712A6B5B8C440690714E5E8239BF57AB.73E1D2B4D257107BA81A9333D9B27CD8.713061485.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 712A6B5B8C440690714E5E8239BF57AB.73E1D2B4D257107BA81A9333D9B27CD8.713061485.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .