diff --git a/man/iodine.8 b/man/iodine.8
index 552f539..b1e8815 100644
--- a/man/iodine.8
+++ b/man/iodine.8
@@ -271,10 +271,12 @@ automatically fragmented when needed.
 .B -l listen_ip4
 Make the server listen only on 'listen_ip4' for incoming IPv4 requests.
 By default, incoming requests are accepted from all interfaces (0.0.0.0).
+A domain name can be used as argument - use one with only one A record.
 .TP
 .B -L listen_ip6
 Make the server listen only on 'listen_ip6' for incoming IPv6 requests.
-By default, incoming requests are accepted from all interfaces (::)
+By default, incoming requests are accepted from all interfaces (::).
+A domain name can be used as argument - use one with only one AAAA record.
 .TP
 .B -p port
 Make the server listen on 'port' instead of 53 for traffic.
diff --git a/src/iodined.c b/src/iodined.c
index d8878bd..f27da86 100644
--- a/src/iodined.c
+++ b/src/iodined.c
@@ -2578,14 +2578,14 @@ main(int argc, char **argv)
 		foreground = 1;
 	}
 	if (addrfamily == AF_UNSPEC || addrfamily == AF_INET) {
-		dns4addr_len = get_addr(listen_ip4, port, AF_INET, AI_PASSIVE | AI_NUMERICHOST, &dns4addr);
+		dns4addr_len = get_addr(listen_ip4, port, AF_INET, AI_PASSIVE, &dns4addr);
 		if (dns4addr_len < 0) {
 			warnx("Bad IPv4 address to listen on.");
 			usage();
 		}
 	}
 	if (addrfamily == AF_UNSPEC || addrfamily == AF_INET6) {
-		dns6addr_len = get_addr(listen_ip6, port, AF_INET6, AI_PASSIVE | AI_NUMERICHOST, &dns6addr);
+		dns6addr_len = get_addr(listen_ip6, port, AF_INET6, AI_PASSIVE, &dns6addr);
 		if (dns6addr_len < 0) {
 			warnx("Bad IPv6 address to listen on.");
 			usage();