SOA (Start of Authority) Records
What is an SOA record?
An SOA record contains administrative information about a domain, including the primary name server, email of the domain administrator, and various timers for refreshing the zone.
Why do you need an SOA record?
The SOA record is essential for DNS zone management, ensuring proper functioning and synchronization of your domain.
SOA record structure
An SOA record includes the primary name server, hostmaster email, serial number, refresh rate, retry rate, expiration time, and TTL. Example: example.com. 3600 IN SOA ns1.example.com. hostmaster@example.com. 2021070101 3600 600 1209600 3600
How do you create an SOA record?
Log in to your DNS provider's management console, select your domain, and add a new SOA record. Enter the required administrative information and timers.
FAQs
The serial number is used to track changes to the DNS zone. It should be incremented with each update.
The refresh rate specifies how often secondary name servers should check for updates to the zone.
Yes, you can manually edit the SOA record, but ensure you understand each parameter to avoid misconfiguration.