DNSWHOIS.INFO - b21.dtnet.de

Search for IP or hostnames:

b21.dtnet.de checked at 2025-11-19T12:05:14.903Z 356ms 36/36/36 100% R:13 allDone:true timedOut:false

`b21.dtnet.de`

MX	`extmail.dtnet.de`
		A	87.193.12.202^{🇩🇪 PLUSNET}
			PTR	`extmail.dtnet.de`

`dtnet.de`

	MX	`extmail.dtnet.de`
	NS	`dns1.lf.net`
	NS	`dns2.lf.net`
	NS	`dns3.lf.net`
	A	62.50.96.77^{🇩🇪 LFNET-AS01}

Starts with same word

b21.mobi

b21.me

b21.ph

b21.hu

b21.ag

b21.io

b21.ca

b21.be

b21.org

b21.fr

b21.eu

b21.co

b21.pl

b21.de

b21.cz

b21.com

Starts similarily

b21.co

2b1.net

b21.pl

21b.cc

21b.cn

2b1.in.th

2b1.us

b12.cz

b12.co

b21.de

12b.ch

b21.cz

b12.info

12b.at

b21.com

b12.pl

21b.de

2b1.it

b12.hu

b12.dk

b12.sk

b12.mobi

b12.work

2b1.fr

b12.net

2b1.nl

21b.org

b12.jo

b12.com.tr

b21.mobi

b21.me

2b1.ru

b21.ph

b21.hu

2b1.co.uk

b12.delivery

2b1.ch

2b1.cn

b12.by

12b.org

b12.nu

12b.ru

b12.com

2b1.org

b12.de

2b1.co.kr

1b2.com

1b2.org

b12.io

2b1.com

1b2.eu

b12.biz

b12.se

1b2.biz

b12.lv

b21.ag

b12.ru

b12.cl

b12.ag

12b.cc

b21.io

b21.ca

2b1.world

b12.no

b21.be

b21.org

b12.us

1b2.net

12b.com

b12.it

2b1.de

2b1.dk

1b2.de

b12.org

b12.fr

21b.co.nz

12b.be

b21.fr

21b.net

b21.eu

AI analysis

b21.dtnet.de is handled by a single mail server, extmail.dtnet.de.

b21.dtnet.de uses the same mail server configuration as other domains, such as dz.dtnet.de, d5.dtnet.de, forum1.dtnet.de, b23.dtnet.de and *.dtnet.de.

b21.dtnet.de shares mail servers with other domains, at least partially, for instance infinis.de and dtnet.com.

These mail servers are often used together with the mail servers pmx01.mail.lf.net.

extmail.dtnet.de points to a single IP: 87.193.12.202.

dbq