WWW.ROBTEX.COM - dns.cogentco.com

Search for IP or hostnames:

dns.cogentco.com checked at 2025-11-02T00:55:34.418Z 196ms 78/78/78 100% R:8

`dns.cogentco.com`

NS	`auth1.dns.cogentco.com`
		A	2001:550:1:a::d^{🇺🇸 COGENT}
			PTR	`auth1.dns.cogentco.com`
		A	66.28.0.14^{🇺🇸 COGENT}
			PTR	`auth1.dns.cogentco.com`
NS	`auth2.dns.cogentco.com`
		A	2001:550:1:b::d^{🇺🇸 COGENT}
			PTR	`auth2.dns.cogentco.com`
		A	66.28.0.30^{🇺🇸 COGENT}
			PTR	`auth2.dns.cogentco.com`

`cogentco.com`

	NS	`auth1.dns.cogentco.com`
	NS	`auth2.dns.cogentco.com`
	MX	`cogentco-com.mail.protection.outlook.com`
	A	2001:550:1::cc01^{🇺🇸 COGENT}
	A	38.100.128.10^{🇩🇪 COGENT}

rank #84499 globally
rank #42356 in the tld

Up

auth1.dns.cogentco.com

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auth0-na.dns.cogentco.com

auth2.dns.cogentco.com

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eu-res2.dns.cogentco.com

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res2.dns.cogentco.com

res1.dns.cogentco.com

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eu-res1.dns.cogentco.com

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AI analysis

dns.cogentco.com is a parent of auth1.dns.cogentco.com, auth3.dns.cogentco.com, auth0-na.dns.cogentco.com, auth2.dns.cogentco.com, auth0-eu.dns.cogentco.com and a few other host names.

Two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com handle delegation for dns.cogentco.com.

dns.cogentco.com uses the same name server setup as other domains, for example 14.149.in-addr.arpa, 126.13.149.in-addr.arpa, 82.61.209.in-addr.arpa, 52.137.205.in-addr.arpa and 131.6.149.in-addr.arpa.

dns.cogentco.com partially shares name servers with other domains; examples include 218.160.192.in-addr.arpa, upsjob.fr, 237.41.209.in-addr.arpa, daktronicscanada.com and deutschlandradio-hoerfunkrat.de.

These name servers are commonly used alongside nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.vodafone-ip.de, ns2.vodafone-ip.de, pulsar2.hbci.com, pulsar3.hbci.com, pulsar.hbci.com and dns.luminet.net.

Host names with two IP numbers:

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

auth2.dns.cogentco.com points to: 2001:550:1:b::d and 66.28.0.30

dbq