Sn (the tld of Senegal) is a domain controlled by five domain name servers at ird.fr, ripe.net, ucad.sn, sonatel.sn and nic.fr having a total of seven IP numbers. All seven of them are on different IP networks.
Nic.yt, gob.gq, org.ht, ceiba.gq, nro.net and at least 186 other hosts share name servers with this domain. Canalhorizons.sn, ugb.sn, lasa.sn, pasteur.sn, 74.154.213.in-addr.arpa and at least 15 other hosts share name servers under another name with this domain. Sn.kz, sn.lv, sn.nl, sn.me, sn.ws and at least 66 other hosts are similar domain names.
Also check www.sn.
Half of the about seventy domains that use the three name servers ns1, ns2 and ns3.nic.fr together, hereafter referred to as "name server group 1", point only to the IP number 192.134.4.49 (example: french-reconnexion.net, frenchreconnexion.com and thefrenchreconnection.net ).
There are about seventy domains that use the name server ns1.ird.fr.
nahouri.onatel.bf, ns1.ird.fr, ns1.as6453.net and ns2.as6453.net together (example: 156.52.212.in-addr.arpa, 99.138.41.in-addr.arpa and 141.52.212.in-addr.arpa ).ns.nic.ci, ns1.nic.ci, phloem.uoregon.edu, ns1.ird.fr, ns-ci.afrinic.net, ci.hosting.nic.fr and ci.cctld.authdns.ripe.net together (example: ci, gouv.ci and or.ci ).ns1.ird.fr, ns4.ird.fr and ns1.mpl.ird.fr together (example: ird.ci, 35.203.91.in-addr.arpa and 14.83.195.in-addr.arpa ).There are about fourty domains that use the name server ns.ucad.sn.
phloem.uoregon.edu, bow.intnet.gq, dns.intnet.gq and ns.ucad.sn together (example: ungefcm.gq, equatorialguinea.gq and republicadeguineaecuatorial.gq ).askia.sotelma.ml, ciwara.sotelma.ml, dogon.sotelma.ml, mande2.sotelma.ml and ns.ucad.sn together (example: edu.ml, org.ml and co.ml ).ns.ucad.sn only (but neither askia, ciwara, dogon nor mande2.sotelma.ml ) (example: ucad.edu.sn, senchix.sn and sist.sn ).There are several hundred of domains that use the name server ns3.nic.fr.
ns3.nic.fr, sec1.apnic.net, sec3.apnic.net, tinnie.arin.net, sns-pb.isc.org and pri.authdns.ripe.net together (example: 9.0.193.in-addr.arpa, 6.1.1.0.0.2.ip6.arpa and e164.arpa ).ns3.nic.fr, ns1.renater.fr and ns2.renater.fr together (example: 53.50.193.in-addr.arpa, 7.51.193.in-addr.arpa and 227.49.193.in-addr.arpa ).0.9.5.e164.arpa, afnic.re and french-reconnexion.com ).