On 2012-11-09 09:28, Fred Morris wrote:
> 
> demeter:~ demeter$ dig co.pierce.wa.us +trace
[..]
> ;; connection timed out; no servers could be reached

It could be transient, or, more likely: you can't reach the nameservers.

You might want to do a traceroute to them to see where that goes wrong.

Greets,
 Jeroen

--


$ dig co.pierce.wa.us +trace

; <<>> DiG 9.8.1-P1 <<>> co.pierce.wa.us +trace
;; global options: +cmd
.                       13070   IN      NS      k.root-servers.net.
.                       13070   IN      NS      f.root-servers.net.
.                       13070   IN      NS      c.root-servers.net.
.                       13070   IN      NS      j.root-servers.net.
.                       13070   IN      NS      i.root-servers.net.
.                       13070   IN      NS      l.root-servers.net.
.                       13070   IN      NS      d.root-servers.net.
.                       13070   IN      NS      m.root-servers.net.
.                       13070   IN      NS      g.root-servers.net.
.                       13070   IN      NS      b.root-servers.net.
.                       13070   IN      NS      h.root-servers.net.
.                       13070   IN      NS      a.root-servers.net.
.                       13070   IN      NS      e.root-servers.net.
;; Received 228 bytes from 8.8.8.8#53(8.8.8.8) in 293 ms

us.                     172800  IN      NS      c.cctld.us.
us.                     172800  IN      NS      f.cctld.us.
us.                     172800  IN      NS      k.cctld.us.
us.                     172800  IN      NS      b.cctld.us.
us.                     172800  IN      NS      a.cctld.us.
us.                     172800  IN      NS      e.cctld.us.
;; Received 315 bytes from 192.33.4.12#53(192.33.4.12) in 151 ms

co.pierce.wa.us.        7200    IN      NS      NS1.co.pierce.wa.us.
co.pierce.wa.us.        7200    IN      NS      NS2.co.pierce.wa.us.
;; Received 101 bytes from 2001:503:e239::3:1#53(2001:503:e239::3:1) in
436 ms

co.pierce.wa.us.        300     IN      A       192.103.152.32
co.pierce.wa.us.        14400   IN      NS      ns1.co.pierce.wa.us.
co.pierce.wa.us.        14400   IN      NS      ns2.co.pierce.wa.us.
co.pierce.wa.us.        14400   IN      NS      ns12.co.pierce.wa.us.
;; Received 152 bytes from 192.103.152.5#53(192.103.152.5) in 212 ms

Forcing IPv4:

$ dig -4 co.pierce.wa.us +trace

; <<>> DiG 9.8.1-P1 <<>> -4 co.pierce.wa.us +trace
;; global options: +cmd
.                       20727   IN      NS      c.root-servers.net.
.                       20727   IN      NS      m.root-servers.net.
.                       20727   IN      NS      j.root-servers.net.
.                       20727   IN      NS      k.root-servers.net.
.                       20727   IN      NS      e.root-servers.net.
.                       20727   IN      NS      h.root-servers.net.
.                       20727   IN      NS      a.root-servers.net.
.                       20727   IN      NS      g.root-servers.net.
.                       20727   IN      NS      f.root-servers.net.
.                       20727   IN      NS      l.root-servers.net.
.                       20727   IN      NS      i.root-servers.net.
.                       20727   IN      NS      b.root-servers.net.
.                       20727   IN      NS      d.root-servers.net.
;; Received 228 bytes from 8.8.8.8#53(8.8.8.8) in 286 ms

us.                     172800  IN      NS      a.cctld.us.
us.                     172800  IN      NS      b.cctld.us.
us.                     172800  IN      NS      c.cctld.us.
us.                     172800  IN      NS      e.cctld.us.
us.                     172800  IN      NS      f.cctld.us.
us.                     172800  IN      NS      k.cctld.us.
;; Received 315 bytes from 128.63.2.53#53(128.63.2.53) in 240 ms

co.pierce.wa.us.        7200    IN      NS      NS2.co.pierce.wa.us.
co.pierce.wa.us.        7200    IN      NS      NS1.co.pierce.wa.us.
;; Received 101 bytes from 156.154.127.70#53(156.154.127.70) in 66 ms

co.pierce.wa.us.        300     IN      A       192.103.152.32
co.pierce.wa.us.        14400   IN      NS      ns2.co.pierce.wa.us.
co.pierce.wa.us.        14400   IN      NS      ns12.co.pierce.wa.us.
co.pierce.wa.us.        14400   IN      NS      ns1.co.pierce.wa.us.
;; Received 152 bytes from 192.103.152.3#53(192.103.152.3) in 213 ms


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