WWW.RTSAK.COM - c4u.ch
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c4u.ch checked at 2025-10-19T03:13:56.402Z 237ms 73/73/73 100% R:17c4u.ch
| MX | mx.c4u.ch | ||||||
| A | 212.120.52.115🇨🇭 NorthC Switzerland | ||||||
| PTR | mail.c4u.ch | ||||||
| NS | ns1.cyon.ch | ||||||
| A | 2a01:ab20:0:185::2 🇨🇭 cyon GmbH | ||||||
| A | 185.174.216.2🇨🇭 cyon GmbH | ||||||
| PTR | ns1.cyon.ch | ||||||
| NS | ns2.cyon.ch | ||||||
| A | 2001:67c:234::2 🇨🇭 cyon GmbH | ||||||
| A | 91.206.24.2🇨🇭 cyon GmbH | ||||||
| PTR | ns2.cyon.ch | ||||||
| A | 2a01:ab20:0:4::68 🇨🇭 cyon GmbH | ||||||
| PTR | s059.cyon.net | ||||||
| A | 149.126.4.68🇨🇭 cyon GmbH | ||||||
| PTR | s059.cyon.net | ||||||
ch
| NS | a.nic.ch | ||||||
| NS | b.nic.ch | ||||||
| NS | d.nic.ch | ||||||
| NS | e.nic.ch | ||||||
| NS | f.nic.ch | ||||||
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AI analysis
The parent of mail.c4u.ch, mx4.c4u.ch, mx.c4u.ch, mx1.c4u.ch, mx2.c4u.ch and a few other host names is c4u.ch.
c4u.ch resolves to two IP numbers: 2a01:ab20:0:4::68 and 149.126.4.68.
Other host names, for instance nowdive.net, mail.mrmouse.ch, wpp.ch, mail.hinoki.ch and mail.berndruckt.ch share IP numbers with c4u.ch.
c4u.ch has two name servers: ns1.cyon.ch and ns2.cyon.ch.
c4u.ch shares the same name server setup as other domains, for example nuetzi-law.ch, vinzenzpeter.ch, sweater.ch, johannes.ch and synela.ch.
Host names with two IP numbers:
ns1.cyon.ch points to: 2a01:ab20:0:185::2 and 185.174.216.2; ns2.cyon.ch points to: 2001:67c:234::2 and 91.206.24.2.
c4u.ch is handled by a single mail server, mx.c4u.ch.
Host name mx.c4u.ch points to IP 212.120.52.115.