Re: [cobalt-users] bind bug on reverse dns

["E.B. Dreger" <eddy+public+spam@xxxxxxxxxxxxxxxxx>]

GS> Date: Sat, 12 Apr 2003 22:07:42 +0100
GS> From: Graham Scanlan


GS> ok bit of history

GS> i have been trying to get our isp (rm.net) to set up a public ip to our
GS> server for seven months.

GS> It has got to the point were i am telling them what to do when they are so
GS called experts.

Sounds frustrating. :-(


GS> if i go to dnsreport.com and run a report on oakwood-surrey.org.uk, our
GS> domain that i am being told ns.oakwood-surrey.org.uk is authoritive
GS> according to ISP, i get the message that there is no reverse dns setup.

GS> If i do a specific reverse dns check it makes reference to
GS> dns1.segfl.ifl.net (an rm dns server) is authorititive.

On which IP address(es) would you like reverse checked?  I
assumed 62.171.199.74; please indicate if that's correct.

62.171.199 is handled by dns?.rmplc.co.uk -- and has an
improperly-formatted SOA record. :-)  Looks like dns0 and dns2
report NXDOMAIN, and dns1 reports NOERROR.  It also seems like
the NXDOMAIN-reporting NSes are doing DNS for 62.171.199, but
dns2 is configured for 62.171.

At any rate, reverse is handled by rmplc.co.uk... so it looks
like your provider is attempting to do reverse.  It certainly
hasn't been delegated beyond there.


GS> Can someone please put me out of my mysery and confirm or otherwise my
GS> belief that our isp has still not set things up properly by whatever means
GS> you use to check dns setup.

Manually following DNS delegations from the root. :-)


GS> just to complicate thing this server sits behind a firewall that rm manage.

No big deal... except being behind a firewall can present some
security hazards if done improperly.


Eddy
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Brotsman & Dreger, Inc. - EverQuick Internet Division
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