📇 Reverse RNAME Lookup
Find all domains with the same responsible contact
Found 2 domains matching postmaster.bystrup.net
DomainPrimary NS (MNAME)
sisubasketball.dk ns.bystrup.net View →
sisufoto.dk ns.bystrup.net View →
dhd.dk [/] search Domains, Hosts & DNS — .dk zone