DNS.NINJA - auth1.dns.cogentco.com

Search for IP or hostnames:

auth1.dns.cogentco.com checked at 2025-07-08T05:18:00.364Z 133ms 33/33/33 100% R:11

`auth1.dns.cogentco.com`

A	2001:550:1:a::d ^{🇺🇸 Cogent Communications, Inc.}
		PTR	`auth1.dns.cogentco.com`
A	66.28.0.14^{🇺🇸 Cogent Communications, Inc.}
		PTR	`auth1.dns.cogentco.com`

`dns.cogentco.com`

	NS	`auth1.dns.cogentco.com`
	NS	`auth2.dns.cogentco.com`

0
2
(PTR)	`d.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.a.0.0.0.1.0.0.0.0.5.5.0.1.0.0.2.ip6.arpa`
(PTR)	`14.0.28.66.in-addr.arpa`
4311
(NS)	`48.88.38.in-addr.arpa`
(NS)	`1.0.208.in-addr.arpa`
(NS)	`qzo03.atlas.cogentco.com`
(NS)	`213.38.in-addr.arpa`
(NS)	`178.98.38.in-addr.arpa`
(NS)	`186.38.in-addr.arpa`
(NS)	`155.38.in-addr.arpa`
(NS)	`193.98.38.in-addr.arpa`
(NS)	`229.38.in-addr.arpa`
(NS)	`250.57.154.in-addr.arpa`
(NS)	`73.38.in-addr.arpa`
(NS)	`mcdistribution.us`
(NS)	`barnard.edu`
(NS)	`89.117.130.in-addr.arpa`
(NS)	`136.126.38.in-addr.arpa`
(NS)	`224.71.66.in-addr.arpa`
(NS)	`27.208.38.in-addr.arpa`
(NS)	`ass.org.rs`
(NS)	`16.230.207.in-addr.arpa`
(NS)	`20.202.38.in-addr.arpa`
(NS)	`162.63.in-addr.arpa`
(NS)	`renegadetech.com`
(NS)	`139.117.38.in-addr.arpa`
(NS)	`93.115.209.in-addr.arpa`
(NS)	`65.73.38.in-addr.arpa`
(NS)	`237.105.38.in-addr.arpa`
(NS)	`canadahealthinfoway.org`
(NS)	`65.81.38.in-addr.arpa`
(NS)	`storscape.com`
(NS)	`octaxcol.com`
(NS)	`244.4.204.in-addr.arpa`
(NS)	`ard-gs.de`
(NS)	`tmsglobal.com`
(NS)	`130.44.154.in-addr.arpa`
(NS)	`broadworks.net`
(NS)	`68.38.in-addr.arpa`
(NS)	`200.164.205.in-addr.arpa`
(NS)	`191.133.38.in-addr.arpa`
(NS)	`93.149.in-addr.arpa`
(NS)	`13.154.in-addr.arpa`
(NS)	`106.100.38.in-addr.arpa`
(NS)	`250.102.38.in-addr.arpa`
(NS)	`176.12.207.in-addr.arpa`
(NS)	`173.38.in-addr.arpa`
(NS)	`161.161.in-addr.arpa`
(NS)	`218.164.205.in-addr.arpa`
(NS)	`rbb-text.de`
(NS)	`130.164.205.in-addr.arpa`
(NS)	`121.142.38.in-addr.arpa`
(NS)	`43.4.204.in-addr.arpa`
(NS)	`2.210.38.in-addr.arpa`
(NS)	`50.119.38.in-addr.arpa`
(NS)	`thepine.nyc`
(NS)	`36.198.38.in-addr.arpa`
(NS)	`62.245.80.in-addr.arpa`
(NS)	`167.38.in-addr.arpa`
(NS)	`47.162.65.in-addr.arpa`
(NS)	`218.122.38.in-addr.arpa`
(NS)	`12.98.38.in-addr.arpa`
(NS)	`128.43.154.in-addr.arpa`
(NS)	`98.129.38.in-addr.arpa`
(NS)	`3.6.206.in-addr.arpa`
(NS)	`225.92.38.in-addr.arpa`
(NS)	`32.43.154.in-addr.arpa`
(NS)	`famsi.org`
(NS)	`191.99.38.in-addr.arpa`
(NS)	`theupsstore.se`
(NS)	`ups-consulting.com`
(NS)	`186.125.38.in-addr.arpa`
(NS)	`nissincda.com`
(NS)	`52.111.38.in-addr.arpa`
(NS)	`55.146.38.in-addr.arpa`
(NS)	`25.100.38.in-addr.arpa`
(NS)	`12.220.38.in-addr.arpa`
(NS)	`202.192.38.in-addr.arpa`
(NS)	`127.160.38.in-addr.arpa`
(NS)	`13.207.in-addr.arpa`
(NS)	`204.194.38.in-addr.arpa`
(NS)	`138.164.63.in-addr.arpa`
(NS)	`91.38.in-addr.arpa`
(NS)	`65.234.199.in-addr.arpa`
(NS)	`191.254.205.in-addr.arpa`
(NS)	`183.228.38.in-addr.arpa`
(NS)	`rhec.edu`
(NS)	`129.104.38.in-addr.arpa`
(NS)	`rileywoodson.com`
(NS)	`ups.co.at`
(NS)	`249.108.38.in-addr.arpa`
(NS)	`178.38.in-addr.arpa`
(NS)	`173.113.38.in-addr.arpa`
(NS)	`iad01.dial.cogentco.com`
(NS)	`0.47.154.in-addr.arpa`
(NS)	`108.122.38.in-addr.arpa`
(NS)	`57.198.38.in-addr.arpa`
(NS)	`gbutler.com`
(NS)	`134.23.154.in-addr.arpa`
(NS)	`30.230.207.in-addr.arpa`
(NS)	`hermes-softlab.com`
(NS)	`126.99.38.in-addr.arpa`
(NS)	`165.254.205.in-addr.arpa`
0
0
2
(lm)	`auth1.co`
(lm)	`auth1.com`
5
(le)	`auth1.com`
(le)	`1auth.com`
(le)	`1utah.com`
(le)	`auth1.co`
(le)	`a1hut.com`

AI analysis

The name server for 48.88.38.in-addr.arpa, 1.0.208.in-addr.arpa, qzo03.atlas.cogentco.com, 213.38.in-addr.arpa, 178.98.38.in-addr.arpa, and several thousand other domains is auth1.dns.cogentco.com.

Commonly, auth2.dns.cogentco.com, nsa.ups.com, and nsb.ups.com are used in conjunction with auth1.dns.cogentco.com as the name server.

auth1.dns.cogentco.com points to two IP numbers: 2001:550:1:a::d and 66.28.0.14.

IP numbers are shared between auth1.dns.cogentco.com and other host names such as pri7.dns.psi.net, pri3.dns.psi.net, ns.psi.net, pri9.dns.psi.net, and pri4.dns.psi.net.

dbq