Error querying a.gtld.biz.
Edward Lewis
Ed.Lewis at neustar.biz
Wed Sep 12 18:59:28 UTC 2007
a.gtld.biz doesn't know about dss.state.la.us. This is because
"state.la.us." is delegated "away" and anything below it will be
found on another server.
How about this - DiG gives a better "view" of the chain.:
$ dig +trace dss.state.la.us. ns
; <<>> DiG 9.4.1 <<>> +trace dss.state.la.us. ns
;; global options: printcmd
. 3600000 IN NS H.ROOT-SERVERS.NET.
. 3600000 IN NS I.ROOT-SERVERS.NET.
. 3600000 IN NS J.ROOT-SERVERS.NET.
. 3600000 IN NS K.ROOT-SERVERS.NET.
. 3600000 IN NS L.ROOT-SERVERS.NET.
. 3600000 IN NS M.ROOT-SERVERS.NET.
. 3600000 IN NS A.ROOT-SERVERS.NET.
. 3600000 IN NS B.ROOT-SERVERS.NET.
. 3600000 IN NS C.ROOT-SERVERS.NET.
. 3600000 IN NS D.ROOT-SERVERS.NET.
. 3600000 IN NS E.ROOT-SERVERS.NET.
. 3600000 IN NS F.ROOT-SERVERS.NET.
. 3600000 IN NS G.ROOT-SERVERS.NET.
;; Received 292 bytes from 68.105.28.12#53(68.105.28.12) in 22 ms
us. 172800 IN NS B.GTLD.BIZ.
us. 172800 IN NS C.GTLD.BIZ.
us. 172800 IN NS I.GTLD.BIZ.
us. 172800 IN NS J.GTLD.BIZ.
us. 172800 IN NS K.GTLD.BIZ.
us. 172800 IN NS A.GTLD.BIZ.
;; Received 301 bytes from 192.58.128.30#53(J.ROOT-SERVERS.NET) in 21 ms
state.la.us. 7200 IN NS SERVER.NOC.LA.NET.
state.la.us. 7200 IN NS OTC-DNS1.LSU.EDU.
;; Received 94 bytes from 209.173.60.65#53(C.GTLD.BIZ) in 95 ms
dss.state.la.us. 86400 IN NS dssns.dss.state.la.us.
dss.state.la.us. 86400 IN NS dssns2.dss.state.la.us.
;; Received 106 bytes from 130.39.3.5#53(OTC-DNS1.LSU.EDU) in 48 ms
dss.state.la.us. 3600 IN NS dssns.dss.state.la.us.
dss.state.la.us. 3600 IN NS dssns2.dss.state.la.us.
;; Received 106 bytes from 199.248.209.35#53(dssns2.dss.state.la.us) in 54 ms
At 13:34 -0500 9/12/07, Ryan McCain wrote:
>Im going through the O'Reilly BIND book and on pp79-80 it discusses
>querying your parents servers. If you see my results below, the TLD
>DNS (no sure if thats the right terminology) have no idea of our
>domain. I am under the impression that the state.la.us nameservers
>don't have our NS's registered. Is that correct? If so, does this
>really matter?
>
>Sorry for the newbie questions.. I can assure you I'm reading and
>googling trying to figure this out on my own before wasting you guys
>time.
>
>----
>
>dss-dr93la06:~ # nslookup -type=ns us.
>Server: 172.20.11.238
>Address: 172.20.11.238#53
>
>Non-authoritative answer:
>us nameserver = a.gtld.biz.
>us nameserver = b.gtld.biz.
>us nameserver = c.gtld.biz.
>us nameserver = i.gtld.biz.
>us nameserver = j.gtld.biz.
>us nameserver = k.gtld.biz.
>
>Authoritative answers can be found from:
>a.gtld.biz internet address = 209.173.53.162
>b.gtld.biz internet address = 209.173.57.162
>c.gtld.biz internet address = 209.173.60.65
>i.gtld.biz internet address = 156.154.96.126
>k.gtld.biz internet address = 156.154.72.65
>
>dss-dr93la06:~ # nslookup -type=ns -norecurse dss.state.la.us. a.gtld.biz.
>Server: a.gtld.biz.
>Address: 209.173.53.162#53
>
>Non-authoritative answer:
>*** Can't find dss.state.la.us.: No answer <***********************-----
>
>Authoritative answers can be found from:
>state.la.us nameserver = SERVER.NOC.LA.NET.
>state.la.us nameserver = OTC-DNS1.LSU.EDU.
>
>dss-dr93la06:~ #
--
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Edward Lewis +1-571-434-5468
NeuStar
Think glocally. Act confused.
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