SOA Record Analysis: Version Number

What field represents the version number in an SOA record?

A. Serial

B. Refresh

C. Retry

D. Expire

E. Minimum

The version number in an SOA record is represented by which field?

The version number in an SOA record is represented by the "Serial" field.

When analyzing an SOA (Start of Authority) record, the version number is crucial information that helps identify the number of times the zone file has been modified or updated. In an SOA record, the version number is stored in the "Serial" field.

The format of an SOA record typically includes the following fields:

  • Domain
  • SOA
  • Primary-NS
  • Contact-NS
  • Serial
  • Refresh
  • Retry
  • Expire
  • Minimum

Among these fields, the "Serial" field specifically contains the version number, which is a numeric value indicating the number of times the zone file has been updated. This value is essential for tracking changes and ensuring proper synchronization of DNS information across servers.

Therefore, when analyzing an SOA record, always pay close attention to the "Serial" field to identify the version number and maintain accurate DNS records.

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