dnscontrol/docs/_functions/domain/SOA.md

name	parameters
SOA	name ns mbox refresh retry expire minttl modifiers...

SOA adds an SOA record to a domain. The name should be @. ns and mbox are strings. The other fields are unsigned 32-bit ints.

{% capture example %}

D("example.com", REG_THIRDPARTY, DnsProvider("DNS_BIND"),
  SOA("@", "ns3.example.org.", "hostmaster.example.org.", 3600, 600, 604800, 1440),
);

{% endcapture %}

{% include example.html content=example %}

Notes:

• The serial number is managed automatically. It isn't even a field in SOA().
• Most providers automatically generate SOA records. They will ignore any SOA() statements.

There is more info about SOA in the documentation for the BIND provider.