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-   -   SOLVED Problems with bind on 5.2 (http://www.linux-archive.org/centos/122668-solved-problems-bind-5-2-a.html)

Scott Silva 07-10-2008 08:51 PM

SOLVED Problems with bind on 5.2
 
on 7-8-2008 11:15 PM Robert - elists spake the following:

After digging for a bit at arin

Near as I can tell, it appears the authoritative dns servers for that
specific block are a lil messed up for the moment.

Not delegating something properly.

Tough to say without admin access to those machines.

If you check your netblock at ARIN whois, it says these two dns servers are
authoritive

OrgName: MCI Communications Services, Inc. d/b/a Verizon Business
OrgID: MCICS

Address: 22001 Loudoun County Pkwy
City: Ashburn
StateProv: VA
PostalCode: 20147
Country: US

NetRange: 208.192.0.0 - 208.255.255.255
CIDR: 208.192.0.0/10
NetName: UUNET1996B

NetHandle: NET-208-192-0-0-1
Parent: NET-208-0-0-0-0
NetType: Direct Allocation
NameServer: AUTH03.NS.UU.NET
NameServer: AUTH00.NS.UU.NET
Comment: ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE
RegDate: 1996-05-08
Updated: 2006-12-14

dig -x 208.252.226.222 @AUTH00.NS.UU.NET

; <<>> DiG 9.2.4 <<>> -x 208.252.226.222 @AUTH00.NS.UU.NET
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47733
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 1

;; QUESTION SECTION:
;222.226.252.208.in-addr.arpa. IN PTR

;; AUTHORITY SECTION:
226.252.208.in-addr.arpa. 21600 IN NS auth02.ns.uu.net.
226.252.208.in-addr.arpa. 21600 IN NS auth20.ns.wcom.com.

;; ADDITIONAL SECTION:
auth02.ns.uu.net. 3600 IN A 198.6.1.82

When you do a reverse dig at them, one of them will tell you that this ip is
authoritive

198.6.1.82 aka That ip is auth02.ns.uu.net

Auto03 returns squat...

dig -x 208.252.226.222 @AUTH03.NS.UU.NET

; <<>> DiG 9.2.4 <<>> -x 208.252.226.222 @AUTH03.NS.UU.NET
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 32548
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 0

;; QUESTION SECTION:
;222.226.252.208.in-addr.arpa. IN PTR

;; AUTHORITY SECTION:
226.252.208.in-addr.arpa. 21600 IN NS auth02.ns.uu.net.
226.252.208.in-addr.arpa. 21600 IN NS auth20.ns.wcom.com.

So, maybe something is a lil broken in their in-addr.arpa land

Could be wrong though...

If you dig stuff at the IP address, it seems to at least try to work though

Something is not right imho

dig -x 208.252.226.222 @198.6.1.82

; <<>> DiG 9.2.4 <<>> -x 208.252.226.222 @198.6.1.82
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62935
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;222.226.252.208.in-addr.arpa. IN PTR

;; ANSWER SECTION:
222.226.252.208.in-addr.arpa. 21600 IN CNAME
222.192.226.252.208.in-addr.arpa.

;; AUTHORITY SECTION:
192.226.252.208.in-addr.arpa. 21600 IN NS mail.sgvwater.com.

Best wishes...

- rh
Verizon had some automatic script that comments out your reverse DNS entries
if it finds your server offline. I guess when the T1 line was out last weekend
it hit and killed the entries in the main ip block.


Case closed... But I think I should have been notified of this change, as I
already get a notice everytime the T1 goes offline.



Thanks for everyones help, as it is a lot easier to look at DNS from several
locations.


--
MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't!!!!

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