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DNS Resolver Failure - Lookup failed, last 2 weeks.

My VPS Server has the following DNS Resolvers set

10.255.250.11

10.255.251.11

10.255.250.40

Cpanel has notified me for over 2 weeks now that it cant access 10.255.251.11 lookup has Failed.

Is anyone able to confirm the DNS Resolver IP addresses please?

1 ACCEPTED SOLUTION

I pulled 10.255.251.11, moved 10.255.250.40 to secondary, and added 8.8.8.8 (Google resolver) as the tertiary. I was then able to upgrade CPanel. There's a security alert for CPanel so it's important.

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4 REPLIES 4

same here

I pulled 10.255.251.11, moved 10.255.250.40 to secondary, and added 8.8.8.8 (Google resolver) as the tertiary. I was then able to upgrade CPanel. There's a security alert for CPanel so it's important.

View solution in original post

Thanks @Jon_H-C , I removed 10.255.251.11 put 10.255.250.40 as secondary and left tertiary blank as it was listed as optional.

 

Updated fine, I sat on the support chat for 2 hours, while doing other things, while an agent relayed messages between me and a "developer", apparently it was known issue and it was going to fix / update itself over night, that never happened so not sure what is going on. 

I just did the same as @Jon_H-C - should stop getting resolver failure alerts now.