[sf-lug] Fixing! :-) Re: DNS: sf-lug.com. "down": NS 208.96.15.252 "broken"

[Michael Paoli]

Ah, ... silly me, ... I failed to note that 208.96.15.252 is
on the sf-lug.com. box itself, ... I believe I've got the access to
be able to go in there and fix it, ... I'll have a looksie and see if
I can't get it whipped back into shape shortly.

BCC also again, ... sf-lug admin folks

Quoting "Michael Paoli" <Michael.Paoli at cal.berkeley.edu>:

> also BCCed to out-of-band SF-LUG admin alias; some
> earlier communications on the problem also sent to those folks and
> Rick Moen
>
> Would appear 208.96.15.252 is quite broken as NS for sf-lug.com.,
> and apparently
> (http://linuxmafia.com/pipermail/sf-lug/2009q1/006426.html)
> the other NS for sf-lug.com. - 198.144.195.186 - is
> slave for sf-lug.com. of only master 208.96.15.252,
> thus once 208.96.15.252 fails, sooner or later (based upon
> zone expire, if nothing else) 198.144.195.186
> will also in turn "fail" (properly refuse to stop providing
> answers) for sf-lug.com.
>
> Note that clearly 208.96.15.252 also refuses TCP - both TCP and
> UDP need to be working properly on port 53 for DNS to function
> properly.
>
> $ dig @208.96.15.252 -t A sf-lug.com. +short
>
> ; <<>> DiG 9.2.4 <<>> @208.96.15.252 -t A sf-lug.com. +short
> ;; global options:  printcmd
> ;; connection timed out; no servers could be reached
> $ dig @208.96.15.252 -t A sf-lug.com. +short +tcp
> ;; Connection to 208.96.15.252#53(208.96.15.252) for sf-lug.com.  
> failed: connection refused.
> $ tcptraceroute -n 208.96.15.252 53
> Selected device eth0, address 198.144.194.236, port 40463 for  
> outgoing packets
> Tracing the path to 208.96.15.252 on TCP port 53 (domain), 30 hops max
>  1  198.144.194.233  10.334 ms  11.012 ms  9.709 ms
>  2  209.237.228.169  11.087 ms  10.834 ms  12.342 ms
>  3  209.237.224.25  13.214 ms  10.333 ms  10.593 ms
>  4  207.7.129.73  10.590 ms  11.085 ms  10.695 ms
>  5  207.7.159.54  11.966 ms  11.831 ms  14.590 ms
>  6  206.223.116.86  12.579 ms  12.205 ms  11.843 ms
>  7  64.125.27.90  12.216 ms  12.334 ms  12.216 ms
>  8  64.124.196.6  13.088 ms  12.707 ms  13.091 ms
>  9  208.96.31.6  14.465 ms  13.708 ms  12.841 ms
> 10  208.96.15.252 [closed]  13.837 ms  13.704 ms  13.842 ms
> $
>