diff --git a/interface/web/dns/form/dns_soa.tform.php b/interface/web/dns/form/dns_soa.tform.php
index 9599f4c8b38ecc9c682b2a72e73702373721eb97..fb5b04a0c42c343cf531f2f4aa0282a86fe5f032 100644
--- a/interface/web/dns/form/dns_soa.tform.php
+++ b/interface/web/dns/form/dns_soa.tform.php
@@ -175,6 +175,10 @@ $form["tabs"]['dns_soa'] = array (
 		'also_notify' => array (
 			'datatype'	=> 'VARCHAR',
 			'formtype'	=> 'TEXT',
+			'validators'    => array (  0 => array (    'type'  => 'ISIPV4',
+														'errmsg'=> 'also_notify_error_regex'
+													),
+									),
 			'default'	=> '',
 			'value'		=> '',
 			'width'		=> '30',
diff --git a/interface/web/dns/lib/lang/ar_dns_soa.lng b/interface/web/dns/lib/lang/ar_dns_soa.lng
index e63ffb70f668497a316be0e77dd408874502ca93..4edef4e1a3bb4fb64b948873c8d5b615d5a38e4c 100644
--- a/interface/web/dns/lib/lang/ar_dns_soa.lng
+++ b/interface/web/dns/lib/lang/ar_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'NS has a invalid format.';
 $wb['mbox_error_empty'] = 'Email is empty.';
 $wb['mbox_error_regex'] = 'Email format invalid.';
 $wb['also_notify_txt'] = 'Also Notify';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Update ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/bg_dns_soa.lng b/interface/web/dns/lib/lang/bg_dns_soa.lng
index e63ffb70f668497a316be0e77dd408874502ca93..4edef4e1a3bb4fb64b948873c8d5b615d5a38e4c 100644
--- a/interface/web/dns/lib/lang/bg_dns_soa.lng
+++ b/interface/web/dns/lib/lang/bg_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'NS has a invalid format.';
 $wb['mbox_error_empty'] = 'Email is empty.';
 $wb['mbox_error_regex'] = 'Email format invalid.';
 $wb['also_notify_txt'] = 'Also Notify';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Update ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/br_dns_soa.lng b/interface/web/dns/lib/lang/br_dns_soa.lng
index abc5ab574f630f1b9f5df9c082de2a0cfedfcfe5..a0d2bb56dc9816626621367748827c01eb987a60 100644
--- a/interface/web/dns/lib/lang/br_dns_soa.lng
+++ b/interface/web/dns/lib/lang/br_dns_soa.lng
@@ -22,6 +22,7 @@ $wb['ns_error_regex'] = 'NS tem um formato inválido.';
 $wb['mbox_error_empty'] = 'Correio está em branco.';
 $wb['mbox_error_regex'] = 'Correio com formato inválido.';
 $wb['also_notify_txt'] = 'Also Notify';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Atualizar ACL';
 $wb['seconds_txt'] = 'Segundos';
 $wb['eg_domain_tld'] = 'e.x. dominio.ext';
diff --git a/interface/web/dns/lib/lang/cz_dns_soa.lng b/interface/web/dns/lib/lang/cz_dns_soa.lng
index d6019339f0c204e6a0d69fef30dc6342cc7bba75..0accdefd41434db87bda4c00cf2034b0a03e02d2 100644
--- a/interface/web/dns/lib/lang/cz_dns_soa.lng
+++ b/interface/web/dns/lib/lang/cz_dns_soa.lng
@@ -22,6 +22,7 @@ $wb['ns_error_regex'] = 'NS má chybný formát.';
 $wb['mbox_error_empty'] = 'Email je prázdný.';
 $wb['mbox_error_regex'] = 'Email má chybný formát.';
 $wb['also_notify_txt'] = 'Také upozornit';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Aktualizovat ACL';
 $wb['seconds_txt'] = 'vteřin';
 $wb['eg_domain_tld'] = 'např. domena.cz';
diff --git a/interface/web/dns/lib/lang/de_dns_soa.lng b/interface/web/dns/lib/lang/de_dns_soa.lng
index d619a3ccedfa97969b2e71f0de9658027af6d1bb..f07516111167b09d84bbff9fec2f75a6ab67c760 100644
--- a/interface/web/dns/lib/lang/de_dns_soa.lng
+++ b/interface/web/dns/lib/lang/de_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'NS hat ein ungültiges Format.';
