diff --git a/doc/configuration.txt b/doc/configuration.txt
index bfeb3ce0e..f46743875 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -11693,6 +11693,10 @@ For example, with 2 name servers configured in a resolvers section:
  - first response is truncated and second one is a NX Domain, then HAProxy
    stops resolution.
 
+As a DNS server may not answer all the IPs in one DNS request, haproxy keeps
+a cache of previous answers, an answer will be considered obsolete after
+"hold obsolete" seconds without the IP returned.
+
 
 resolvers <resolvers id>
   Creates a new name server list labelled <resolvers id>
@@ -11709,7 +11713,7 @@ hold <status> <period>
   Defines <period> during which the last name resolution should be kept based
   on last resolution <status>
     <status> : last name resolution status. Acceptable values are "nx",
-               "other", "refused", "timeout", "valid".
+               "other", "refused", "timeout", "valid", "obsolete".
     <period> : interval between two successive name resolution when the last
                answer was in <status>. It follows the HAProxy time format.
                <period> is in milliseconds by default.
@@ -11756,6 +11760,7 @@ timeout <event> <time>
      hold nx              30s
      hold timeout         30s
      hold valid           10s
+     hold obsolete        30s
 
 
 6. HTTP header manipulation
diff --git a/include/proto/server.h b/include/proto/server.h
index 43e4e4251..c4f8e1d50 100644
--- a/include/proto/server.h
+++ b/include/proto/server.h
@@ -52,7 +52,7 @@ int srv_init_addr(void);
 struct server *cli_find_server(struct appctx *appctx, char *arg);
 
 /* functions related to server name resolution */
-int snr_update_srv_status(struct server *s);
+int snr_update_srv_status(struct server *s, int has_no_ip);
 int snr_resolution_cb(struct dns_requester *requester, struct dns_nameserver *nameserver);
 int snr_resolution_error_cb(struct dns_requester *requester, int error_code);
 struct server *snr_check_ip_callback(struct server *srv, void *ip, unsigned char *ip_family);
diff --git a/include/types/dns.h b/include/types/dns.h
index 7a19aa374..12c11552f 100644
--- a/include/types/dns.h
+++ b/include/types/dns.h
@@ -113,7 +113,7 @@ struct dns_query_item {
 /* NOTE: big endian structure */
 struct dns_answer_item {
 	struct list list;
-	char *name;				/* answer name
+	char name[DNS_MAX_NAME_SIZE];		/* answer name
 						 * For SRV type, name also includes service
 						 * and protocol value */
 	int16_t type;				/* question type */
@@ -124,7 +124,8 @@ struct dns_answer_item {
 	int16_t port;				/* SRV type port */
 	int16_t data_len;			/* number of bytes in target below */
 	struct sockaddr address;		/* IPv4 or IPv6, network format */
-	char *target;				/* Response data: SRV or CNAME type target */
+	char target[DNS_MAX_NAME_SIZE];		/* Response data: SRV or CNAME type target */
+	time_t last_seen;			/* When was the answer was last seen */
 };
 
 struct dns_response_packet {
@@ -158,6 +159,7 @@ struct dns_resolvers {
 		int timeout;            /*   no answer was delivered */
 		int refused;            /*   dns server refused to answer */
 		int other;              /*   other dns response errors */
+		int obsolete;		/*   an answer hasn't been seen */
 	} hold;
 	struct task *t;			/* timeout management */
 	int resolution_pool_size;	/* size of the resolution pool associated to this resolvers section */
@@ -252,8 +254,6 @@ struct dns_resolution {
 	unsigned long long revision;    /* updated for each update */
 	struct dns_response_packet response;	/* structure hosting the DNS response */
 	struct dns_query_item response_query_records[DNS_MAX_QUERY_RECORDS];		/* <response> query records */
-	struct dns_answer_item response_answer_records[DNS_MAX_ANSWER_RECORDS];	/* <response> answer records */
-	struct chunk response_buffer;	/* buffer used as a data store for <response> above TODO: optimize the size (might be smaller) */
 };
 
 /*
@@ -315,6 +315,7 @@ enum {
 	DNS_UPD_CNAME,			/* CNAME without any IP provided in the response */
 	DNS_UPD_NAME_ERROR,		/* name in the response did not match the query */
 	DNS_UPD_NO_IP_FOUND,		/* no IP could be found in the response */
+	DNS_UPD_OBSOLETE_IP,		/* The server IP was obsolete, and no other IP was found */
 };
 
