DNSWHOIS.INFO - 21.is.apple.com

Search for IP or hostnames:

21.is.apple.com checked at 2025-12-01T04:19:00.873Z 203ms 63/63/63 100% R:10 allDone:true timedOut:false

`21.is.apple.com`

MX	`mx-in-hfd.apple.com`
		A	17.57.165.2^{🇺🇸 Apple Inc.}
			PTR	`mx-in-hfd.apple.com`
MX	`mx-in-ma.apple.com`
		A	17.171.208.6^{🇺🇸 Apple Inc.}
			PTR	`mx-in-ma.apple.com`
MX	`mx-in-rn.apple.com`
		A	17.56.176.6^{🇺🇸 Apple Inc.}
			PTR	`mx-in-rn.apple.com`
MX	`mx-in-sg.apple.com`
		A	17.23.14.18^{🇺🇸 Apple Inc.}
			PTR	`mx-in-sg.apple.com`
MX	`mx-in-vib.apple.com`
		A	17.57.170.2^{🇺🇸 Apple Inc.}
			PTR	`mx-in-vib.apple.com`
MX	`mx-in.g.apple.com`
		A	17.56.176.6^{🇺🇸 Apple Inc.}
			PTR	`mx-in-rn.apple.com`

`is.apple.com`

	MX	`mx-in-hfd.apple.com`
	MX	`mx-in-ma.apple.com`
	MX	`mx-in-rn.apple.com`
	MX	`mx-in-sg.apple.com`
	MX	`mx-in-vib.apple.com`
	MX	`mx-in.g.apple.com`

Up

gpsa.21.is.apple.com

Starts with same word

21.ee

21.tv

21.partners

21.to

21.ie

21.photos

21.cc

21.fr

21.by

21.com.es

21.life

21.run

21.pw

21.org.cn

21.chat

21.net

21.game

21.la

21.ag

21.diamonds

21.cn

21.de

21.training

21.ca

21.org

21.co.uk

21.vc

21.am

21.rs

21.com

21.bet

21.center

21.kz

21.web.app

21.su

21.network

21.si

21.ph

21.is

21.be

21.com.ua

21.pe

21.edu.ar

21.gg

21.capital

21.dk

21.email

21.sk

21.immo

21.cz

21.style

21.nl

21.agency

21.co

21.biz

21.lv

21.ru

21.co.za

21.finance

21.ax

21.nu

21.business

21.casino

21.pl

Starts similarily

12.s3.amazonaws.com

21.web.app

21.su

21.network

21.si

21.ph

12.lv

21.is

21.be

21.com.ua

12.cl

12.ph

12.ma

12.rs

21.pe

21.edu.ar

21.gg

21.capital

12.de

12.in-addr.arpa

21.dk

12.ag

21.email

12.kz

12.ie

12.com.ua

21.sk

12.cz

21.immo

12.eu

21.cz

12.uk

21.style

12.dk

21.nl

21.agency

12.org.ru

12.nu

21.co

21.biz

21.lv

21.ru

21.co.za

12.ai

21.finance

21.ax

12.amsterdam

12.fr

21.nu

21.business

12.vc

21.casino

21.pl

21.ee

12.am

12.agency

12.digital

12.ac.cn

12.lt

21.tv

12.si

21.partners

21.to

21.ie

21.photos

21.cc

12.be

12.fi

12.cc

12.is

21.fr

12.chat

21.by

12.solutions

12.dyndns.tv

21.com.es

21.life

12.cm

21.run

21.pw

12.world

21.org.cn

12.by

21.chat

21.net

12.org.ua

12.works

21.game

12.uz

21.la

21.ag

21.diamonds

21.cn

21.de

21.training

12.com.pl

12.com

21.ca

12.ca

21.org

12.sh.cn

12.ru

21.co.uk

12.limo

21.vc

21.am

12.biz

21.rs

12.to

21.com

12.net

12.la

21.bet

12.at

21.center

21.kz

12.ws

AI analysis

21.is.apple.com is the parent of gpsa.21.is.apple.com.

21.is.apple.com is served by six mail servers: mx-in-hfd.apple.com, mx-in-ma.apple.com, mx-in-rn.apple.com, mx-in-sg.apple.com, mx-in-vib.apple.com and mx-in.g.apple.com.

21.is.apple.com shares some mail servers with other domains, at least partially, for instance prbriefing.apple.com, truecomp.apple.com, 1-$apps.apple.com, privftp-nwk.apple.com and a17-104-206-31.apple.com.

These mail servers are commonly used alongside mx-in-mdn.apple.com and mx-in-rno.apple.com.

Host names with a single IP address:

mx-in-hfd.apple.com points to: 17.57.165.2.

mx-in-ma.apple.com points to: 17.171.208.6.

mx-in-rn.apple.com points to: 17.56.176.6.

mx-in-sg.apple.com points to: 17.23.14.18.

mx-in-vib.apple.com points to: 17.57.170.2.

mx-in.g.apple.com points to: 17.56.176.6.

Host names that point to 17.56.176.6: mx-in-rn.apple.com and mx-in.g.apple.com.