Posts Tagged ‘ dns ’

DNS::ZoneParse has an undocumented $ORIGIN

November 2, 2011

I was working writing a few scripts that should update a DNS zone file on the fly. I decided to use the DNS::ZoneParse perl module for convenience. The example there is straightforward for changing MX records so I thought modifying it to modify an A record should be a piece of cake. Right? Wrong!...

Akismet troubles traced back to DNS issues.

June 2, 2011

By silviu

My API key for Akismet was suddenly unconfirmed by reason of not being able to reach akismet.com My provider had indeed troubles with their primary DNS so I switched to the google public one. (8.8.8.8). This is a server not a browsing machine so I don’t have any privacy worries. Long storry short, I...

PHP code misses DNS updates.

December 22, 2010

By silviu

Apache needs a full stop & start on DNS changes. While working on a test environment I noticed that php code was not finding new hosts. The hosts were served by an internal, private dns server which was configured as default in resolv.conf Warning: file_get_contents(http://www.testdomain.com/webapp/file.php) : failed to open stream: HTTP request failed! HTTP/1.1...

List of open dns servers

January 16, 2010

By silviu

This is a growing list of Open DNS servers available around the world. I also maintain a list of ip address of various isp providers. Google DNS: 8.8.8.8 and 8.8.4.4 OpenDNS: 208.67.220.220 and 208.67.222.222. Open DNS also makes available a third and fourth dns server with identical service to the first two 208.67.220.222 and...