1 Answer. The expire field in a SOA record is the upper limit, in seconds, that your secondary name servers are allowed to use the data before it expires for lack of getting a refresh. You normally do want this to be rather large, and the value of 3600000 seconds (about 42 days) comes straight out of RFC 1033.

What is SOA refresh value?

More Information About Dns Soa Refresh Value This value configures how often a name server should check it’s primary server to see if there has been any updates to the zone which it does by comparing Serial numbers. We issue a warning if it is less than 20 minutes or greater than 12 hours.

What is SOA in godaddy?

SOA is a locked DNS record, when you use custom nameservers the DNS here is no longer active. In theory the AWS nameservers should have the correct SOA for your domain.