Summary
ns.hm.com has one IP number , which also has a corresponding reverse pointer.
hm.ly,
hm.nu,
hm.se,
h-m.gy,
h-m.sd and at least 100 other hosts use this as a nameserver.
hm.com is delegated to three nameservers, however one extra nameserver is listed in the zone. All of them are on different IP networks. Incoming mail for
hm.com is handled by two mailservers at
hm.com themselves. They are on the same IP network.
hm.com has one IP number.
ns.hm.com is hosted on a server in Sweden.