CF1763535939416-tsm20251116095642

WWW.RTSAK.COM - barnard.edu

Search for IP or hostnames:

barnard.edu checked at 2025-11-19T07:05:39.338Z 1538ms 167/167/167 100% R:12 allDone:true timedOut:false

barnard.edu

MXaspmx2.googlemail.com
A2a00:1450:4013:c1e::1a πŸ‡³πŸ‡± Google
PTRyugrqzs-in-f26.1e100.net
A192.178.213.27πŸ‡ΊπŸ‡Έ Google
PTRyugrqzs-in-f27.1e100.net
MXaspmx3.googlemail.com
A2a00:1450:4025:c01::1b πŸ‡΅πŸ‡± Google
PTRrd-in-f27.1e100.net
A142.250.147.27πŸ‡ΊπŸ‡Έ Google
PTRrd-in-f27.1e100.net
MXaspmx4.googlemail.com
A2a00:1450:4025:402::1b πŸ‡³πŸ‡± Google
PTRrb-in-f27.1e100.net
A142.250.102.26πŸ‡ΊπŸ‡Έ Google
PTRrb-in-f26.1e100.net
MXaspmx5.googlemail.com
A2a00:1450:4013:c1e::1a πŸ‡³πŸ‡± Google
PTRyugrqzs-in-f26.1e100.net
A192.178.213.26πŸ‡ΊπŸ‡Έ Google
PTRyugrqzs-in-f26.1e100.net
NSext-ns1.columbia.edu
A128.59.1.1πŸ‡ΊπŸ‡Έ Columbia University
PTRext-ns1.columbia.edu
NSauth1.dns.cogentco.com
A2001:550:1:a::d πŸ‡ΊπŸ‡Έ COGENT
PTRauth1.dns.cogentco.com
A66.28.0.14πŸ‡ΊπŸ‡Έ COGENT
PTRauth1.dns.cogentco.com
NSauth2.dns.cogentco.com
A2001:550:1:b::d πŸ‡ΊπŸ‡Έ COGENT
PTRauth2.dns.cogentco.com
A66.28.0.30πŸ‡ΊπŸ‡Έ COGENT
PTRauth2.dns.cogentco.com
NSauth4.dns.cogentco.com
A2001:978:1:a::d πŸ‡ΊπŸ‡Έ COGENT
PTRauth4.dns.cogentco.com
A80.245.32.74πŸ‡ΊπŸ‡Έ COGENT
PTRauth4.dns.cogentco.com
NSauth5.dns.cogentco.com
A2001:978:1:b::d πŸ‡ΊπŸ‡Έ COGENT
PTRauth5.dns.cogentco.com
A80.91.64.50πŸ‡ͺπŸ‡Έ COGENT
PTRauth5.dns.cogentco.com
MXaspmx.l.google.com
A2607:f8b0:4004:c25::1a πŸ‡ΊπŸ‡Έ Google
PTRyuiadtq-in-f26.1e100.net
A64.233.180.27πŸ‡ΊπŸ‡Έ Google
PTRon-in-f27.1e100.net
PTRpe-in-f27.1e100.net
MXalt1.aspmx.l.google.com
A2607:f8b0:4023:100f::1a πŸ‡ΊπŸ‡Έ Google
PTRyudfwra-in-f26.1e100.net
A192.178.220.26πŸ‡ΊπŸ‡Έ Google
PTRyudfwra-in-f26.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:4025:c01::1b πŸ‡΅πŸ‡± Google
PTRrd-in-f27.1e100.net
A142.250.147.27πŸ‡ΊπŸ‡Έ Google
PTRrd-in-f27.1e100.net
A107.21.241.248πŸ‡ΊπŸ‡Έ Amazon
PTRec2-107-21-241-248.compute-1.amazonaws.com

edu

NSa.edu-servers.net
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NSm.edu-servers.net
rank #14158 globally
rank #463 in the tld

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Starts with same word

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AI analysis

The parent of bc-160-39-113-41.barnard.edu, guest-160-39-125-228.barnard.edu, fom.barnard.edu, reacting.barnard.edu, altdia-160-39-120-151.barnard.edu and a few other host names is barnard.edu.

barnard.edu resolves to a single IP: 107.21.241.248.

Other host names, for instance ultimate.barnard.columbia.edu, barnard.columbia.edu, physics.barnard.edu, ec2-107-21-241-248.compute-1.amazonaws.com and admissions.barnard.edu share IP numbers with barnard.edu.

barnard.edu delegates 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.

barnard.edu shares some name servers with other domains, for example 3.192.38.in-addr.arpa, 54.222.203.in-addr.arpa, 220.160.63.in-addr.arpa, 39.215.205.in-addr.arpa and 67.68.38.in-addr.arpa.

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

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

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 number

ext-ns1.columbia.edu points to 128.59.1.1

barnard.edu is handled by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

barnard.edu shares some mail servers with other domains, at least partially; for instance heliostech.fr, soberton.com, moow.co.uk, ironring.ca and agn.nl.

these mail servers are commonly used alongside alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with two IP numbers:

aspmx2.googlemail.com points to 2a00:1450:4013:c1e::1a and 192.178.213.27

aspmx3.googlemail.com points to 2a00:1450:4025:c01::1b and 142.250.147.27

aspmx4.googlemail.com points to 2a00:1450:4025:402::1b and 142.250.102.26

aspmx5.googlemail.com points to 2a00:1450:4013:c1e::1a and 192.178.213.26

aspmx.l.google.com points to 2607:f8b0:4004:c25::1a and 64.233.180.27

alt1.aspmx.l.google.com points to 2607:f8b0:4023:100f::1a and 192.178.220.26

alt2.aspmx.l.google.com points to 2a00:1450:4025:c01::1b and 142.250.147.27

Names pointing to 2a00:1450:4013:c1e::1a: aspmx2.googlemail.com and aspmx5.googlemail.com

Names pointing to 2a00:1450:4025:c01::1b: aspmx3.googlemail.com and alt2.aspmx.l.google.com

Names pointing to 142.250.147.27: aspmx3.googlemail.com and alt2.aspmx.l.google.com

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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