Tom Braun said:
dear w2k dns gurus,
is there a way in nslookookup to check, in which order dns-resolution
is working ?? i'd like to see, which dns-server are involved to
resolve a name.
Netdig from
www.mvptools.com does this very well.
Here is a sample:
NetDig 2.5 >> wftx.us. a /tracefull
.. 1854 IN NS E.ROOT-SERVERS.NET.
.. 1854 IN NS F.ROOT-SERVERS.NET.
.. 1854 IN NS G.ROOT-SERVERS.NET.
.. 1854 IN NS H.ROOT-SERVERS.NET.
.. 1854 IN NS I.ROOT-SERVERS.NET.
.. 1854 IN NS J.ROOT-SERVERS.NET.
.. 1854 IN NS K.ROOT-SERVERS.NET.
.. 1854 IN NS L.ROOT-SERVERS.NET.
.. 1854 IN NS M.ROOT-SERVERS.NET.
.. 1854 IN NS A.ROOT-SERVERS.NET.
.. 1854 IN NS B.ROOT-SERVERS.NET.
.. 1854 IN NS C.ROOT-SERVERS.NET.
.. 1854 IN NS D.ROOT-SERVERS.NET.
;; Received 228 bytes from 4.2.2.2:53 (4.2.2.2) in 62 ms
us. 172800 IN NS B.GTLD.BIZ.
us. 172800 IN NS C.GTLD.BIZ.
us. 172800 IN NS A.GTLD.BIZ.
;; Received 129 bytes from 192.203.230.10:53 (E.ROOT-SERVERS.NET.) in 109 ms
wftx.us. 7200 IN NS NS3.wftx.us.
wftx.us. 7200 IN NS NS1.wftx.us.
wftx.us. 7200 IN NS NS2.wftx.us.
;; Received 127 bytes from 209.173.57.162:53 (B.GTLD.BIZ.) in 109 ms
wftx.us. 900 IN A 65.65.91.210
;; Received 41 bytes from 68.95.28.154:53 (NS3.wftx.us.) in 47 ms