Implemented #4910 Do not permit to add subdomains of domain acme.invalid

interface/lib/classes/validate_domain.inc.php

interface/web/sites/lib/lang/ar_web_aliasdomain.lng

interface/web/sites/lib/lang/ar_web_aliasdomain_list.lng

interface/web/sites/lib/lang/ar_web_childdomain.lng

interface/web/sites/lib/lang/ar_web_childdomain_list.lng

interface/web/sites/lib/lang/ar_web_domain.lng

interface/web/sites/lib/lang/ar_web_subdomain.lng

interface/web/sites/lib/lang/ar_web_vhost_domain.lng

interface/web/sites/lib/lang/ar_web_vhost_subdomain.lng

interface/web/sites/lib/lang/bg_web_aliasdomain.lng

interface/web/sites/lib/lang/bg_web_vhost_subdomain.lng

interface/web/sites/lib/lang/ca_web_childdomain.lng

interface/web/sites/lib/lang/ca_web_childdomain_list.lng

interface/web/sites/lib/lang/ca_web_vhost_domain.lng

interface/web/sites/lib/lang/ca_web_vhost_subdomain.lng

interface/web/sites/lib/lang/de_web_subdomain.lng

interface/web/sites/lib/lang/de_web_vhost_domain.lng

interface/web/sites/lib/lang/de_web_vhost_subdomain.lng

interface/web/sites/lib/lang/dk_web_childdomain.lng

interface/web/sites/lib/lang/dk_web_childdomain_list.lng