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dns.cogentco.com is a domain controlled by four nameservers at dns.cogentco.com themselves. Some of them are on the same IP network. plt.org, awc.org, psi.com, uoit.ca, agf.com and at least 100 other hosts share nameservers with this domain. res2.dns.cogentco.com, res1.dns.cogentco.com, auth2.dns.cogentco.com, auth4.dns.cogentco.com, auth5.dns.cogentco.com and at least seven other hosts are subdomains to this hostname.

dns.cogentco.com
ns records
auth1.dns.cogentco.com
+ 66.28.0.14 66.28.0.0/16 AS174 -
+ --- -
auth2.dns.cogentco.com
+ 66.28.0.30 66.28.0.0/16 AS174 -
auth4.dns.cogentco.com
+ 80.245.32.74 80.245.32.0/19 AS174 -
auth5.dns.cogentco.com
+ 80.91.64.50 80.91.64.0/19 AS174 -

cogentco.com
a records
 
+ 38.100.128.10 38.0.0.0/8 AS174 -
ptr records
+ 38.100.128.11 38.0.0.0/8 AS174 -
ns records
auth1.dns.cogentco.com
+ 66.28.0.14 66.28.0.0/16 AS174 -
auth2.dns.cogentco.com
+ 66.28.0.30 66.28.0.0/16 AS174 -
auth4.dns.cogentco.com
+ 80.245.32.74 80.245.32.0/19 AS174 -
auth5.dns.cogentco.com
+ 80.91.64.50 80.91.64.0/19 AS174 -
mx records
backupmx1.mail.cogentco.com
+ 204.157.3.90 204.157.3.0/24 AS174 hhc-cust-mx.sys.cogentco.com
+ --- hhc-cust-mx.sys.cogentco.com
cogentco.com.s5a1.psmtp.com
+ 64.18.4.10 64.18.4.0/24 AS26910 s5a1.psmtp.com
+ --- s5a1.psmtp.com
cogentco.com.s5a2.psmtp.com
+ 64.18.4.11 64.18.4.0/24 AS26910 s5a2.psmtp.com
+ --- s5a2.psmtp.com
cogentco.com.s5b1.psmtp.com
+ 64.18.4.13 64.18.4.0/24 AS26910 s5b1.psmtp.com
+ --- s5b1.psmtp.com
cogentco.com.s5b2.psmtp.com
+ 64.18.4.14 64.18.4.0/24 AS26910 s5b2.psmtp.com
+ --- s5b2.psmtp.com
domains sharing nameservers
0.28.66.in-addr.arpa
100.38.in-addr.arpa
101.38.in-addr.arpa
103.38.in-addr.arpa
112.38.in-addr.arpa
113.38.in-addr.arpa
114.38.in-addr.arpa
115.38.in-addr.arpa
116.38.in-addr.arpa
117.38.in-addr.arpa
(only showing 10 results)
subdomains
*.dns.cogentco.com
auth1.dns.cogentco.com
auth2.dns.cogentco.com
auth3.dns.cogentco.com
auth4.dns.cogentco.com
auth5.dns.cogentco.com
eu-res1.dns.cogentco.com
eu-res2.dns.cogentco.com
iad-dialres1.dns.cogentco.com
ord-dialres1.dns.cogentco.com
(only showing 10 results)