Welcome to GENSupport UK


According to RFC1123/1124 all internet hosts should have both a forward and reverse DNS entry. Because the forward can be easily forged but the reverse is very hard to forge, making this simple check is something many mail servers (as well as other internet based resources) deploy to help protect themselves from spam and malicious use. 

 

IP Address


If your having a particular issue that you just can pin down and would like our help then feel free to use the forum, or if the need is urgent and commercial then the HelpDesk will get you the Best in Class Network Support.