The SOA serial is not in the YYYYMMDDnn date form.

SOA_SERIAL_NOT_DATE · Severity: Info

• InfoSOA_SERIAL_NOT_DATE

  The SOA serial is not in the YYYYMMDDnn date form.

  RFC 1912 section 2.2 recommends a date followed by a two-digit change number, such as 2026102701. Any increasing number works; many DNS services use a counter or a timestamp.

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_EXPIRE_SHORT The SOA expire is shorter than two weeks.
• 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.

All findings