Summary
qwest-gw-int.ptr.com has one IP number.
zke.com,
ykl.com,
xsl.com,
tbu.net,
xwo.com and at least 100 other hosts point to the same IP.
ptr.com is delegated to two nameservers, however both delegated nameservers are missing in the zone and two other nameservers are listed instead. There are two duplicated IP numbers. Some of them are on the same IP network.
ptr.com has one IP number.
qwest-gw-int.ptr.com is hosted on a server in United States.