 #endif /* _TYPES_DNS_H */
diff --git a/src/cfgparse.c b/src/cfgparse.c
index 8b6aec6a4..e29ae53da 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -2167,6 +2167,7 @@ int cfg_parse_resolvers(const char *file, int linenum, char **args, int kwm)
 		curr_resolvers->hold.other = 30000;
 		curr_resolvers->hold.refused = 30000;
 		curr_resolvers->hold.timeout = 30000;
+		curr_resolvers->hold.obsolete = 30000;
 		/* default hold period for valid is 10s */
 		curr_resolvers->hold.valid = 10000;
 		curr_resolvers->timeout.retry = 1000;
@@ -2280,8 +2281,10 @@ int cfg_parse_resolvers(const char *file, int linenum, char **args, int kwm)
 			curr_resolvers->hold.timeout = time;
 		else if (strcmp(args[1], "valid") == 0)
 			curr_resolvers->hold.valid = time;
+		else if (strcmp(args[1], "obsolete") == 0)
+			curr_resolvers->hold.obsolete = time;
 		else {
-			Alert("parsing [%s:%d] : '%s' unknown <event>: '%s', expects either 'nx', 'timeout', 'valid', or 'other'.\n",
+			Alert("parsing [%s:%d] : '%s' unknown <event>: '%s', expects either 'nx', 'timeout', 'valid', 'obsolete' or 'other'.\n",
 				file, linenum, args[0], args[1]);
 			err_code |= ERR_ALERT | ERR_FATAL;
 			goto out;
diff --git a/src/dns.c b/src/dns.c
index 221f87099..0ce63c910 100644
--- a/src/dns.c
+++ b/src/dns.c
@@ -51,6 +51,8 @@ static int64_t dns_query_id_seed;	/* random seed */
 static struct lru64_head *dns_lru_tree;
 static int dns_cache_size = 1024;       /* arbitrary DNS cache size */
 
+static struct pool_head *dns_answer_item_pool;
+
 /* proto_udp callback functions for a DNS resolution */
 struct dgram_data_cb resolve_dgram_cb = {
 	.recv = dns_resolve_recv,
@@ -169,6 +171,7 @@ int dns_trigger_resolution(struct dns_resolution *resolution)
 			}
 
 			requester->requester_cb(requester, NULL);
+			resolvers = NULL;
 		}
 		else {
 			LIST_DEL(&requester->list);
@@ -306,6 +309,12 @@ void dns_reset_resolution(struct dns_resolution *resolution)
 	resolution->qid.key = 0;
 }
 
+static inline void free_dns_answer_item(struct dns_answer_item *item)
+{
+	pool_free2(dns_answer_item_pool, item);
+}
+
+
 /*
  * function called when a network IO is generated on a name server socket for an incoming packet
  * It performs the following actions:
@@ -327,6 +336,7 @@ void dns_resolve_recv(struct dgram_conn *dgram)
 	struct eb32_node *eb;
 	struct lru64 *lru = NULL;
 	struct dns_requester *requester = NULL, *tmprequester = NULL;
+	struct dns_answer_item *item1, *item2 = NULL;
 
 	fd = dgram->t.sock.fd;
 
@@ -468,6 +478,15 @@ void dns_resolve_recv(struct dgram_conn *dgram)
 				break;
 		}
 
+		/* Check for any obsolete record */
+		list_for_each_entry_safe(item1, item2, &resolution->response.answer_list,
+		    list) {
+			if (item1->last_seen + nameserver->resolvers->hold.obsolete / 1000 < now.tv_sec) {
+				LIST_DEL(&item1->list);
+				free_dns_answer_item(item1);
+			}
+		}
+
 		/* some error codes trigger a re-send of the query, but switching the
 		 * query type.
 		 * This is the case for the following error codes:
@@ -885,13 +904,13 @@ int dns_validate_dns_response(unsigned char *resp, unsigned char *bufend, struct
 {
 	unsigned char *reader;
 	char *previous_dname, tmpname[DNS_MAX_NAME_SIZE];
-	int len, flags, offset, ret;
-	int dns_query_record_id, dns_answer_record_id;
+	int len, flags, offset;
+	int dns_query_record_id;
 	int nb_saved_records;
 	struct dns_query_item *dns_query;
-	struct dns_answer_item *dns_answer_record;
+	struct dns_answer_item *dns_answer_record, *tmp_record;
 	struct dns_response_packet *dns_p;
-	struct chunk *dns_response_buffer;
+	int found = 0;
 
 	reader = resp;
 	len = 0;
@@ -899,9 +918,6 @@ int dns_validate_dns_response(unsigned char *resp, unsigned char *bufend, struct
 
