MXLIST.NET - c21.to
Search for IP or hostnames:
c21.to checked at 2025-10-13T07:00:57.276Z 700ms 62/62/62 100% R:21c21.to
| MX | mail.c21.to | ||||||
| A | 61.206.121.85🇯🇵 NTT PC Communications (InfoSphere) | ||||||
| PTR | server2.c21.to | ||||||
| NS | ns1.c21.to | ||||||
| A | 117.102.216.132🇯🇵 NTT PC Communications (InfoSphere) | ||||||
| PTR | server.c21.to | ||||||
| NS | ns2.c21.to | ||||||
| A | 61.206.121.85🇯🇵 NTT PC Communications (InfoSphere) | ||||||
| PTR | server2.c21.to | ||||||
| A | 61.206.121.85🇯🇵 NTT PC Communications (InfoSphere) | ||||||
| PTR | server2.c21.to | ||||||
| A | 117.102.216.133🇯🇵 NTT PC Communications (InfoSphere) | ||||||
| PTR | image.c21.to | ||||||
to
| NS | ns01.trs-dns.com | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.org | ||||||
Up
server08.c21.to |
image.c21.to |
www.c21.to |
server07.c21.to |
mail.c21.to |
server2.c21.to |
ns1.c21.to |
server.c21.to |
ns2.c21.to |
Starts with same word
Starts similarily
AI analysis
c21.to is a parent of server08.c21.to, image.c21.to, www.c21.to, server07.c21.to, mail.c21.to and a few other host names.
c21.to points to two IPs: 61.206.121.85 and 117.102.216.133.
Other host names including c21-fh.co.jp, mail.0021.to, mail.c21-fh.co.jp, ns2.c21.to and mail.geonetwork.jp share IP numbers with c21.to.
c21.to's delegation uses two name servers, ns1.c21.to and ns2.c21.to.
Host names with a single IP:
ns1.c21.to points to 117.102.216.132.
ns2.c21.to points to 61.206.121.85.
c21.to is handled by a single mail server, mail.c21.to.
mail.c21.to points to a single IP: 61.206.121.85.
dbq