Solved

Some networks not recognizing recent DNS Name Server Changes

Posted on 2008-09-30
3
181 Views
Last Modified: 2012-05-05
I changed ISP's about 4 months ago which required changing the public address range I use. This included changing the IP addresses of my external  DNS servers. After changing the IP's I requested the changes through NetSol and all appeared to be well. There are however some networs that do not recognise the changes (my home ISP being one of them). I figured it would just take some time for the changes to fully proliferate but there are still some networks out there that are still unable to resolve our domain name. I don't know of anything I can do on my end to resolve this issue. Any ideas would be greatly appreciated.
0
Comment
Question by:LuckyFinns
3 Comments
 
LVL 11

Accepted Solution

by:
ecsrd earned 125 total points
ID: 22610453
Some ISPs use proxy caches for DNS lookups so they can avoid out-of-band network lookups (and not have to pay another ISP for the bandwidth) - this is not a legitimate practice, however they tend to get away with it until someone complains.  Quite often, a call to the ISP in question (or 2 or 3, until you actually get someone there with a bit of knowledge) will solve your problem.  Tell them their DNS cache is stale and it is preventing proper DNS record lookups.  (personally, I had this happen once and I had to threaten to report their behavior to CIRA before they fixed it).
0
 
LVL 12

Expert Comment

by:Steve
ID: 22612093
if its more than just a couple of obscure ISPs with the issue, Id say your problem was still with the method undertaken for the change..

have you done a whois against your domain name to verify which namervers are answering your domain name queries? , then run a dig against those name servers individually to make sure they ALL have the correct information ? perhaps your provider has a problem with glue records and has old stale data on one of their name servers ?
0
 

Author Closing Comment

by:LuckyFinns
ID: 31501799
Thanks for the tip. Old records appear to be the problem.
0

Featured Post

Technology Partners: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
ISP Change 14 70
AD Sites/AD Replication 11 49
Office 365 Public IP configuration on DNS ? 7 70
DNS CNAME records visibility on a web server 2 42
There have been a lot of times when we have seen the need to enter a large number of DNS entries in a forward lookup zone. The standard procedure would be to launch the DNS Manager console, create the Zone and start adding new hosts using the New…
BIND is the most widely used Name Server. A Name Server is the one that translates a site name to it's IP address. There is a new bug in BIND (https://kb.isc.org/article/AA-01272), affecting all versions of BIND 9 from BIND 9.1.0 (inclusive) thro…
In an interesting question (https://www.experts-exchange.com/questions/29008360/) here at Experts Exchange, a member asked how to split a single image into multiple images. The primary usage for this is to place many photographs on a flatbed scanner…
Attackers love to prey on accounts that have privileges. Reducing privileged accounts and protecting privileged accounts therefore is paramount. Users, groups, and service accounts need to be protected to help protect the entire Active Directory …

726 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question