 	/* initialization of response buffer and structure */
 	dns_p = &resolution->response;
-	dns_response_buffer = &resolution->response_buffer;
-	memset(dns_p, '\0', sizeof(struct dns_response_packet));
-	chunk_reset(dns_response_buffer);
 
 	/* query id */
 	if (reader + 2 >= bufend)
@@ -1011,30 +1027,29 @@ int dns_validate_dns_response(unsigned char *resp, unsigned char *bufend, struct
 	}
 
 	/* now parsing response records */
-	LIST_INIT(&dns_p->answer_list);
 	nb_saved_records = 0;
-	for (dns_answer_record_id = 0; dns_answer_record_id < dns_p->header.ancount; dns_answer_record_id++) {
+	for (int i = 0; i < dns_p->header.ancount; i++) {
 		if (reader >= bufend)
 			return DNS_RESP_INVALID;
 
-		/* pull next response record from the list, if still one available, then add it
-		 * to the record list */
-		if (dns_answer_record_id > DNS_MAX_ANSWER_RECORDS)
-			return DNS_RESP_INVALID;
-		dns_answer_record = &resolution->response_answer_records[dns_answer_record_id];
-		LIST_ADDQ(&dns_p->answer_list, &dns_answer_record->list);
+		dns_answer_record = pool_alloc2(dns_answer_item_pool);
+		if (dns_answer_record == NULL)
+			return (DNS_RESP_INVALID);
 
 		offset = 0;
 		len = dns_read_name(resp, bufend, reader, tmpname, DNS_MAX_NAME_SIZE, &offset);
 
-		if (len == 0)
+		if (len == 0) {
+			free_dns_answer_item(dns_answer_record);
 			return DNS_RESP_INVALID;
+		}
 
 		/* check if the current record dname is valid.
 		 * previous_dname points either to queried dname or last CNAME target
 		 */
 		if (memcmp(previous_dname, tmpname, len) != 0) {
-			if (dns_answer_record_id == 0) {
+			free_dns_answer_item(dns_answer_record);
+			if (i == 0) {
 				/* first record, means a mismatch issue between queried dname
 				 * and dname found in the first record */
 				return DNS_RESP_INVALID;
@@ -1046,43 +1061,50 @@ int dns_validate_dns_response(unsigned char *resp, unsigned char *bufend, struct
 
 		}
 
-		dns_answer_record->name = chunk_newstr(dns_response_buffer);
-		if (dns_answer_record->name == NULL)
-			return DNS_RESP_INVALID;
-
-		ret = chunk_strncat(dns_response_buffer, tmpname, len);
-		if (ret == 0)
-			return DNS_RESP_INVALID;
+		memcpy(dns_answer_record->name, tmpname, len);
+		dns_answer_record->name[len] = 0;
 
 		reader += offset;
-		if (reader >= bufend)
+		if (reader >= bufend) {
+			free_dns_answer_item(dns_answer_record);
 			return DNS_RESP_INVALID;
+		}
 
-		if (reader >= bufend)
+		if (reader >= bufend) {
+			free_dns_answer_item(dns_answer_record);
 			return DNS_RESP_INVALID;
+		}
 
 		/* 2 bytes for record type (A, AAAA, CNAME, etc...) */
-		if (reader + 2 > bufend)
+		if (reader + 2 > bufend) {
+			free_dns_answer_item(dns_answer_record);
 			return DNS_RESP_INVALID;
+		}
 		dns_answer_record->type = reader[0] * 256 + reader[1];
 		reader += 2;
 
 		/* 2 bytes for class (2) */
-		if (reader + 2 > bufend)
+		if (reader + 2 > bufend) {
+			free_dns_answer_item(dns_answer_record);
 			return DNS_RESP_INVALID;
+		}
 		dns_answer_record->class = reader[0] * 256 + reader[1];
 		reader += 2;
 
