[dns-operations] DNS Issue

[Chip Marshall]

On 2013-04-24, Samir Abidali <samir.abidali at gorannet.net> sent:
> I wonder if someone can guide me in the direction for
> troubleshooting my DNS issues.
> 
> I work in the regional ISP, we have to DNS servers where it
> works fine for most of the Domain names but it cannot resolve
> some others, like dyn.com.
> 
> When I try to do dig + trace , below is the output, the txt in
> red shows that for that specific domain the DNS server cannot
> resolve it, please guide me to the proper procedure for
> troubleshooting such problem.

Are you doing query source port randomization?

https://www.dns-oarc.net/oarc/services/porttest

-- 
Chip Marshall <chip at 2bithacker.net>
http://2bithacker.net/
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