18da4b01d7b20720557021f41f18a223.250998d9e6cc49a6881162c661b789a1.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 18da4b01d7b20720557021f41f18a223.250998d9e6cc49a6881162c661b789a1.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .