Start of authority (SOA) is a resource record type that contains administrative information, such as global parameters and configuration of each DNS zone that is part of the domain for which the DNS server is responsible for name resolution. The definition and record format for SOA is defined in RFC 1035.
Figure 13.4: SOA resource record
The preceding screenshot is a sample capture of an SOA resource record. Each zone will have just one SOA record with the following details:
- Name of the zone: Defines the name of the zone within the domain.
- Primary nameserver: DNS master for the domain. This acts as the primary source of data records ...
