Posts Tagged dns
Canonical Problem domain.com and www.domain.com
Posted by Mitch in Internet, Web Development on August 12, 2010

In the SEO world, there is an issue which exists called the Canonical Problem. Sounds like something to do with the Pope, right? Well, it’s a simple issue, related to how web addresses work and usually only found when dealing with older websites where people created links with and without www. If you have this [...]
Add your IP address to the DNSWL (Whitelist)
Posted by Mitch in Email Campaigns, Network Admin on December 3, 2008
From their website: DNSWL.org provides a Whitelist of known legitimate email servers to reduce the chances of false positives while spam filtering. We effectively divide the entire Internet up (by IP) into five categories, and provide you with efficient access methods to this data for free. Trust Level Description High Never sends spam. Medium Extremely [...]
Slow Internet Access
Posted by Mitch in Internet, Network Admin on October 27, 2006
There are lots of causes of slow internet access, but in this case it was a DNS problem. The company had changed ISPs at some point in the past and still had old DNS server info on the servers which became a problem after the old ISP took down their name server. 10/27/06 – 5:20pm [...]
