8c145104379ec3168d81c28f146f830d.1fb4abcb2d446f54c098bbb4c10a3c7d.t0755101001716527550.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 8c145104379ec3168d81c28f146f830d.1fb4abcb2d446f54c098bbb4c10a3c7d.t0755101001716527550.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .