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Authored by Spirillen on Feb 21 2021, 12:06 AM. 86400 IN SOA 2021021801 3600 600 1209600 3600 IN NS IN NS IN A IN A IN A 86400 IN MX 10

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Spirillen created this object with visibility "Public (No Login Required)".

The SOA record is the key informations for any given DNS zone and should be understood in the following way

  • SOA, this is where META information for the zone is
    • 86400 Time to live (TTL)
    • The authoritative master DNS server for this domain
    • E-Mail address for who is in charge for
    • 2021021801 a uniq key used to compare between AUTH and recurser server. If this number have crown (Should never be lowered), then there are changes to the zone records, and a refresh of zone data is required. (Fetch zone on new)
    • 3600 refresh, check for changes
    • 600 retry, if failed to connect
    • 1209600 expire, purge all stored data, if unable to update.
    • 3600 default_ttl

This zone is a direct refrence to RFC:2606: RFC:5737: