whois dns.icann.org

L.root-servers.org point to the same IP and also shares name servers. Swan.lax.dns.icann.org point to the same IP. Iana.org and icann.org share both name servers and mail servers with this domain. Icann.asia, example.edu, icannmeeting.net, internetcorporationforassignednamesandnumbers.net, icannmeeting.org and at least 112 other hosts share name servers with this domain. Internetassignednumbersauthority.com, mcast.net, internetassignednumbersauthority.net, icannombudsman.org, iana.com and at least 108 other hosts share name servers under another name with this domain. Lroot.icann.org and gac.icann.org share mail servers with this domain.

Also check www.icann.org and icann.org.

The name server a.iana-servers.net

There are more than hundred domains that use the name server a.iana-servers.net.

• Two thirds of those use the four name servers a.iana-servers.net, b.iana-servers.net, c.iana-servers.net and ns.icann.org together, hereafter referred to as "name server group 1", (example: 231.in-addr.arpa, 31.4.199.in-addr.arpa and 193.91.199.in-addr.arpa ).
• One quarter of them use only the mail server pechora.icann.org (example: iana-servers.com, dnso.org and 230.in-addr.arpa ).
• Ten percent of them use the three name servers a, b and c.iana-servers.net together (but not ns.icann.org ), hereafter referred to as "name server group 2", (example: xn--11b5bs3a9aj6g, xn--9t4b11yi5a and xn--g6w251d ).
• Nine of them point to the two IP numbers 2001:500:88:200::22 and 192.0.43.22 together, hereafter referred to as "IP group 1", (example: icannombudsman.info, icann.mobi and icann-ombudsman.com ).

The name server ns.icann.org

There are about a hundred domains that use the name server ns.icann.org.

• Three quarter of those use name server group 1 (example: 188.77.208.in-addr.arpa, 183.253.199.in-addr.arpa and 94.7.199.in-addr.arpa ).
• A third of them use only the mail server pechora.icann.org (example: 227.in-addr.arpa, research.icann.org and 138.4.199.in-addr.arpa ).
• Eight of them use the five name servers a.iana-servers.net, b.iana-servers.net, c.iana-servers.net, d.iana-servers.net and ns.icann.org together (example: 0.3.8.2.0.0.0.0.0.2.6.2.ip6.arpa, 8.8.0.0.0.0.5.0.1.0.0.2.ip6.arpa and 0.b.2.2.0.0.0.0.0.2.6.2.ip6.arpa ).
• Seven of them point to IP group 1 (example: euralo.org and icannombudsman.com ).

The name server c.iana-servers.net

There are more than hundred domains that use the name server c.iana-servers.net.

• Half of those use name server group 1 (example: 45.0.192.in-addr.arpa, 182.253.199.in-addr.arpa and 239.in-addr.arpa ).
• One quarter of them use only the mail server pechora.icann.org (example: 235.in-addr.arpa, 234.in-addr.arpa and 233.in-addr.arpa ).
• Eleven percent of them use name server group 2 (example: xn--deba0ad, xn--hlcj6aya9esc7a and xn--0zwm56d ).
• Eleven of them point to IP group 1 (example: internetcorporationforassignednamesandnumbers.com and icann.com ).

The name server b.iana-servers.net

There are more than hundred domains that use the name server b.iana-servers.net.

• Half of those use name server group 1 (example: 37.0.192.in-addr.arpa, 225.in-addr.arpa and dnscert.net ).
• One quarter of them use only the mail server pechora.icann.org (example: urn.arpa, uri.arpa and 226.in-addr.arpa ).
• Eleven percent of them use name server group 2 (example: xn--80akhbyknj4f, xn--zckzah and 29.4.199.in-addr.arpa ).
• Nine of them point to IP group 1.

The four name servers a.iana-servers.net, b.iana-servers.net, c.iana-servers.net and ns.icann.org t…

There are about eighty domains that use name server group 1.

• A third of those use only the mail server pechora.icann.org (example: 133.43.199.in-addr.arpa, 224.in-addr.arpa and 238.in-addr.arpa ).
• Eight of them point to IP group 1.

The mail server pechora5.icann.org

All of the five domains that use the mail server pechora5.icann.org use the six mail servers pechora1, pechora3, pechora4, pechora5, pechora7 and pechora8.icann.org together, hereafter referred to as "mail server group 1".

The mail server pechora1.icann.org

All of the five domains that use the mail server pechora1.icann.org use mail server group 1.

The mail server pechora7.icann.org

All of the five domains that use the mail server pechora7.icann.org use mail server group 1.