Simple DNS Plus

Simple DNS Plus v. 5.2 build 130 released

Simple DNS Plus v. 5.2 build 130 is now available at

This release includes the following bug fix:

  • Fixed: Failed to zone transfer zones containing NSEC3 records with zero length type bit map.

Generally, this situation (an NSEC3 records having a zero length type bit map) should never happen as there is not much point in having an NSEC3 record covering no types. However we have seen this "in the wild" in a setup where the primary is a Microsoft DNS server.

This is NOT a critical update, and you only need to update if you are affected by the issue described above.

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