 		/* 4 bytes for ttl (4) */
-		if (reader + 4 > bufend)
+		if (reader + 4 > bufend) {
+			free_dns_answer_item(dns_answer_record);
 			return DNS_RESP_INVALID;
+		}
 		dns_answer_record->ttl =   reader[0] * 16777216 + reader[1] * 65536
 			                 + reader[2] * 256 + reader[3];
 		reader += 4;
 
 		/* now reading data len */
-		if (reader + 2 > bufend)
+		if (reader + 2 > bufend) {
+			free_dns_answer_item(dns_answer_record);
 			return DNS_RESP_INVALID;
+		}
 		dns_answer_record->data_len = reader[0] * 256 + reader[1];
 
 		/* move forward 2 bytes for data len */
@@ -1092,8 +1114,10 @@ int dns_validate_dns_response(unsigned char *resp, unsigned char *bufend, struct
 		switch (dns_answer_record->type) {
 			case DNS_RTYPE_A:
 				/* ipv4 is stored on 4 bytes */
-				if (dns_answer_record->data_len != 4)
+				if (dns_answer_record->data_len != 4) {
+					free_dns_answer_item(dns_answer_record);
 					return DNS_RESP_INVALID;
+				}
 				dns_answer_record->address.sa_family = AF_INET;
 				memcpy(&(((struct sockaddr_in *)&dns_answer_record->address)->sin_addr),
 						reader, dns_answer_record->data_len);
@@ -1107,22 +1131,21 @@ int dns_validate_dns_response(unsigned char *resp, unsigned char *bufend, struct
 				 * + 1 because dns_answer_record_id starts at 0 while number of answers
 				 * is an integer and starts at 1.
 				 */
-				if (dns_answer_record_id + 1 == dns_p->header.ancount)
+				if (i + 1 == dns_p->header.ancount) {
+					free_dns_answer_item(dns_answer_record);
 					return DNS_RESP_CNAME_ERROR;
+				}
 
 				offset = 0;
 				len = dns_read_name(resp, bufend, reader, tmpname, DNS_MAX_NAME_SIZE, &offset);
 
-				if (len == 0)
+				if (len == 0) {
+					free_dns_answer_item(dns_answer_record);
 					return DNS_RESP_INVALID;
+				}
 
-				dns_answer_record->target = chunk_newstr(dns_response_buffer);
-				if (dns_answer_record->target == NULL)
-					return DNS_RESP_INVALID;
-
-				ret = chunk_strncat(dns_response_buffer, tmpname, len);
-				if (ret == 0)
-					return DNS_RESP_INVALID;
+				memcpy(dns_answer_record->target, tmpname, len);
+				dns_answer_record->target[len] = 0;
 
 				previous_dname = dns_answer_record->target;
 
@@ -1130,8 +1153,10 @@ int dns_validate_dns_response(unsigned char *resp, unsigned char *bufend, struct
 
 			case DNS_RTYPE_AAAA:
 				/* ipv6 is stored on 16 bytes */
-				if (dns_answer_record->data_len != 16)
+				if (dns_answer_record->data_len != 16) {
+					free_dns_answer_item(dns_answer_record);
 					return DNS_RESP_INVALID;
+				}
 				dns_answer_record->address.sa_family = AF_INET6;
 				memcpy(&(((struct sockaddr_in6 *)&dns_answer_record->address)->sin6_addr),
 						reader, dns_answer_record->data_len);
@@ -1144,12 +1169,39 @@ int dns_validate_dns_response(unsigned char *resp, unsigned char *bufend, struct
 
 		/* move forward dns_answer_record->data_len for analyzing next record in the response */
 		reader += dns_answer_record->data_len;
+
+		/* Lookup to see if we already had this entry */
+
+		list_for_each_entry(tmp_record, &dns_p->answer_list, list) {
+			if (tmp_record->type != dns_answer_record->type)
+				continue;
+			switch (tmp_record->type) {
+			case DNS_RTYPE_A:
+				if (!memcmp(&((struct sockaddr_in *)&dns_answer_record->address)->sin_addr,
+				    &((struct sockaddr_in *)&tmp_record->address)->sin_addr, sizeof(in_addr_t)))
+					found = 1;
+				break;
+			case DNS_RTYPE_AAAA:
+				if (!memcmp(&((struct sockaddr_in6 *)&dns_answer_record->address)->sin6_addr,
+				    &((struct sockaddr_in6 *)&tmp_record->address)->sin6_addr, sizeof(struct in6_addr)))
+					found = 1;
+				break;
+			default:
+				break;
+			}
+			if (found == 1)
+				break;
+		}
+		if (found == 1) {
+			tmp_record->last_seen = now.tv_sec;
+			free_dns_answer_item(dns_answer_record);
+		} else {
+			dns_answer_record->last_seen = now.tv_sec;
+			LIST_ADDQ(&dns_p->answer_list, &dns_answer_record->list);
+		}
+
 	} /* for i 0 to ancount */
 
