Summary
21st-century.net is delegated to three nameservers, however two extra nameservers are listed in the zone. All nameservers are at
21st-century.net themselves. Some of them are on the same IP network. Incoming mail for
21st-century.net is handled by four mailservers. Two of them are on the same IP network.
21st-century.net has one IP number , but the reverse is
main.21st-century.net.
hotmail.li point to the same IP and also shares mailservers.
splendor.ch and
dns1.21st-century.net point to the same IP.
bah.ch,
babu.ch,
optima.ch,
repavit.ch,
webcase.org and at least two other hosts share both nameservers and mailservers with this domain.
os3.ch,
svg.li,
fey.net,
dhima.ch,
music.li and at least 17 other hosts share nameservers with this domain.
tcs.ch,
apos.ch,
myvz.de,
igefi.lu,
igefi.be and at least 46 other hosts share mailservers with this domain.
nb.21st-century.net,
cgi.21st-century.net,
dmc.21st-century.net,
opm.21st-century.net,
ns2.21st-century.net and at least 100 other hosts are subdomains to this hostname.
21st-century.net is hosted on a server in Switzerland.
Reputation is not yet known.
| Base | Record | Name | IP | Reverse | Route | AS |
| 21st-century.net | a | 195.50.224.10 Switzerland | main.21st-century.net | 195.50.224.0/19 Route_Object_21st_Century | AS8220 COLT Telecommunications |
| ns-soa | dns1.21st-century.net | 195.50.224.10 Switzerland | main.21st-century.net |
| ns | dns1.21st-century.net | 195.50.224.10 Switzerland | main.21st-century.net |
| dns2.21st-century.net | 195.50.224.11 Switzerland | backend.21st-century.net |
| dns3.21st-century.net | 147.202.40.87 United States | 147.202.32.0/19 PNAP-CHI teamtech fastserver routes | AS16805 FASTSERVERS , Inc |
| ns2.21st-century.net (only in zone) | 195.50.225.10 Switzerland | 195.50.224.0/19 Route_Object_21st_Century | AS8220 COLT Telecommunications |
| vasp.21st-century.net (only in zone) | 195.50.224.254 Switzerland | vasp1.vasp.21st-century.net |
| mx | 10 | mail.21st-century.net | 195.50.227.10 Switzerland |
| 40 | opm.21st-century.net | 195.50.224.235 Switzerland |
| 60 | mail.gva.ch.colt.net | 212.121.128.24 Germany | 212.121.128.0/19 COLT-DE |
| 50 | mail.zrh1.ch.colt.net | 212.74.78.12 Germany | 212.74.78.0/24 COLT Internal 5 |
| net | ns-soa | a.gtld-servers.net | 192.5.6.30 United States | 192.5.6.0/24 VeriSign Route | AS36625 VERISIGN-AS VeriSign, Inc |
| ns | a.gtld-servers.net | 192.5.6.30 United States |
| b.gtld-servers.net | 192.33.14.30 United States | 192.33.14.0/24 VeriSign Route | AS26415 VERISIGN-AS VeriSign, Inc |
| c.gtld-servers.net | 192.26.92.30 United States | 192.26.92.0/24 VeriSign Route | AS36625 VERISIGN-AS VeriSign, Inc |
| d.gtld-servers.net | 192.31.80.30 United States | 192.31.80.0/24 VeriSign Route | AS36617 VERISIGN-AS VeriSign, Inc |
| e.gtld-servers.net | 192.12.94.30 United States | 192.12.94.0/24 VeriSign Route | AS36629 VERISIGN-AS VeriSign, Inc |
| f.gtld-servers.net | 192.35.51.30 United States | 192.35.51.0/24 VeriSign Route | AS36620 VERISIGN-AS VeriSign, Inc |
| g.gtld-servers.net | 192.42.93.30 United States | 192.42.93.0/24 VeriSign Route | AS36624 VERISIGN-AS VeriSign, Inc |
| h.gtld-servers.net | 192.54.112.30 United States | 192.54.112.0/24 VeriSign Route | AS36623 VERISIGN-AS VeriSign, Inc |
| i.gtld-servers.net | 192.43.172.30 United States | 192.43.172.0/24 VeriSign Route | AS36625 VERISIGN-AS VeriSign, Inc |
| j.gtld-servers.net | 192.48.79.30 United States | 192.48.79.0/24 VeriSign Route | AS36626 VERISIGN-AS VeriSign, Inc |
| k.gtld-servers.net | 192.52.178.30 United States | 192.52.178.0/24 VeriSign Route | AS36622 VERISIGN-AS VeriSign, Inc |
| l.gtld-servers.net | 192.41.162.30 United States | 192.41.162.0/24 VeriSign Route | AS36628 VERISIGN-AS VeriSign, Inc |
| m.gtld-servers.net | 192.55.83.30 United States | 192.55.83.0/24 VeriSign Route | AS36618 VERISIGN-AS VeriSign, Inc |