WWW.RTSAK.COM - mail.21er.org

Search for IP or hostnames:

mail.21er.org checked at 2025-10-30T22:37:13.410Z 536ms 36/36/36 100% R:12

`mail.21er.org`

A	2a03:4000:36:4d1::1 ^{🇩🇪 netcup-AS}
		PTR	`mail.21er.org`
A	213.109.163.247^{🇩🇪 netcup-AS}
		PTR	`mail.21er.org`

`21er.org`

	MX	`mail.21er.org`
	NS	`ns1.21er.org`
	NS	`ns3.21er.org`
	A	2a03:4000:36:4d1::1 ^{🇩🇪 netcup-AS}
	A	213.109.163.247^{🇩🇪 netcup-AS}

PTR for

247.163.109.213.in-addr.arpa

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.d.4.0.6.3.0.0.0.0.0.4.3.0.a.2.ip6.arpa

MX for

21er.org

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AI analysis

mail.21er.org serves as a mail server for 21er.org.

mail.21er.org has two IP numbers: 2a03:4000:36:4d1::1 and 213.109.163.247.

Other host names, for instance ns1.21er.org, 21er.org and ns2.21er.org share IP numbers with mail.21er.org.

dbq