-	/* let's add a last \0 to close our last string */
-	ret = chunk_strncat(dns_response_buffer, "\0", 1);
-	if (ret == 0)
-		return DNS_RESP_INVALID;
 
 	/* save the number of records we really own */
 	dns_p->header.ancount = nb_saved_records;
@@ -1175,51 +1227,17 @@ int dns_get_ip_from_response(struct dns_response_packet *dns_p,
 {
 	struct dns_answer_item *record;
 	int family_priority;
-	int i, currentip_found;
+	int currentip_found;
 	unsigned char *newip4, *newip6;
-	struct {
-		void *ip;
-		unsigned char type;
-	} rec[DNS_MAX_IP_REC];
 	int currentip_sel;
 	int j;
-	int rec_nb = 0;
 	int score, max_score;
 
 	family_priority = dns_opts->family_prio;
 	*newip = newip4 = newip6 = NULL;
 	currentip_found = 0;
 	*newip_sin_family = AF_UNSPEC;
-
-	/* now parsing response records */
-	list_for_each_entry(record, &dns_p->answer_list, list) {
-		/* analyzing record content */
-		switch (record->type) {
-			case DNS_RTYPE_A:
-				/* Store IPv4, only if some room is avalaible. */
-				if (rec_nb < DNS_MAX_IP_REC) {
-					rec[rec_nb].ip = &(((struct sockaddr_in *)&record->address)->sin_addr);
-					rec[rec_nb].type = AF_INET;
-					rec_nb++;
-				}
-				break;
-
-			/* we're looking for IPs only. CNAME validation is done when
-			 * parsing the response buffer for the first time */
-			case DNS_RTYPE_CNAME:
-				break;
-
-			case DNS_RTYPE_AAAA:
-				/* Store IPv6, only if some room is avalaible. */
-				if (rec_nb < DNS_MAX_IP_REC) {
-					rec[rec_nb].ip = &(((struct sockaddr_in6 *)&record->address)->sin6_addr);
-					rec[rec_nb].type = AF_INET6;
-					rec_nb++;
-				}
-				break;
-
-		} /* switch (record type) */
-	} /* list for each record entries */
+	max_score = -1;
 
 	/* Select an IP regarding configuration preference.
 	 * Top priority is the prefered network ip version,
@@ -1234,29 +1252,38 @@ int dns_get_ip_from_response(struct dns_response_packet *dns_p,
 	 *  1 - current ip.
 	 * The result with the biggest score is returned.
 	 */
-	max_score = -1;
-	for (i = 0; i < rec_nb; i++) {
-		int record_ip_already_affected = 0;
 
+	list_for_each_entry(record, &dns_p->answer_list, list) {
+		void *ip;
+		unsigned char ip_type;
+
+		if (record->type == DNS_RTYPE_A) {
+			ip = &(((struct sockaddr_in *)&record->address)->sin_addr);
+			ip_type = AF_INET;
+		} else if (record->type == DNS_RTYPE_AAAA) {
+			ip_type = AF_INET6;
+			ip = &(((struct sockaddr_in6 *)&record->address)->sin6_addr);
+		} else
+			continue;
 		score = 0;
 
 		/* Check for prefered ip protocol. */
-		if (rec[i].type == family_priority)
+		if (ip_type == family_priority)
 			score += 8;
 
 		/* Check for prefered network. */
 		for (j = 0; j < dns_opts->pref_net_nb; j++) {
 
 			/* Compare only the same adresses class. */
-			if (dns_opts->pref_net[j].family != rec[i].type)
+			if (dns_opts->pref_net[j].family != ip_type)
 				continue;
 
-			if ((rec[i].type == AF_INET &&
-			     in_net_ipv4(rec[i].ip,
+			if ((ip_type == AF_INET &&
+			     in_net_ipv4(ip,
 			                 &dns_opts->pref_net[j].mask.in4,
 			                 &dns_opts->pref_net[j].addr.in4)) ||
-			    (rec[i].type == AF_INET6 &&
-			     in_net_ipv6(rec[i].ip,
+			    (ip_type == AF_INET6 &&
+			     in_net_ipv6(ip,
 			                 &dns_opts->pref_net[j].mask.in6,
 			                 &dns_opts->pref_net[j].addr.in6))) {
 				score += 4;
@@ -1268,18 +1295,17 @@ int dns_get_ip_from_response(struct dns_response_packet *dns_p,
 		 * If yes, the score should be incremented by 2.
 		 */
 		if (owner) {
-			if (snr_check_ip_callback(owner, rec[i].ip, &rec[i].type))
-				record_ip_already_affected = 1;
+			if (snr_check_ip_callback(owner, ip, &ip_type))
+			{
+				continue;
+			}
 		}
-		if (record_ip_already_affected == 0)
-			score += 2;
-
 		/* Check for current ip matching. */
-		if (rec[i].type == currentip_sin_family &&
+		if (ip_type == currentip_sin_family &&
 		    ((currentip_sin_family == AF_INET &&
-		      memcmp(rec[i].ip, currentip, 4) == 0) ||
+		      memcmp(ip, currentip, 4) == 0) ||
 		     (currentip_sin_family == AF_INET6 &&
-		      memcmp(rec[i].ip, currentip, 16) == 0))) {
+		      memcmp(ip, currentip, 16) == 0))) {
 			score += 1;
 			currentip_sel = 1;
 		} else
@@ -1292,21 +1318,22 @@ int dns_get_ip_from_response(struct dns_response_packet *dns_p,
 		 * the ip selected is the current ip.
 		 */
 		if (score > max_score) {
-			if (rec[i].type == AF_INET)
-				newip4 = rec[i].ip;
+			if (ip_type == AF_INET)
+				newip4 = ip;
 			else
-				newip6 = rec[i].ip;
+				newip6 = ip;
 			currentip_found = currentip_sel;
 			if (score == 15)
 				return DNS_UPD_NO;
 			max_score = score;
 		}
-	}
+
+
+	} /* list for each record entries */
 
 	/* no IP found in the response */
-	if (!newip4 && !newip6) {
+	if (!newip4 && !newip6)
 		return DNS_UPD_NO_IP_FOUND;
-	}
 
 	/* case when the caller looks first for an IPv4 address */
 	if (family_priority == AF_INET) {
@@ -1410,6 +1437,14 @@ int dns_init_resolvers(int close_socket)
 	/* give a first random value to our dns query_id seed */
 	dns_query_id_seed = random();
 
+	/* Initialize the answer items pool */
+	dns_answer_item_pool = create_pool("dns_answer_item",
+	    sizeof(struct dns_answer_item), MEM_F_SHARED);
+	if (dns_answer_item_pool == NULL) {
+		Alert("Failed to create the dns answer items pool");
+		return 0;
+	}
+
 	/* run through the resolvers section list */
 	list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
 		/* create the task associated to the resolvers section */
@@ -1442,6 +1477,7 @@ int dns_init_resolvers(int close_socket)
 
 			/* allocate memory only if it has not already been allocated
 			 * by a previous call to this function */
+
 			if (!dgram && (dgram = calloc(1, sizeof(*dgram))) == NULL) {
 				Alert("Starting [%s/%s] nameserver: out of memory.\n", curr_resolvers->id,
 						curnameserver->id);
@@ -2081,6 +2117,7 @@ int dns_link_resolution(void *requester, int requester_type, struct dns_resoluti
 		tmpresolution->status = RSLV_STATUS_NONE;
 		tmpresolution->step = RSLV_STEP_NONE;
 		tmpresolution->revision = 1;
+		LIST_INIT(&tmpresolution->response.answer_list);
 	}
 
 	/* add the requester to the resolution's wait queue */
@@ -2170,7 +2207,6 @@ struct dns_resolution *dns_alloc_resolution(void)
 		return NULL;
 	}
 
-	chunk_init(&resolution->response_buffer, buffer, global.tune.bufsize);
 	LIST_INIT(&resolution->requester.wait);
 	LIST_INIT(&resolution->requester.curr);
 
