CF1761700508701-tsm20251027103946

WWW.RTSAK.COM - 21er.org

Search for IP or hostnames:

21er.org checked at 2025-10-29T01:15:08.682Z 542ms 66/66/66 100% R:20

21er.org

MXmail.21er.org
A2a03:4000:36:4d1::1 🇩🇪 netcup-AS
PTRmail.21er.org
A213.109.163.247🇩🇪 netcup-AS
PTRmail.21er.org
NSns1.21er.org
A213.109.163.247🇩🇪 netcup-AS
PTRmail.21er.org
NSns3.21er.org
A202.61.246.161🇦🇹 netcup-AS
PTRv2202102103936143820.happysrv.de
A2a03:4000:36:4d1::1 🇩🇪 netcup-AS
PTRmail.21er.org
A213.109.163.247🇩🇪 netcup-AS
PTRmail.21er.org

org

NSa0.org.afilias-nst.info
NSa2.org.afilias-nst.info
NSc0.org.afilias-nst.info
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSd0.org.afilias-nst.org

Up

Starts with same word

Starts similarily

AI analysis

21er.org is a parent of ns3.21er.org, ns1.21er.org, ns2.21er.org and mail.21er.org.

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

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

21er.org's delegation is to two name servers ns1.21er.org and ns3.21er.org.

Host names with a single IP:

ns1.21er.org resolves to 213.109.163.247.

ns3.21er.org resolves to 202.61.246.161.

21er.org is served by a single mail server, mail.21er.org.

Hostname mail.21er.org resolves to two IPs: 2a03:4000:36:4d1::1 and 213.109.163.247.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

XzIiChH CF johedugfp 2025-10-29