Help with screwy behavior...

[Mark.Andrews at nominum.com]

	Boatmotors.com has its delegation completely screwed up as the NS
	list in zone does not match that in the parent zone.

	I've Bcc the relevent contacts.

	Mark

bsdi:resolv {1778} % dig boatmotors.com @NS.IBOATS.COM

; <<>> DiG 8.2 <<>> boatmotors.com @NS.IBOATS.COM 
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; QUERY SECTION:
;;      boatmotors.com, type = A, class = IN

;; ANSWER SECTION:
boatmotors.com.         1D IN A         209.90.113.162

;; AUTHORITY SECTION:
boatmotors.com.         1D IN NS        boatmotors.com.
boatmotors.com.         1D IN NS        local.iboats.com.

;; ADDITIONAL SECTION:
boatmotors.com.         1D IN A         209.90.113.162
local.iboats.com.       1D IN A         209.90.117.130

;; Total query time: 460 msec
;; FROM: bsdi.dv.isc.org to SERVER: NS.IBOATS.COM  209.90.113.162
;; WHEN: Fri Jun 16 08:31:44 2000
;; MSG SIZE  sent: 32  rcvd: 124

bsdi:resolv {1779} % dig ns boatmotors.com @a.root-servers.net

; <<>> DiG 8.2 <<>> ns boatmotors.com @a.root-servers.net 
; (1 server found)
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10
;; flags: qr rd; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 2
;; QUERY SECTION:
;;      boatmotors.com, type = NS, class = IN

;; ANSWER SECTION:
boatmotors.com.         2D IN NS        NS.IBOATS.COM.
boatmotors.com.         2D IN NS        NS.LOCAL.IBOATS.COM.

;; ADDITIONAL SECTION:
NS.IBOATS.COM.          2D IN A         209.90.113.162
NS.LOCAL.IBOATS.COM.    2D IN A         209.90.117.130

;; Total query time: 464 msec
;; FROM: bsdi.dv.isc.org to SERVER: a.root-servers.net  198.41.0.4
;; WHEN: Fri Jun 16 08:32:14 2000
;; MSG SIZE  sent: 32  rcvd: 114

bsdi:resolv {1780} %


> 
>   The last week I've seen some odd behaviour.  A few other name servers
> can't resolve our domains, and I'm not sure why...  It happened first with
> one of USWest's name servers, and the problem went away in a day.  Now,
> another ISP's name servers are doing the same thing:
> 
> [steve at helix steve]$ nslookup
> Default Server:  slkcpop1.slkc.uswest.net
> Address:  206.81.128.1
> 
> > server ns.inconnect.com
> Default Server:  ns.inconnect.com
> Address:  209.140.64.4
> 
> > boatmotors.com.
> Server:  ns.inconnect.com
> Address:  209.140.64.4
> 
> *** ns.inconnect.com can't find boatmotors.com.: Server failed
> > server a.root-servers.net
> Default Server:  a.root-servers.net
> Address:  198.41.0.4
> 
> > boatmotors.com.
> Server:  a.root-servers.net
> Address:  198.41.0.4
> 
> Name:    boatmotors.com
> Served by:
> - NS.IBOATS.COM
>           209.90.113.162
>           boatmotors.com
> - NS.LOCAL.IBOATS.COM
>           209.90.117.130
>           boatmotors.com
> > server ns.iboats.com
> Default Server:  ns.iboats.com
> Address:  209.90.113.162
> 
> > boatmotors.com.
> Server:  ns.iboats.com
> Address:  209.90.113.162
> 
> Name:    boatmotors.com
> Address:  209.90.113.162
> 
> ---------------------------------------------
> 
>   So, for me it appears that the normal "chain of command" is working.  The
> offending name server *should* talk to the root servers, they point it to
> ns.iboats.com, and that responds.    I'm baffled as to why it doesn't work.
> 
>   Any suggestions?
> 
> steve
> --
> --------------------------------------------------
> Domain for replies is "codon".
> --------------------------------------------------
> 
> 
> 
> 
> 
--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com