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:10head.cfa.harvard.edu
| MX | aspmx2.googlemail.com | ||||||
| A | 2a00:1450:400b:c02::1b 🇮🇪 Google | ||||||
| PTR | dj-in-f27.1e100.net | ||||||
| A | 172.253.116.27🇺🇸 Google | ||||||
| PTR | dj-in-f27.1e100.net | ||||||
| MX | aspmx3.googlemail.com | ||||||
| A | 2a00:1450:400c:c00::1a 🇧🇪 Google | ||||||
| PTR | ws-in-f26.1e100.net | ||||||
| PTR | ws-in-x1a.1e100.net | ||||||
| A | 173.194.76.27🇺🇸 Google | ||||||
| PTR | ws-in-f27.1e100.net | ||||||
| MX | aspmx.l.google.com | ||||||
| A | 2607:f8b0:4004:c25::1a 🇺🇸 Google | ||||||
| PTR | yuiadtq-in-f26.1e100.net | ||||||
| A | 172.253.62.27🇺🇸 Google | ||||||
| PTR | bc-in-f27.1e100.net | ||||||
| MX | alt1.aspmx.l.google.com | ||||||
| A | 2a00:1450:400b:c02::1b 🇮🇪 Google | ||||||
| PTR | dj-in-f27.1e100.net | ||||||
| A | 172.253.116.27🇺🇸 Google | ||||||
| PTR | dj-in-f27.1e100.net | ||||||
| MX | alt2.aspmx.l.google.com | ||||||
| A | 2a00:1450:400c:c00::1b 🇧🇪 Google | ||||||
| PTR | ws-in-f27.1e100.net | ||||||
| PTR | ws-in-x1b.1e100.net | ||||||
| A | 173.194.76.27🇺🇸 Google | ||||||
| PTR | ws-in-f27.1e100.net | ||||||
| A | 131.142.41.8🇺🇸 HARVARDNET | ||||||
| PTR | head.cfa.harvard.edu | ||||||
cfa.harvard.edu
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