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 86318d1789b8a4d45723860178ea61e5.0191633d726b598f3aeee2b526afaffd.zld58up5vutr5hk5j5b5.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .
Instead, try zone transfer on sectigo.com .