CF1763208747326-tsm20251109205412

DNSWHOIS.INFO - c4u.ch

Search for IP or hostnames:

c4u.ch checked at 2025-11-15T12:12:27.321Z 441ms 73/73/73 100% R:21 allDone:true timedOut:false

c4u.ch

MXmx.c4u.ch
A212.120.52.115🇨🇭 AS-TINEO
PTRmail.c4u.ch
NSns1.cyon.ch
A2a01:ab20:0:185::2 🇨🇭 cyon GmbH
A185.174.216.2🇨🇭 cyon GmbH
PTRns1.cyon.ch
NSns2.cyon.ch
A2001:67c:234::2 🇨🇭 cyon GmbH
A91.206.24.2🇨🇭 cyon GmbH
PTRns2.cyon.ch
A2a01:ab20:0:4::68 🇨🇭 cyon GmbH
PTRs059.cyon.net
A149.126.4.68🇨🇭 cyon GmbH
PTRs059.cyon.net

ch

NSa.nic.ch
NSb.nic.ch
NSd.nic.ch
NSe.nic.ch
NSf.nic.ch

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Starts with same word

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AI analysis

c4u.ch is a parent of mail.c4u.ch, mx4.c4u.ch, mx.c4u.ch, mx1.c4u.ch, mx2.c4u.ch and several other host names.

c4u.ch points 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.

Delegation for c4u.ch rests with two name servers, ns1.cyon.ch and ns2.cyon.ch.

c4u.ch shares the same name server setup as other domains, including 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.

mx.c4u.ch points to a single IP: 212.120.52.115.

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