CF1760161757570-tsm20251010183831

IPLIST.NET - tc.edu

Search for IP or hostnames:

tc.edu checked at 2025-10-11T05:49:17.546Z 452ms 147/147/147 100% R:13

tc.edu

NSext-ns1.columbia.edu
A128.59.1.1🇺🇸 Columbia University
PTRext-ns1.columbia.edu
NSauth1.dns.cogentco.com
A2001:550:1:a::d 🇺🇸 Cogent Communications, Inc.
PTRauth1.dns.cogentco.com
A66.28.0.14🇺🇸 Cogent Communications, Inc.
PTRauth1.dns.cogentco.com
NSauth2.dns.cogentco.com
A2001:550:1:b::d 🇺🇸 Cogent Communications, Inc.
PTRauth2.dns.cogentco.com
A66.28.0.30🇺🇸 Cogent Communications, Inc.
PTRauth2.dns.cogentco.com
NSauth4.dns.cogentco.com
A2001:978:1:a::d 🇺🇸 Cogent Communications, Inc.
PTRauth4.dns.cogentco.com
A80.245.32.74🇺🇸 Cogent Communications, Inc.
PTRauth4.dns.cogentco.com
NSauth5.dns.cogentco.com
A2001:978:1:b::d 🇺🇸 Cogent Communications, Inc.
PTRauth5.dns.cogentco.com
A80.91.64.50🇪🇸 Cogent Communications, Inc.
PTRauth5.dns.cogentco.com
MXaspmx.l.google.com
A2a00:1450:400c:c0a::1a 🇧🇪 Google
PTRwl-in-f26.1e100.net
PTRwl-in-x1a.1e100.net
A74.125.133.27🇺🇸 Google
PTRwo-in-f27.1e100.net
MXalt1.aspmx.l.google.com
A2a00:1450:4013:c1e::1b 🇳🇱 Google
PTRyugrqzs-in-f27.1e100.net
A192.178.213.26🇺🇸 Google
PTRyugrqzs-in-f26.1e100.net
MXalt2.aspmx.l.google.com
A2607:f8b0:4003:c30::1a 🇺🇸 Google
PTRyutulis-in-f26.1e100.net
A74.125.27.27🇺🇸 Google
PTRyutulis-in-f27.1e100.net
MXalt3.aspmx.l.google.com
A2a00:1450:4010:c0e::1a 🇫🇮 Google
PTRlu-in-f26.1e100.net
PTRlu-in-x1a.1e100.net
A74.125.131.27🇺🇸 Google
PTRlu-in-f27.1e100.net
MXalt4.aspmx.l.google.com
A2404:6800:4003:c06::1a 🇸🇬 Google
PTRsm-in-f26.1e100.net
A142.250.4.27🇺🇸 Google
PTRsm-in-f27.1e100.net
A34.196.195.67🇺🇸 Amazon
PTRec2-34-196-195-67.compute-1.amazonaws.com

edu

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rank #313597 globally
rank #2885 in the tld

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AI analysis

tc.edu is a parent of apply.tc.edu and www.tc.edu.

tc.edu points to IP number 34.196.195.67.

For instance, other host names tc.columbia.edu, postsecondaryresearch.org, ec2-34-196-195-67.compute-1.amazonaws.com, teacherscollege.edu and www.tc.edu share IP numbers with tc.edu.

tc.edu is delegated to five name servers: ext-ns1.columbia.edu, auth1.dns.cogentco.com, auth2.dns.cogentco.com, auth4.dns.cogentco.com and auth5.dns.cogentco.com.

tc.edu shares name servers with other domains at least partially, for example 174.137.204.in-addr.arpa, 134.140.38.in-addr.arpa, pdx02.atlas.cogentco.com, 207.134.195.in-addr.arpa and 103.38.in-addr.arpa.

these name servers are often used with the following: ext-ns2.columbia.edu, acme.ucc.cuny.edu, lavinia.cis.cuny.edu, ns10.customer.level3.net, ns1.nyp.org, ns2.nyp.org, ns15.customer.level3.net, apollo.cs.columbia.edu, sundog.ee.columbia.edu and diana.cs.columbia.edu.

Host names with two IPs:

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.

auth4.dns.cogentco.com points to: 2001:978:1:a::d and 80.245.32.74.

auth5.dns.cogentco.com points to: 2001:978:1:b::d and 80.91.64.50.

Host names with one IP:

ext-ns1.columbia.edu points to: 128.59.1.1.

Five mail servers handle tc.edu: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

tc.edu shares mail servers with other domains at least partially; for instance hiddenvalues.com, print-indoor.com, or.ly, nateforman.com and elariophotography.com.

These mail servers are often used alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2a00:1450:400c:c0a::1a and 74.125.133.27

alt1.aspmx.l.google.com points to 2a00:1450:4013:c1e::1b and 192.178.213.26

alt2.aspmx.l.google.com points to 2607:f8b0:4003:c30::1a and 74.125.27.27

alt3.aspmx.l.google.com points to 2a00:1450:4010:c0e::1a and 74.125.131.27

alt4.aspmx.l.google.com points to 2404:6800:4003:c06::1a and 142.250.4.27

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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