WWW.ROBTEX.COM - 21c.biz
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21c.biz checked at 2025-10-07T21:57:35.263Z 1339ms 206/206/206 100% R:1221c.biz
biz
| NS | a.gtld.biz | ||||||
| NS | b.gtld.biz | ||||||
| NS | c.gtld.biz | ||||||
| NS | m.gtld.biz | ||||||
| NS | n.gtld.biz | ||||||
| NS | w.gtld.biz | ||||||
| NS | x.gtld.biz | ||||||
| NS | y.gtld.biz | ||||||
Starts with same word
21c.or.kr |
21c.net |
21c.nl |
21c.us |
21c.xin |
21c.me |
21c.ru |
21c.it |
21c.com |
21c.org |
21c.jp |
21c.community |
21c.biz |
21c.or.jp |
21c.tc |
21c.ca |
21c.online |
21c.pl |
21c.de |
21c.email |
21c.co.uk |
Starts similarily
AI analysis
21c.biz points to a single IP: 82.29.156.86.
Other host names, for instance mcrev.net, share IP numbers with 21c.biz.
21c.biz's delegation is to two name servers dns1.registrar-servers.com and dns2.registrar-servers.com.
21c.biz shares the same name server configuration as other domains, such as pcsmartservices.com, douglasbutterfield.com, reponer.com, strager.net and gabali.us.
21c.biz at least partially shares its name servers with other domains, for instance automlm.com, dexious.com, tech-s.com, benjamincolephotography.com and masterstream.net.
These name servers are commonly used with dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.
Host names with two IP numbers: dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200; dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200
Five mail servers handle 21c.biz: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
21c.biz shares some mail servers with other domains, including chatta.co.uk, majesticglobal.com, pompeyautobody.com, systemication.de and inertica.fi.
these mail servers are often used alongside the mail servers aspmx5.googlemail.com, aspmx4.googlemail.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host names with two IP numbers:
aspmx2.googlemail.com points to: 2a00:1450:400b:c02::1a and 172.253.116.26
aspmx3.googlemail.com points to: 2a00:1450:400c:c00::1b and 173.194.76.27
aspmx.l.google.com points to: 2607:f8b0:4004:c09::1a and 142.251.167.27
alt1.aspmx.l.google.com points to: 2a00:1450:400b:c02::1a and 172.253.116.26
alt2.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.26
Host names that point to 2a00:1450:400b:c02::1a: aspmx2.googlemail.com and alt1.aspmx.l.google.com
Host names that point to 172.253.116.26: aspmx2.googlemail.com and alt1.aspmx.l.google.com