CF1761910536121-tsm20251029173950

DNSWHOIS.INFO - head.cfa.harvard.edu

Search for IP or hostnames:

head.cfa.harvard.edu checked at 2025-10-31T11:35:36.038Z 625ms 88/88/88 100% R:10

head.cfa.harvard.edu

MXaspmx2.googlemail.com
A2a00:1450:400b:c02::1b 🇮🇪 Google
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google
PTRdj-in-f27.1e100.net
MXaspmx3.googlemail.com
A2a00:1450:400c:c00::1a 🇧🇪 Google
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.27🇺🇸 Google
PTRws-in-f27.1e100.net
MXaspmx.l.google.com
A2607:f8b0:4004:c25::1a 🇺🇸 Google
PTRyuiadtq-in-f26.1e100.net
A172.253.62.27🇺🇸 Google
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com
A2a00:1450:400b:c02::1b 🇮🇪 Google
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google
PTRdj-in-f27.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:400c:c00::1b 🇧🇪 Google
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google
PTRws-in-f27.1e100.net
A131.142.41.8🇺🇸 HARVARDNET
PTRhead.cfa.harvard.edu

cfa.harvard.edu

MXaspmx2.googlemail.com
MXaspmx3.googlemail.com
NSa1-171.akam.net
NSa10-66.akam.net
NSa11-67.akam.net
NSa16-64.akam.net
NSa6-66.akam.net
NSa7-65.akam.net
MXaspmx.l.google.com
MXalt1.aspmx.l.google.com
MXalt2.aspmx.l.google.com
A104.20.19.56 Cloudflare
A172.66.165.88🇺🇸 Cloudflare

PTR for

Starts with same word

Starts similarily

AI analysis

head.cfa.harvard.edu resolves to one IP number: 131.142.41.8.

head.cfa.harvard.edu is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

head.cfa.harvard.edu shares some mail servers with other domains, at least partially, for instance bdcmagazine.com, inciregitim.com, noumena.com, unikeko.net and digim.xyz.

these mail servers are often used with aspmx4.googlemail.com, aspmx5.googlemail.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with two IPs:

aspmx2.googlemail.com points to 2a00:1450:400b:c02::1b and 172.253.116.27

aspmx3.googlemail.com points to 2a00:1450:400c:c00::1a and 173.194.76.27

aspmx.l.google.com points to 2607:f8b0:4004:c25::1a and 172.253.62.27

alt1.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.27

alt2.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27

Names pointing to 2a00:1450:400b:c02::1b: aspmx2.googlemail.com and alt1.aspmx.l.google.com

Names pointing to 172.253.116.27: aspmx2.googlemail.com and alt1.aspmx.l.google.com

Names pointing to 173.194.76.27: 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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AnWJMAQ CF johedugfp 2025-10-31