postmaster.zen.co.uk. zen.co.uk.
Question and response
Question
dig mailcluster.zen.co.uk. RP
Answer
mailcluster.zen.co.uk. 86400 RP postmaster.zen.co.uk. zen.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0