Technical data
dig
;; ADDITIONAL SECTION:
E.ROOT-SERVERS.NET. 2d20h1m11s IN A 192.203.230.10
D.ROOT-SERVERS.NET. 2d20h1m11s IN A 128.8.10.90
A.ROOT-SERVERS.NET. 2d20h1m11s IN A 198.41.0.4
H.ROOT-SERVERS.NET. 2d20h1m11s IN A 128.63.2.53
C.ROOT-SERVERS.NET. 2d20h1m11s IN A 192.33.4.12
G.ROOT-SERVERS.NET. 2d20h1m11s IN A 192.112.36.4
F.ROOT-SERVERS.NET. 2d20h1m11s IN A 192.5.5.241
B.ROOT-SERVERS.NET. 2d20h1m11s IN A 128.9.0.107
J.ROOT-SERVERS.NET. 2d20h1m11s IN A 198.41.0.10
K.ROOT-SERVERS.NET. 2d20h1m11s IN A 193.0.14.129
L.ROOT-SERVERS.NET. 2d20h1m11s IN A 198.32.64.12
M.ROOT-SERVERS.NET. 2d20h1m11s IN A 202.12.27.33
I.ROOT-SERVERS.NET. 2d20h1m11s IN A 192.36.148.17
;; Total query time: 4013 msec
;; FROM: lassie.ucx.lkg.dec.com to SERVER: default -- 16.20.208.53
;; WHEN: Wed Aug 9 16:42:08 2000
;; MSG SIZE sent: 17 rcvd: 436
This example shows how to query your default name server for query type
NS (default query type) and query class IN (default query class). The output
shows the address records for the root name servers and their IP addresses.
2.
$ dig microsoft.com mx
; <<>> DiG 8.1 <<>> microsoft.com mx
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 12, ADDITIONAL: 8
;; QUERY SECTION:
;; microsoft.com, type = MX, class = IN
;; ANSWER SECTION:
microsoft.com. 2h18m8s IN MX 10 mail2.microsoft.com.
microsoft.com. 2h18m8s IN MX 10 mail3.microsoft.com.
microsoft.com. 2h18m8s IN MX 10 mail4.microsoft.com.
microsoft.com. 2h18m8s IN MX 10 mail5.microsoft.com.
microsoft.com. 2h18m8s IN MX 10 mail1.microsoft.com.
;; AUTHORITY SECTION:
com. 5d22h12m9s IN NS A.ROOT-SERVERS.NET.
com. 5d22h12m9s IN NS E.GTLD-SERVERS.NET.
com. 5d22h12m9s IN NS F.GTLD-SERVERS.NET.
com. 5d22h12m9s IN NS F.ROOT-SERVERS.NET.
com. 5d22h12m9s IN NS J.GTLD-SERVERS.NET.
com. 5d22h12m9s IN NS K.GTLD-SERVERS.NET.
com. 5d22h12m9s IN NS A.GTLD-SERVERS.NET.
com. 5d22h12m9s IN NS M.GTLD-SERVERS.NET.
com. 5d22h12m9s IN NS G.GTLD-SERVERS.NET.
com. 5d22h12m9s IN NS C.GTLD-SERVERS.NET.
com. 5d22h12m9s IN NS I.GTLD-SERVERS.NET.
com. 5d22h12m9s IN NS B.GTLD-SERVERS.NET.
;; ADDITIONAL SECTION:
mail2.microsoft.com. 2h8m41s IN A 131.107.3.124
mail3.microsoft.com. 2h27s IN A 131.107.3.123
mail4.microsoft.com. 1h53m4s IN A 131.107.3.122
mail5.microsoft.com. 2h8m43s IN A 131.107.3.121
mail1.microsoft.com. 2h8m43s IN A 131.107.3.125
A.ROOT-SERVERS.NET. 2d19h47m37s IN A 198.41.0.4
E.GTLD-SERVERS.NET. 1d9h45m57s IN A 207.200.81.69
F.GTLD-SERVERS.NET. 3h16m16s IN A 198.17.208.67
Troubleshooting Utilities Reference A–9