df62af69f175f05d896557bb79eacf42.912c027f9456a02de8bfb391868d6342.768011525.sectigo.com IXFR zone transfer

Changes since SOA version

IXFR is a zone transfer request that returns changes since a specific SOA version. Enter the SOA version to request changes since then.

Not an apex domain The domain df62af69f175f05d896557bb79eacf42.912c027f9456a02de8bfb391868d6342.768011525.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .