The SOA expire is shorter than two weeks.

SOA_EXPIRE_SHORT · Severity: Info

• InfoSOA_EXPIRE_SHORT

  The SOA expire is shorter than two weeks.

  Expire is how long secondaries keep answering when the primary cannot be reached. RFC 1912 section 2.2 suggests 2 to 4 weeks, so an outage of the primary does not take the zone down.

Reported by

• SOA record check
• Zone file checker

Available through the API

• SOA record check API
• Zone file checker API

Related findings

• Warning SOA_EXPIRE_BELOW_REFRESH The SOA expire is not longer than refresh plus retry.
• Info SOA_NEGATIVE_TTL_LONG The SOA minimum (negative caching TTL) is longer than three hours.
• Info SOA_NOT_FOUND The name has no SOA record, so it is not the apex of a zone.
• Info SOA_REFRESH_OUT_OF_RANGE The SOA refresh is outside 20 minutes to 12 hours.
• Warning SOA_RETRY_NOT_BELOW_REFRESH The SOA retry is not shorter than the refresh.
• Info SOA_SERIAL_NOT_DATE The SOA serial is not in the YYYYMMDDnn date form.

All findings