Domain’s name server number does not meet recommendations

Impact: High
Common error ID: wxa-1012

What this means

It is recommended to have between 2 to 7 name servers for redundancy and reliability. Having fewer than 2 or more than 7 can lead to issues. We generally only report when the number of name servers is 1, as this is more of a concern than having more than 7.

Why this is a problem

Having a single name server is a single point of failure, while having too many can complicate DNS management and increase the risk of misconfiguration.

How to check if the problem is still there

Use the dig command to list the NS records and count the number of name servers.

Example

dig ns example.gov.uk +short

ns1.example.com
ns2.example.com

If the number of name servers is outside the 2-7 range, the problem remains.

How to fix it

Add additional name servers if there are fewer than 2, or remove some if there are more than 7.