 $wb['mbox_error_empty'] = 'Email ist leer.';
 $wb['mbox_error_regex'] = 'Email Format ungültig.';
 $wb['also_notify_txt'] = 'Also Notify';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Update ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/el_dns_soa.lng b/interface/web/dns/lib/lang/el_dns_soa.lng
index e6b5925ee2de3692c05a1625beabf9f92226e9ed..aedecccaaf2324c55cccfc11f39f9cccb5277f1a 100644
--- a/interface/web/dns/lib/lang/el_dns_soa.lng
+++ b/interface/web/dns/lib/lang/el_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'NS με μη έγκυρη μορφοποίηση.';
 $wb['mbox_error_empty'] = 'Το Email δεν έχει οριστεί.';
 $wb['mbox_error_regex'] = 'Email με μη έγκυρη μορφοποίηση.';
 $wb['also_notify_txt'] = 'Also Notify';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Update ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/en_dns_soa.lng b/interface/web/dns/lib/lang/en_dns_soa.lng
index 5211f2f7e9e722056f8c48222e6587c82601c25f..5d45f3409b5aa0ee4633c7e37a17f772a5770e9b 100644
--- a/interface/web/dns/lib/lang/en_dns_soa.lng
+++ b/interface/web/dns/lib/lang/en_dns_soa.lng
@@ -22,6 +22,7 @@ $wb["ns_error_regex"] = 'NS has a invalid format.';
 $wb["mbox_error_empty"] = 'Email is empty.';
 $wb["mbox_error_regex"] = 'Email format invalid.';
 $wb["also_notify_txt"] = 'Also Notify';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb["update_acl_txt"] = 'Update ACL';
 $wb['seconds_txt'] = 'Seconds';
 $wb['eg_domain_tld'] = 'e.g. domain.tld';
diff --git a/interface/web/dns/lib/lang/es_dns_soa.lng b/interface/web/dns/lib/lang/es_dns_soa.lng
index 8db9739000811d5bf4a0e0bc68076fb591e8ff82..9d7dd6a7cffa78fc8ab7210cf0f556525d49ae21 100644
--- a/interface/web/dns/lib/lang/es_dns_soa.lng
+++ b/interface/web/dns/lib/lang/es_dns_soa.lng
@@ -22,5 +22,8 @@ $wb['ns_error_regex'] = 'Formato de NS no válido.';
 $wb['mbox_error_empty'] = 'Correo vacío.';
 $wb['mbox_error_regex'] = 'Formato de correo no válido.';
 $wb['also_notify_txt'] = 'Notificar también a';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Actualizar ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/fi_dns_soa.lng b/interface/web/dns/lib/lang/fi_dns_soa.lng
index f8d1765341d49f876774288f6aa324fd3d59012f..f3401b1f8bf55deca48bd1ab6fb9f865b895d307 100755
--- a/interface/web/dns/lib/lang/fi_dns_soa.lng
+++ b/interface/web/dns/lib/lang/fi_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'Nimipalvelin-kenttä on tyhjä.';
 $wb['mbox_error_empty'] = 'Sähköpostiosoite on tyhjä.';
 $wb['mbox_error_regex'] = 'Sähköpostiosoite on vääränlainen';
 $wb['also_notify_txt'] = 'Läheta ilmoitus';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Päivitä ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/fr_dns_soa.lng b/interface/web/dns/lib/lang/fr_dns_soa.lng
index fb4d1d7379c91fea9f731e1b8ed1c5d2b4029abc..3fc7da589ace1dee734b165cf91b0cfffe9db495 100644
--- a/interface/web/dns/lib/lang/fr_dns_soa.lng
+++ b/interface/web/dns/lib/lang/fr_dns_soa.lng
@@ -22,6 +22,7 @@ $wb['mbox_error_empty'] = "L'adresse e-mail est vide.";
 $wb['mbox_error_regex'] = "L'adresse e-mail est dun format invalide.";
 $wb['limit_dns_zone_txt'] = "Le nombre maximal de zones DNS pour votre compte est atteint.";
 $wb['also_notify_txt'] = "Notifier également";
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = "Mettre à jour ACL";
 ?>
 
diff --git a/interface/web/dns/lib/lang/hu_dns_soa.lng b/interface/web/dns/lib/lang/hu_dns_soa.lng
index bf652267e15554cd7073d4550947f6419d1eaca7..de75bc6806aab906bab0300b2214eb2a912ecf89 100644
--- a/interface/web/dns/lib/lang/hu_dns_soa.lng
+++ b/interface/web/dns/lib/lang/hu_dns_soa.lng
@@ -22,6 +22,7 @@ $wb['ns_error_regex'] = 'NS has a invalid format.';
 $wb['mbox_error_empty'] = 'Email is empty.';
 $wb['mbox_error_regex'] = 'Email format invalid.';
 $wb['also_notify_txt'] = 'Also Notify';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Update ACL';
 $wb['seconds_txt'] = 'Seconds';
 $wb['eg_domain_tld'] = 'e.g. domain.tld';
diff --git a/interface/web/dns/lib/lang/id_dns_soa.lng b/interface/web/dns/lib/lang/id_dns_soa.lng
index 210df1c2d105ab50add0e4829db05af123dd3ddd..b28719e6c72b4cca8ce9f67546babd4c6867254d 100644
--- a/interface/web/dns/lib/lang/id_dns_soa.lng
+++ b/interface/web/dns/lib/lang/id_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'Format NS salah.';
 $wb['mbox_error_empty'] = 'Email kosong.';
 $wb['mbox_error_regex'] = 'Format Email tidak valid.';
 $wb['also_notify_txt'] = 'Notifikasi Juga';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Mutakhirkan ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/it_dns_soa.lng b/interface/web/dns/lib/lang/it_dns_soa.lng
index e63ffb70f668497a316be0e77dd408874502ca93..4edef4e1a3bb4fb64b948873c8d5b615d5a38e4c 100644
--- a/interface/web/dns/lib/lang/it_dns_soa.lng
+++ b/interface/web/dns/lib/lang/it_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'NS has a invalid format.';
 $wb['mbox_error_empty'] = 'Email is empty.';
 $wb['mbox_error_regex'] = 'Email format invalid.';
 $wb['also_notify_txt'] = 'Also Notify';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Update ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/ja_dns_soa.lng b/interface/web/dns/lib/lang/ja_dns_soa.lng
index d00e8afb65129b07d7da35c29679c696b579abf7..84ede704aca989e025d4e2fb719a7acc9c80f5ee 100644
--- a/interface/web/dns/lib/lang/ja_dns_soa.lng
+++ b/interface/web/dns/lib/lang/ja_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'NS が不正な文字を含んでいます。';
 $wb['mbox_error_empty'] = 'メールアドレスを指定してください';
 $wb['mbox_error_regex'] = 'メールアドレスの形式が不正です。';
 $wb['also_notify_txt'] = 'Also Notify';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Update ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/nl_dns_soa.lng b/interface/web/dns/lib/lang/nl_dns_soa.lng
index 5278940a3bd3f5b2c7ae72461757627870a16610..bab77f9ec5ba15c15382c0e8fccde8c0214ab083 100644
--- a/interface/web/dns/lib/lang/nl_dns_soa.lng
+++ b/interface/web/dns/lib/lang/nl_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'NS  heeft een ongeldig format.';
 $wb['mbox_error_empty'] = 'E-mail is niet ingvuld.';
 $wb['mbox_error_regex'] = 'E-mail formaat ongeldig.';
 $wb['also_notify_txt'] = 'ook notifcatie';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Update ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/pl_dns_soa.lng b/interface/web/dns/lib/lang/pl_dns_soa.lng
index a9756a891222e620aef479e869fcb05b5fd64057..9f9054a4b93f581be139a61e8cf41f51b40f7637 100644
--- a/interface/web/dns/lib/lang/pl_dns_soa.lng
+++ b/interface/web/dns/lib/lang/pl_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'NS ma niepoprawny format.';
 $wb['mbox_error_empty'] = 'E-mail jest pusty.';
 $wb['mbox_error_regex'] = 'E-mail ma niepoprawny format.';
 $wb['also_notify_txt'] = 'Także powiadom';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Zaktualizuj ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/pt_dns_soa.lng b/interface/web/dns/lib/lang/pt_dns_soa.lng
