Start Of Authority resource.

Constants

TypeValue = 6

Attributes

[R] minimum

The minimum number of seconds to be used for TTL values in RRs.

[R] expire

Time in seconds that a secondary name server is to use the data before refreshing from the primary name server.

[R] retry

How often, in seconds, a secondary name server is to retry after a failure to check for a refresh.

[R] refresh

How often, in seconds, a secondary name server is to check for updates from the primary name server.

[R] serial

The version number of the zone file.

[R] rname

The person responsible for this domain name.

[R] mname

Name of the host where the master zone file for this zone resides.

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