unable to resolve one specific domain (hotmail.co.uk)

x_bind-users_x at nospam.pz.podzone.net x_bind-users_x at nospam.pz.podzone.net
Tue Apr 24 01:45:27 UTC 2007


Hi,

The following commands are all run as root on the same box that runs
my local caching nameserver.  System is debian 'Etch', with stock
bind.  

The domain hotmail.co.uk will not resolve, resulting in mail bouncing.

If it could be due to a cached negative result then how do I flush the
cache?  Otherwise, any ideas please?

There are no other dns problems apparent. 

root:~# named -v
BIND 9.2.4
root:~# rndc -s localhost flush
root:~# dig hotmail.co.uk @localhost

; <<>> DiG 9.2.4 <<>> hotmail.co.uk @localhost
;; global options:  printcmd
;; connection timed out; no servers could be reached
root:~# dig hotmail.com @localhost

; <<>> DiG 9.2.4 <<>> hotmail.com @localhost
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57573
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 5, ADDITIONAL: 5

;; QUESTION SECTION:
;hotmail.com.                   IN      A

;; ANSWER SECTION:
hotmail.com.            3600    IN      A       64.4.33.7
hotmail.com.            3600    IN      A       64.4.32.7

;; AUTHORITY SECTION:
hotmail.com.            172799  IN      NS      ns5.msft.net.
hotmail.com.            172799  IN      NS      ns1.msft.net.
hotmail.com.            172799  IN      NS      ns2.msft.net.
hotmail.com.            172799  IN      NS      ns3.msft.net.
hotmail.com.            172799  IN      NS      ns4.msft.net.

;; ADDITIONAL SECTION:
ns1.msft.net.           172768  IN      A       207.68.160.190
ns2.msft.net.           172768  IN      A       65.54.240.126
ns3.msft.net.           172768  IN      A       213.199.161.77
ns4.msft.net.           172768  IN      A       207.46.66.126
ns5.msft.net.           172768  IN      A       65.55.238.126

;; Query time: 474 msec
;; SERVER: 127.0.0.1#53(localhost)
;; WHEN: Tue Apr 24 02:21:11 2007
;; MSG SIZE  rcvd: 239

root:~# dig hotmail.co.uk +trace

; <<>> DiG 9.2.4 <<>> hotmail.co.uk +trace
;; global options:  printcmd
.                       517481  IN      NS      E.ROOT-SERVERS.NET.
.                       517481  IN      NS      F.ROOT-SERVERS.NET.
.                       517481  IN      NS      G.ROOT-SERVERS.NET.
.                       517481  IN      NS      H.ROOT-SERVERS.NET.
.                       517481  IN      NS      I.ROOT-SERVERS.NET.
.                       517481  IN      NS      J.ROOT-SERVERS.NET.
.                       517481  IN      NS      K.ROOT-SERVERS.NET.
.                       517481  IN      NS      L.ROOT-SERVERS.NET.
.                       517481  IN      NS      M.ROOT-SERVERS.NET.
.                       517481  IN      NS      A.ROOT-SERVERS.NET.
.                       517481  IN      NS      B.ROOT-SERVERS.NET.
.                       517481  IN      NS      C.ROOT-SERVERS.NET.
.                       517481  IN      NS      D.ROOT-SERVERS.NET.
;; Received 436 bytes from 127.0.0.1#53(127.0.0.1) in 6 ms

uk.                     172800  IN      NS      NS6.NIC.uk.
uk.                     172800  IN      NS      NSB.NIC.uk.
uk.                     172800  IN      NS      NS4.NIC.uk.
uk.                     172800  IN      NS      NS1.NIC.uk.
uk.                     172800  IN      NS      NS3.NIC.uk.
uk.                     172800  IN      NS      NSA.NIC.uk.
uk.                     172800  IN      NS      NS7.NIC.uk.
uk.                     172800  IN      NS      NSD.NIC.uk.
uk.                     172800  IN      NS      NS2.NIC.uk.
uk.                     172800  IN      NS      NS5.NIC.uk.
uk.                     172800  IN      NS      NSC.NIC.uk.
;; Received 493 bytes from 192.203.230.10#53(E.ROOT-SERVERS.NET) in 188 ms

hotmail.co.uk.          172800  IN      NS      ns3.msft.net.
hotmail.co.uk.          172800  IN      NS      ns4.msft.net.
hotmail.co.uk.          172800  IN      NS      ns1.msft.net.
;; Received 93 bytes from 213.248.254.130#53(NS6.NIC.uk) in 51 ms

hotmail.co.uk.          3600    IN      A       64.4.33.7
;; Received 47 bytes from 213.199.161.77#53(ns3.msft.net) in 47 ms

root:~# dig hotmail.co.uk @localhost

; <<>> DiG 9.2.4 <<>> hotmail.co.uk @localhost
;; global options:  printcmd
;; connection timed out; no servers could be reached
root:~# 




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