@@ -2180,7 +2216,6 @@ struct dns_resolution *dns_alloc_resolution(void)
 /* This function free the memory allocated to a DNS resolution */
 void dns_free_resolution(struct dns_resolution *resolution)
 {
-	chunk_destroy(&resolution->response_buffer);
 	free(resolution);
 
 	return;
diff --git a/src/server.c b/src/server.c
index f457d5550..ef62a63fc 100644
--- a/src/server.c
+++ b/src/server.c
@@ -3756,7 +3756,7 @@ const char *update_server_addr_port(struct server *s, const char *addr, const ch
  *  0 if server status is updated
  *  1 if server status has not changed
  */
-int snr_update_srv_status(struct server *s)
+int snr_update_srv_status(struct server *s, int has_no_ip)
 {
 	struct dns_resolution *resolution = s->resolution;
 	struct dns_resolvers *resolvers = s->resolvers;
@@ -3772,6 +3772,13 @@ int snr_update_srv_status(struct server *s)
 			 * resume health checks
 			 * server will be turned back on if health check is safe
 			 */
+			if (has_no_ip) {
+				if (s->admin & SRV_ADMF_RMAINT)
+					return 1;
+				srv_set_admin_flag(s, SRV_ADMF_RMAINT,
+				    "No IP for server ");
+				return (0);
+			}
 			if (!(s->admin & SRV_ADMF_RMAINT))
 				return 1;
 			srv_clr_admin_flag(s, SRV_ADMF_RMAINT);
@@ -3847,6 +3854,7 @@ int snr_resolution_cb(struct dns_requester *requester, struct dns_nameserver *na
 	short server_sin_family, firstip_sin_family;
 	int ret;
 	struct chunk *chk = get_trash_chunk();
+	int has_no_ip = 0;
 
 	s = objt_server(requester->requester);
 	if (!s)
@@ -3893,10 +3901,7 @@ int snr_resolution_cb(struct dns_requester *requester, struct dns_nameserver *na
 			goto invalid;
 
 		case DNS_UPD_NO_IP_FOUND:
-			if (resolution->status != RSLV_STATUS_OTHER) {
-				resolution->status = RSLV_STATUS_OTHER;
-				resolution->last_status_change = now_ms;
-			}
+			has_no_ip = 1;
 			goto update_status;
 
 		case DNS_UPD_NAME_ERROR:
@@ -3927,7 +3932,7 @@ int snr_resolution_cb(struct dns_requester *requester, struct dns_nameserver *na
 	update_server_addr(s, firstip, firstip_sin_family, (char *)chk->str);
 
  update_status:
-	snr_update_srv_status(s);
+	snr_update_srv_status(s, has_no_ip);
 	return 1;
 
  invalid:
@@ -3936,7 +3941,7 @@ int snr_resolution_cb(struct dns_requester *requester, struct dns_nameserver *na
 	if (resolution->nb_responses >= nameserver->resolvers->count_nameservers)
 		goto update_status;
 
-	snr_update_srv_status(s);
+	snr_update_srv_status(s, has_no_ip);
 	return 0;
 }
 
@@ -3964,16 +3969,15 @@ int snr_resolution_error_cb(struct dns_requester *requester, int error_code)
 		return 1;
 	}
 
-	snr_update_srv_status(s);
+	snr_update_srv_status(s, 0);
 	return 1;
 }
 
 /*
  * Function to check if <ip> is already affected to a server in the backend
- * which owns <srv>.
+ * which owns <srv> and is up.
  * It returns a pointer to the first server found or NULL if <ip> is not yet
  * assigned.
- * NOTE: <ip> and <ip_family> are provided by a 'struct rec' available in dns.c.
  */
 struct server *snr_check_ip_callback(struct server *srv, void *ip, unsigned char *ip_family)
 {
@@ -3998,6 +4002,10 @@ struct server *snr_check_ip_callback(struct server *srv, void *ip, unsigned char
 		    (srv->puid == tmpsrv->puid))
 			continue;
 
+		/* If the server has been taken down, don't consider it */
+		if (tmpsrv->admin & SRV_ADMF_RMAINT)
+			continue;
+
 		/* At this point, we have 2 different servers using the same DNS hostname
 		 * for their respective resolution.
 		 */