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ns-mdnhinc1.las.marchex.com has one IP number , which also has a corresponding reverse pointer. a.ns.56k.com, a.ns.wyp.net, a.ns.isleuth.com, ns1.klickerz.com, a.ns.whitepages.net and at least six other hosts point to the same IP. ns-mdnhinc1.las.marchex.com is hosted on a server in United States.

ns-mdnhinc1.las.marchex.com
a records
 
+ 66.116.109.47 66.116.96.0/19 AS23005 -
+ --- -
ip numbers of host
66.116.109.47
ptrs of ip numbers
ns-mdnhinc1.las.marchex.com
ip numbers using ptr to this host
66.116.109.47
hostnames sharing ip with a-records
a.ns.56k.com
a.ns.collegesonline.net
a.ns.countryfacts.com
a.ns.isleuth.com
a.ns.mexico-travel.com
a.ns.shop50states.com
a.ns.whitepages.net
a.ns.whiteyellowpages.com
a.ns.wyp.net
a.ns.yellowpagesworld.com
ns1.klickerz.com
domains using this as nameserver under another name
56k.com
air-islam.com
anal-sex-anal.com
baltimoreyellowbook.com
collegesonline.net
countryfacts.com
dallasyellowbook.com
denveryellowbook.com
fortlauderdaleyellowbook.com
fortmyersyellowbook.com
jacksonvilleyellowbook.com
marriedvegas.com
mexico-travel.com
naplesyellowbook.com
neworleansyellowbook.com
shop50state.com
shop50states.com
whitepages.net
wyp.net
yellowpagesworld.com