Web and technology
SOA
Abbreviation for Start of Authority
In short and in plain language
SOA is a record in the domain name system.
It holds basic facts about the zone of a domain.
This includes the name server in charge. It also includes details on how the zone is updated.
The record also plays a part when the records are signed digitally.
Definition
SOA refers to a DNS record that holds basic information about a domain zone. This includes the responsible name server and details on how the zone is updated. The record is also taken into account when signing with DNSSEC.