Ec (the tld of Ecuador) is a domain controlled by four domain name servers at isc.org, dns.ec and nic.ec having a total of eight IP numbers. All eight of them are on different IP networks.
Dns.ec, penn.edu, resource.org, kasworks.com, org.nr and at least 99 other hosts share name servers with this domain. Ec.gs, ec.pe, ec.cn, ec.org, ec.pl and at least 52 other hosts are similar domain names.
Also check www.ec.
All of the 15 domains that use the name server n3.dns.ec use the four name servers n3.dns.ec, n1.nic.ec, n2.nic.ec and sns-pb.isc.org together (example: mil.ec, com.ec and med.ec ).
There are several hundred of domains that use the name server sns-pb.isc.org.
ns3.nic.fr, sec1.apnic.net, sec3.apnic.net, tinnie.arin.net, sns-pb.isc.org and pri.authdns.ripe.net together (example: k.ripe.net, 12.0.193.in-addr.arpa and 176.in-addr.arpa ).sns-pb.isc.org and ns1.media.org together (example: invisible.net, sixes.net and hall.org ).dns.bsdhost.net and sns-pb.isc.org together (example: wittylink.com, kasmail.com and caldream.com ).