Trouble shooting tools
This page lists sites that are useful for external diagnosis of problems.
Sometimes it's useful to get a view from outside our network on the state of something.
- DNS Bajaj ("dns by-eye") is a useful tool for diagnosing DNS errors.
- traceroute.org lists looking-glass pages for major ISPs.
http://www.traceroute.org/#Australia as does Blue Moon Internet
- Abuse.net mail relay testing checks that a mail server is not an open relay.