WWW.RTSAK.COM - head.cfa.harvard.edu

Search for IP or hostnames:

head.cfa.harvard.edu checked at 2025-10-11T15:48:26.586Z 338ms 88/88/88 100% R:18

`head.cfa.harvard.edu`

MX	`aspmx2.googlemail.com`
		A	2a00:1450:4013:c1e::1a ^{🇳🇱 Google}
			PTR	`yugrqzs-in-f26.1e100.net`
		A	192.178.213.27^{🇺🇸 Google}
			PTR	`yugrqzs-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`
		A	2a00:1450:4025:c01::1a ^{🇵🇱 Google}
			PTR	`rd-in-f26.1e100.net`
		A	142.250.147.27^{🇺🇸 Google}
			PTR	`rd-in-f27.1e100.net`
MX	`aspmx.l.google.com`
		A	2a00:1450:400c:c1f::1b ^{🇧🇪 Google}
			PTR	`wi-in-f27.1e100.net`
		A	74.125.133.26^{🇺🇸 Google}
			PTR	`wo-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`
		A	2a00:1450:4013:c1e::1a ^{🇳🇱 Google}
			PTR	`yugrqzs-in-f26.1e100.net`
		A	192.178.213.26^{🇺🇸 Google}
			PTR	`yugrqzs-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`
		A	2a00:1450:4025:c01::1a ^{🇵🇱 Google}
			PTR	`rd-in-f26.1e100.net`
		A	142.250.147.27^{🇺🇸 Google}
			PTR	`rd-in-f27.1e100.net`
A	131.142.41.8^{🇺🇸 HARVARDNET}
		PTR	`head.cfa.harvard.edu`

`cfa.harvard.edu`

	MX	`aspmx2.googlemail.com`
	MX	`aspmx3.googlemail.com`
	NS	`a1-171.akam.net`
	NS	`a10-66.akam.net`
	NS	`a11-67.akam.net`
	NS	`a16-64.akam.net`
	NS	`a6-66.akam.net`
	NS	`a7-65.akam.net`
	MX	`aspmx.l.google.com`
	MX	`alt1.aspmx.l.google.com`
	MX	`alt2.aspmx.l.google.com`
	A	104.20.19.56^Cloudflare
	A	172.66.165.88^{🇺🇸 Cloudflare}

PTR for

8.41.142.131.in-addr.arpa

Starts with same word

head.cl

head.la

head.company

head.life

head.pro

head.ro

head.black

head.by

head.guide

head.tv

head.es

head.nu

head.biz

head.be

head.com.br

head.com

head.bg

head.info

head.guru

head.exchange

head.fi

head.de

head.cz

head.photography

head.lt

head.hk

head.city

head.coach

head.nl

head.ru

head.net

head.se

head.eu

head.bio

head.ie

head.us

head.fyi

head.tel

head.agency

head.im

head.ws

head.bz

head.doctor

head.rocks

head.associates

head.at

head.it

head.no

head.ch

head.support

head.camera

head.co.uk

head.ca

Starts similarily

dhea.com.ar

head.ro

adeh.me

dahe.tv

dahe.com.tw

head.black

dahe.de

ahde.org

head.by

eahd.org

eadh.com

ahde.se

edah.sk

adeh.pl

heda.se

ehda.com

ehad.by

heda.biz

heda.no

dhea.ch

eahd.com

head.guide

head.tv

edah.de

head.es

heda.al

dhea.nl

hade.nl

hade.eu

hade.se

adhe.ru

deah.de

deha.pl

heda.es

hade.cz

heda.ru

dhea.fr

deha.com

head.nu

hade.com.pl

dahe.co.kr

dhea.de

heda.com.gr

adeh.nl

head.biz

head.be

hade.pl

edah.us

heda.co.za

dhea.at

deha.org

head.com.br

adeh.de

head.com

head.bg

aehd.de

hade.co.id

head.info

dhea.co

head.guru

deha.vn

head.exchange

ahed.com

ehad.net

edha.nl

deha.co.jp

adeh.in

dahe.in

head.fi

dahe.cn

adeh.eu

heda.si

ahde.com

eadh.org

haed.ru

ehda.ir

deha.at

hade.us

head.de

heda.com.ua

hade.org

adhe.de

edah.ru

heda.cn

haed.edu.gr

deha.no

head.cz

head.photography

dhea.store

eahd.fr

adhe.se

deha.de

hade.be

head.lt

adhe.eu

adhe.net

head.hk

haed.eu

dhea.dk

head.city

AI analysis

head.cfa.harvard.edu points to a single IP: 131.142.41.8.

Five mail servers handle head.cfa.harvard.edu: 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, such as 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 2a00:1450:4013:c1e::1a and 192.178.213.27

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

aspmx.l.google.com points to 2a00:1450:400c:c1f::1b and 74.125.133.26

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

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

Host names pointing to 2a00:1450:4013:c1e::1a: aspmx2.googlemail.com and alt1.aspmx.l.google.com

Host names pointing to 2a00:1450:4025:c01::1a: aspmx3.googlemail.com and alt2.aspmx.l.google.com

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

dbq