B8592D049D2F03054718D56A36222F53.6614415A61A6584D145F6A5EBFF93470.t0535454001701320733.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 B8592D049D2F03054718D56A36222F53.6614415A61A6584D145F6A5EBFF93470.t0535454001701320733.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .