Summary
f.dnsvr.com has one IP number , which also has a corresponding reverse pointer.
dl.am,
imd.it,
zaz.com,
hcn.org,
grq.net and at least 100 other hosts use this as a nameserver.
dnsvr.com is a domain controlled by four nameservers at
dnsvr.com themselves. All of them are on different IP networks. Incoming mail for
dnsvr.com is handled by three mailservers also at
dnsvr.com. All of them are on different IP networks.
f.dnsvr.com is hosted on a server in United States.