Reverse DNS is a site that displays reverse lookup results for approximately 4.3 billion IPv4 addresses in a map-like manner. This is what it looks like when you access the site. I can't tell what it ...

Having blundered and finessed my way through several problems setting up VPN connections over a wireless AP for some laptops, I am left with just one hurdle to tackle:<BR><BR>Some print charging ...

How does anyone in IT who works with either email or DNS not know how reverse DNS lookups work? Even worse yet not know what a reverse DNS lookup even is. It boggles my mind when I have to explain ...

Over the past few days, we have found that several ISPs put us on some type of block list that didn’t allow our mail through. … One told us that the only way it would allow the mail through would be ...

DNS Hijacking is a major issue in the connected world. Every unique instance you type an address into your address bar your internet-connected device makes a request to a DNS server to get the actual ...

Windows has an inbuilt command line tool – nslookup. It can be used to diagnose the Domain Name System (DNS) infrastructure. It needs TCP/IP installed on your computer to work. The only drawback here ...

Yesterday we reported that MSNBot failed some reverse DNS tests. In short, if you did a reverse DNS lookup on the IP addresses of their spiders, it would not resolve to search.live.com. The big issue ...