North American Network Operators Group
Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Re: Top Level Domain Servers

  • From: Alex.Bligh
  • Date: Fri May 23 17:14:28 1997 
Curt,
> 
> After reading the commentaries about top level domain servers
> and their reality or mythical status, I went on a search of a
> list of the present "." and top-level servers.
> 
> Well, no luck. I searched the RFC's, resource pages, IETF.org
> and IANA.org pages, nada. I tried to RTFM, but couldn't find
> the FM.

Try a dig on the root servers.

Or see attached.

You will see "." has I-M up whereas com stops at H.

Alex Bligh
Xara Networks



diamond[amb].104$ dig NS . @a.root-servers.net
 
; <<>> DiG 2.1 <<>> NS . @a.root-servers.net 
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10
;; flags: qr aa rd; Ques: 1, Ans: 13, Auth: 0, Addit: 13
;; QUESTIONS:
;;      ., type = NS, class = IN
 
;; ANSWERS:
.       518400  NS      A.ROOT-SERVERS.NET.
.       518400  NS      H.ROOT-SERVERS.NET.
.       518400  NS      B.ROOT-SERVERS.NET.
.       518400  NS      C.ROOT-SERVERS.NET.
.       518400  NS      D.ROOT-SERVERS.NET.
.       518400  NS      E.ROOT-SERVERS.NET.
.       518400  NS      I.ROOT-SERVERS.NET.
.       518400  NS      F.ROOT-SERVERS.NET.
.       518400  NS      G.ROOT-SERVERS.NET.
.       518400  NS      J.ROOT-SERVERS.NET.
.       518400  NS      K.ROOT-SERVERS.NET.
.       518400  NS      L.ROOT-SERVERS.NET.
.       518400  NS      M.ROOT-SERVERS.NET.
 
;; ADDITIONAL RECORDS:
A.ROOT-SERVERS.NET.     3600000 A       198.41.0.4
H.ROOT-SERVERS.NET.     3600000 A       128.63.2.53
B.ROOT-SERVERS.NET.     3600000 A       128.9.0.107
C.ROOT-SERVERS.NET.     3600000 A       192.33.4.12
D.ROOT-SERVERS.NET.     3600000 A       128.8.10.90
E.ROOT-SERVERS.NET.     3600000 A       192.203.230.10
I.ROOT-SERVERS.NET.     3600000 A       192.36.148.17
F.ROOT-SERVERS.NET.     3600000 A       192.5.5.241
G.ROOT-SERVERS.NET.     3600000 A       192.112.36.4
J.ROOT-SERVERS.NET.     3600000 A       198.41.0.10
K.ROOT-SERVERS.NET.     3600000 A       193.0.14.129
L.ROOT-SERVERS.NET.     3600000 A       198.32.64.12
M.ROOT-SERVERS.NET.     3600000 A       198.32.65.12
 
;; Total query time: 203 msec
;; FROM: diamond to SERVER: a.root-servers.net  198.41.0.4
;; WHEN: Fri May 23 22:09:13 1997
;; MSG SIZE  sent: 17  rcvd: 436
 
}
diamond[amb].105$ 

diamond[amb].108$ dig NS com @ns.internic.net
 
; <<>> DiG 2.1 <<>> NS com @ns.internic.net 
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10
;; flags: qr aa rd; Ques: 1, Ans: 9, Auth: 0, Addit: 9
;; QUESTIONS:
;;      com, type = NS, class = IN
 
;; ANSWERS:
com.    518400  NS      B.ROOT-SERVERS.NET.
com.    518400  NS      C.ROOT-SERVERS.NET.
com.    518400  NS      D.ROOT-SERVERS.NET.
com.    518400  NS      E.ROOT-SERVERS.NET.
com.    518400  NS      I.ROOT-SERVERS.NET.
com.    518400  NS      F.ROOT-SERVERS.NET.
com.    518400  NS      G.ROOT-SERVERS.NET.
com.    518400  NS      A.ROOT-SERVERS.NET.
com.    518400  NS      H.ROOT-SERVERS.NET.
 
;; ADDITIONAL RECORDS:
B.ROOT-SERVERS.NET.     3600000 A       128.9.0.107
C.ROOT-SERVERS.NET.     3600000 A       192.33.4.12
D.ROOT-SERVERS.NET.     3600000 A       128.8.10.90
E.ROOT-SERVERS.NET.     3600000 A       192.203.230.10
I.ROOT-SERVERS.NET.     3600000 A       192.36.148.17
F.ROOT-SERVERS.NET.     3600000 A       192.5.5.241
G.ROOT-SERVERS.NET.     3600000 A       192.112.36.4
A.ROOT-SERVERS.NET.     3600000 A       198.41.0.4
H.ROOT-SERVERS.NET.     3600000 A       128.63.2.53
 
;; Total query time: 181 msec
;; FROM: diamond to SERVER: ns.internic.net  198.41.0.4
;; WHEN: Fri May 23 22:10:16 1997
;; MSG SIZE  sent: 21  rcvd: 325
 


- - - - - - - - - - - - - - - - -