resolving-problem
Mark Andrews
marka at isc.org
Tue Jul 23 22:40:32 UTC 2013
In message <CFBADB82F88A485885E728B14872136F at EJAZ>, "Ejaz" writes:
>
> Thank you so much for your email and support,
>
> Pls, See, the dig + trace output when use ns1.nesma.net.sa, at the end it
> say connection timedout. so please can you to find out the problem is from
> where???
>
>
> [root at ns1 ~]# dig +trace www.fransiplus.com <http://www.fransiplus.com/> , .
>
> ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.4 <<>> +trace www.fransiplus.com
> ;; global options: +cmd
> . 504930 IN NS j.root-servers.net.
> . 504930 IN NS c.root-servers.net.
> . 504930 IN NS a.root-servers.net.
> . 504930 IN NS e.root-servers.net.
> . 504930 IN NS f.root-servers.net.
> . 504930 IN NS k.root-servers.net.
> . 504930 IN NS g.root-servers.net.
> . 504930 IN NS l.root-servers.net.
> . 504930 IN NS i.root-servers.net.
> . 504930 IN NS d.root-servers.net.
> . 504930 IN NS m.root-servers.net.
> . 504930 IN NS b.root-servers.net.
> . 504930 IN NS h.root-servers.net.
> ;; Received 512 bytes from 212.119.64.2#53(212.119.64.2) in 5388 ms
You can talk to your local nameserver and have got the set of root server
names.
> com. 172800 IN NS m.gtld-servers.net.
> com. 172800 IN NS c.gtld-servers.net.
> com. 172800 IN NS a.gtld-servers.net.
> com. 172800 IN NS l.gtld-servers.net.
> com. 172800 IN NS g.gtld-servers.net.
> com. 172800 IN NS d.gtld-servers.net.
> com. 172800 IN NS k.gtld-servers.net.
> com. 172800 IN NS f.gtld-servers.net.
> com. 172800 IN NS b.gtld-servers.net.
> com. 172800 IN NS e.gtld-servers.net.
> com. 172800 IN NS h.gtld-servers.net.
> com. 172800 IN NS j.gtld-servers.net.
> ;; Received 508 bytes from 192.33.4.12#53(192.33.4.12) in 1789 ms
You can talk to the root servers and they responded with a referral to the
com servers.
> fransiplus.com. 172800 IN NS ns1.alfransi.com.sa.
> fransiplus.com. 172800 IN NS ns2.alfransi.com.sa.
> ;; Received 87 bytes from 192.5.6.30#53(192.5.6.30) in 202 ms
You can talk to the com servers and they responded with a referral to
ns1.alfransi.com.sa and ns2.alfransi.com.sa.
> ;; connection timed out; no servers could be reached
You tried to talk to ns1.alfransi.com.sa (193.22.249.48) and
ns2.alfransi.com.sa (193.22.249.148) but they failed to respond to
you. I would be looking at routing/firewall issues between you and
them.
They don't appear to be using a firewall which is blocking based
on source port (I can get a response using 53, 1023 and other source
ports).
Mark
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
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