auth5.dns.cogentco.com

auth5.dns.cogentco.com has one IP record . 80.91.64.50 reverses to this hostname. plt.org, awc.org, psi.com, pva.org, agf.com and at least 100 other hosts use this as a nameserver.

base	record	name	ip	reverse	route	as
auth5.dns.cogentco.com	a		80.91.64.50	auth5.dns.cogentco.com	80.91.64.0/19 Cogent Communications Espana, S.A.	AS174 COGENT /PSI
dns.cogentco.com	ns	auth1.dns.cogentco.com	66.28.0.14	auth1.dns.cogentco.com	66.28.0.0/16 Cogent
		auth2.dns.cogentco.com	66.28.0.30	auth2.dns.cogentco.com
		auth4.dns.cogentco.com	80.245.32.74	auth4.dns.cogentco.com	80.245.32.0/19 Cogent Communications France S.A.S.
		auth5.dns.cogentco.com	80.91.64.50	auth5.dns.cogentco.com	80.91.64.0/19 Cogent Communications Espana, S.A.

cogentco.com com