diff --git a/internal/app/networkd/pkg/networkd/misc.go b/internal/app/networkd/pkg/networkd/misc.go
index cf6210aa9..2c39afedf 100644
--- a/internal/app/networkd/pkg/networkd/misc.go
+++ b/internal/app/networkd/pkg/networkd/misc.go
@@ -12,6 +12,8 @@ import (
 	"net"
 	"strings"
 	"text/template"
+
+	talosnet "github.com/talos-systems/talos/pkg/net"
 )
 
 // filterInterfaceByName filters network links by name so we only mange links
@@ -49,6 +51,14 @@ func writeResolvConf(resolvers []string) (err error) {
 		}
 	}
 
+	if domain, err := talosnet.DomainName(); err == nil {
+		if domain != "" {
+			if _, err = resolvconf.WriteString(fmt.Sprintf("search %s\n", domain)); err != nil {
+				return fmt.Errorf("failed to add domain search line to resolvconf: %s", err)
+			}
+		}
+	}
+
 	log.Println("writing resolvconf")
 
 	return ioutil.WriteFile("/etc/resolv.conf", []byte(resolvconf.String()), 0644)