DNS Propagation Madness!

[n0risc]

I have WHM/Cpanel hosting 1 nameserver
I have WHM/DNS Only hosting 1 nameserver

What are the no no's of this configuration that may cause sporadic resolution misfires throughout the internet? Do I not sync zones with both Cpanels?

This is really driving me nuts!

 

[quietFinn]

I have WHM/Cpanel hosting 1 nameserver
I have WHM/DNS Only hosting 1 nameserver

What are the no no's of this configuration that may cause sporadic resolution misfires throughout the internet? Do I not sync zones with both Cpanels?

That does not tell all.

Are the name servers registered in the registrar and pointing to correct IP addresses?
Are there A records for the name servers, pointing to correct IP addresses?

 

[n0risc]

That does not tell all.

Are the name servers registered in the registrar and pointing to correct IP addresses?
Are there A records for the name servers, pointing to correct IP addresses?

Yes. ns1.foo.bar and ns2.foo.bar are pointed to both nameserver IP addresses which ns1.foo.bar resides on WHM/Cpanel, and ns2.foo.bar resides on WHM/DNS Only.

 

[cPanelMichael]

Hello

There are no inherit problems with this configuration. Keep in mind that it's not a good idea to sync zones from one hosting server to another in the event you add another cPanel server in the future.

Thank you.

 

[n0risc]

Hello

There are no inherit problems with this configuration. Keep in mind that it's not a good idea to sync zones from one hosting server to another in the event you add another cPanel server in the future.

Thank you.

I have synced the zones to the WHM/DNS Only server. Is this not a good idea to do? And would that cause the sporadic resolution outages? I have recently changed the scope of the cluster to standalone to troubleshoot this issue. I will report back. But please advise.

 

[cPanelMichael]

I have synced the zones to the WHM/DNS Only server. Is this not a good idea to do? And would that cause the sporadic resolution outages? I have recently changed the scope of the cluster to standalone to troubleshoot this issue. I will report back. But please advise.

It's fine to sync zones from a cPanel server used for hosting accounts to a cPanel DNS-Only server. In fact, that's the recommended configuration. I was referring to syncing zones from one hosting server to another hosting server in the event you plan to add additional hosting servers in the future. Could you elaborate on the resolution outages you are experiencing?

Thank you.

 

[n0risc]

Yes. I have about 26 zones on ns1.foo.bar and ns2.foo.bar that are synced through the cluster. WHM/Cpanel and WHM/DNS Only. All 26 zones when accessed from all over the world experience fluctuations in resolution, "Page Can't Be Displayed" because networks cannot resolve 100%. It's quite strange. Also, whatsmydns.net DNS propagation checker, among other web based tools give inconsistent results in resolution as well.

This is not a naked domain to www. issue either, as the naked domain and www. resolve.

I'm just dumbfounded really, as everything checks out.. Bind, named.conf /var/named/*.db look fine., Even spot checking of zones from the command line looks okay. # host and # dig commands as suggested on troubleshooting look okay.

The only other thing that it may be, but I don't know why, is it could be a serial # wrong someplace?

 

[cPanelMichael]

Feel free to open a support ticket so we can take a closer look:

Submit A Ticket

You can post the ticket number here so we can update this thread with the outcome.

Thank you.