index 17a797a839ffb3666d6bbeca8a0ebd1204397583..8ff40fa8c77ec078c8f675e568638ff11dcf57e9 100644
--- a/interface/web/dns/lib/lang/pt_dns_soa.lng
+++ b/interface/web/dns/lib/lang/pt_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'NS tem um formato inválido.';
 $wb['mbox_error_empty'] = 'Correio está em branco.';
 $wb['mbox_error_regex'] = 'Correio com formato inválido.';
 $wb['also_notify_txt'] = 'Also Notify';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Actualizar ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/ro_dns_soa.lng b/interface/web/dns/lib/lang/ro_dns_soa.lng
index a70d730b32354d0fc13f6135cf608b9082195e00..e73e4bc48f522c2de588039c4fa7bed8cfe5f8b4 100644
--- a/interface/web/dns/lib/lang/ro_dns_soa.lng
+++ b/interface/web/dns/lib/lang/ro_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'NS are un format invalid';
 $wb['mbox_error_empty'] = 'Email-ul este gol';
 $wb['mbox_error_regex'] = 'Format email invalid.';
 $wb['also_notify_txt'] = 'Also Notify';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Update ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/ru_dns_soa.lng b/interface/web/dns/lib/lang/ru_dns_soa.lng
index 7723d71c6dd97ee167814dcb2a21afd8a9f148be..d953854b80f1218962f08e3ddc8b291a100641d7 100644
--- a/interface/web/dns/lib/lang/ru_dns_soa.lng
+++ b/interface/web/dns/lib/lang/ru_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'NS имеет неправильный формат.';
 $wb['mbox_error_empty'] = 'Email пуст.';
 $wb['mbox_error_regex'] = 'Email имеет неправильный формат.';
 $wb['also_notify_txt'] = 'Известить';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Обновить ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/se_dns_soa.lng b/interface/web/dns/lib/lang/se_dns_soa.lng
index e63ffb70f668497a316be0e77dd408874502ca93..4edef4e1a3bb4fb64b948873c8d5b615d5a38e4c 100644
--- a/interface/web/dns/lib/lang/se_dns_soa.lng
+++ b/interface/web/dns/lib/lang/se_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'NS has a invalid format.';
 $wb['mbox_error_empty'] = 'Email is empty.';
 $wb['mbox_error_regex'] = 'Email format invalid.';
 $wb['also_notify_txt'] = 'Also Notify';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Update ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/sk_dns_soa.lng b/interface/web/dns/lib/lang/sk_dns_soa.lng
index 18189e5dd2a228b8f1026f118b56137eb4dbbe10..0f8ddecf3245633e07e4ee0c3d02983a26de7663 100644
--- a/interface/web/dns/lib/lang/sk_dns_soa.lng
+++ b/interface/web/dns/lib/lang/sk_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'NS má neplatný formát.';
 $wb['mbox_error_empty'] = 'Email je prázdny.';
 $wb['mbox_error_regex'] = 'Email má neplatný formát.';
 $wb['also_notify_txt'] = 'Also Notify';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'Update ACL';
 ?>
diff --git a/interface/web/dns/lib/lang/tr_dns_soa.lng b/interface/web/dns/lib/lang/tr_dns_soa.lng
index 8c93cd3d45f50bebd8a420a40e8bdc90e7c36b3e..2915567874805abe853bc0af484a244a3ca33419 100644
--- a/interface/web/dns/lib/lang/tr_dns_soa.lng
+++ b/interface/web/dns/lib/lang/tr_dns_soa.lng
@@ -22,5 +22,6 @@ $wb['ns_error_regex'] = 'NS geçersiz formatta.';
 $wb['mbox_error_empty'] = 'Email boş.';
 $wb['mbox_error_regex'] = 'Email geçersiz formatta.';
 $wb['also_notify_txt'] = 'Ayrıca Bildir';
+$wb['also_notify_error_regex'] = 'Please use an IP address.';
 $wb['update_acl_txt'] = 'ACL Güncelle';
 ?>