[Pdns-users] dig , trace and the recursor

[thomas polnik]

Hello,
I try the trace-option from dig, here is an example:

-- snip --
$ dig www.google.de @130.149.4.20 +trace

; <<>> DiG 9.2.4 <<>> www.google.de @130.149.4.20 +trace
;; global options:  printcmd
.                       249661  IN      NS      L.ROOT-SERVERS.NET.
.                       249661  IN      NS      M.ROOT-SERVERS.NET.
.                       249661  IN      NS      A.ROOT-SERVERS.NET.
.                       249661  IN      NS      B.ROOT-SERVERS.NET.
.                       249661  IN      NS      C.ROOT-SERVERS.NET.
.                       249661  IN      NS      D.ROOT-SERVERS.NET.
.                       249661  IN      NS      E.ROOT-SERVERS.NET.
.                       249661  IN      NS      F.ROOT-SERVERS.NET.
.                       249661  IN      NS      G.ROOT-SERVERS.NET.
.                       249661  IN      NS      H.ROOT-SERVERS.NET.
.                       249661  IN      NS      I.ROOT-SERVERS.NET.
.                       249661  IN      NS      J.ROOT-SERVERS.NET.
.                       249661  IN      NS      K.ROOT-SERVERS.NET.
;; Received 436 bytes from 130.149.4.20#53(130.149.4.20) in 36 ms

de.                     172800  IN      NS      A.NIC.de.
de.                     172800  IN      NS      C.DE.NET.
de.                     172800  IN      NS      F.NIC.de.
de.                     172800  IN      NS      L.DE.NET.
de.                     172800  IN      NS      S.DE.NET.
de.                     172800  IN      NS      Z.NIC.de.
;; Received 289 bytes from 198.32.64.12#53(L.ROOT-SERVERS.NET) in 243 ms

google.de.              86400   IN      NS      ns4.google.com.
google.de.              86400   IN      NS      ns1.google.com.
google.de.              86400   IN      NS      ns3.google.com.
google.de.              86400   IN      NS      ns2.google.com.
;; Received 113 bytes from 193.0.7.3#53(A.NIC.de) in 45 ms

www.google.de.          345600  IN      CNAME   www.google.com.
www.google.com.         604800  IN      CNAME   www.l.google.com.
l.google.com.           86400   IN      NS      b.l.google.com.
l.google.com.           86400   IN      NS      c.l.google.com.
l.google.com.           86400   IN      NS      d.l.google.com.
l.google.com.           86400   IN      NS      e.l.google.com.
l.google.com.           86400   IN      NS      f.l.google.com.
l.google.com.           86400   IN      NS      g.l.google.com.
;; Received 271 bytes from 216.239.38.10#53(ns4.google.com) in 112 ms

-- snap --

But if I try it again to send the same request to recursor, I get an error:

-- snip --
$ dig www.google.de @212.xxx.xxx.xxx +trace

; <<>> DiG 9.2.4 <<>> www.google.de @212.xxx.xxx.xxx +trace
;; global options:  printcmd
;; Received 17 bytes from 212.xxx.xxx.xxx#53(212.xxx.xxx.xxx) in 8 ms
-- snap --

I find follow error message in the logfile:

Jan 11 16:12:07 Not authoritative for '', sending servfail to 
212.yyy.yyy.yyy

Have anybody a hint for me? Perhaps I set a wrong option in my pnds.conf?

Best regards,
thomas polnik.