diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index 9ec5045b5f..c01633367d 100644
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -2959,10 +2959,9 @@ static struct iax2_peer *realtime_peer(const char *peername, struct sockaddr_in
 		if (var && sin) {
 			for (tmp = var; tmp; tmp = tmp->next) {
 				if (!strcasecmp(tmp->name, "host")) {
-					struct in_addr sin2;
-					struct ast_dnsmgr_entry *dnsmgr = NULL;
-					memset(&sin2, 0, sizeof(sin2));
-					if ((ast_dnsmgr_lookup(tmp->value, &sin2, &dnsmgr) < 0) || (memcmp(&sin2, &sin->sin_addr, sizeof(sin2)) != 0)) {
+					struct ast_hostent ahp;
+					struct hostent *hp;
+					if (!(hp = ast_gethostbyname(tmp->value, &ahp)) || (memcmp(&hp->h_addr, &sin->sin_addr, sizeof(hp->h_addr)))) {
 						/* No match */
 						ast_variables_destroy(var);
 						var = NULL;
@@ -3072,10 +3071,9 @@ static struct iax2_user *realtime_user(const char *username, struct sockaddr_in
 		if (var) {
 			for (tmp = var; tmp; tmp = tmp->next) {
 				if (!strcasecmp(tmp->name, "host")) {
-					struct in_addr sin2;
-					struct ast_dnsmgr_entry *dnsmgr = NULL;
-					memset(&sin2, 0, sizeof(sin2));
-					if ((ast_dnsmgr_lookup(tmp->value, &sin2, &dnsmgr) < 0) || (memcmp(&sin2, &sin->sin_addr, sizeof(sin2)) != 0)) {
+					struct ast_hostent ahp;
+					struct hostent *hp;
+					if (!(hp = ast_gethostbyname(tmp->value, &ahp)) || (memcmp(&hp->h_addr, &sin->sin_addr, sizeof(hp->h_addr)))) {
 						/* No match */
 						ast_variables_destroy(var);
 						var = NULL;
diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 512cab3ceb..040ef81a36 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -3578,10 +3578,9 @@ static struct sip_peer *realtime_peer(const char *newpeername, struct sockaddr_i
 			if (var) {
 				for (tmp = var; tmp; tmp = tmp->next) {
 					if (!strcasecmp(var->name, "host")) {
-						struct in_addr sin2;
-						struct ast_dnsmgr_entry *dnsmgr = NULL;
-						memset(&sin2, 0, sizeof(sin2));
-						if ((ast_dnsmgr_lookup(tmp->value, &sin2, &dnsmgr) < 0) || (memcmp(&sin2, &sin->sin_addr, sizeof(sin2)) != 0)) {
+						struct hostent *hp;
+						struct ast_hostent ahp;
+						if (!(hp = ast_gethostbyname(tmp->value, &ahp)) || (memcmp(&hp->h_addr, &sin->sin_addr, sizeof(hp->h_addr)))) {
 							/* No match */
 							ast_variables_destroy(var);
 							var = NULL;