WWW.RTSAK.COM - fos4.ch
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fos4.ch checked at 2025-10-31T00:49:48.538Z 295ms 73/73/73 100% R:15fos4.ch
| MX | mx5.fos4.net | ||||||
| A | 88.99.167.43🇩🇪 Hetzner | ||||||
| PTR | mx5.fos4.net | ||||||
| NS | hydrogen.ns.hetzner.com | ||||||
| A | 2a01:4f8:0:1::add:1098 🇩🇪 Hetzner | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| A | 213.133.100.98🇩🇪 Hetzner | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| NS | oxygen.ns.hetzner.com | ||||||
| A | 2a01:4f8:0:1::add:2992 🇩🇪 Hetzner | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| A | 88.198.229.192🇩🇪 Hetzner | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| NS | helium.ns.hetzner.de | ||||||
| A | 2001:67c:192c::add:5 🇩🇪 noris network AG | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| A | 193.47.99.5🇩🇪 noris network AG | ||||||
| PTR | helium.ns.hetzner.de | ||||||
ch
| NS | a.nic.ch | ||||||
| NS | b.nic.ch | ||||||
| NS | d.nic.ch | ||||||
| NS | e.nic.ch | ||||||
| NS | f.nic.ch | ||||||
Starts with same word
Starts similarily
AI analysis
fos4.ch is delegated to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
fos4.ch at least partially shares name servers with other domains, including dhcp.at, monteurzimmer-norderney.de, aerztesteuerberatung.de, mesics.de and nowmatters.com.
Host names with two IP numbers:
hydrogen.ns.hetzner.com: 2a01:4f8:0:1::add:1098 and 213.133.100.98
oxygen.ns.hetzner.com: 2a01:4f8:0:1::add:2992 and 88.198.229.192
helium.ns.hetzner.de: 2001:67c:192c::add:5 and 193.47.99.5
A single mail server handles fos4.ch, mx5.fos4.net.
fos4.ch uses the same mail server setup as other domains such as radim.ch, fos4.net and b4-moebel.ch.
fos4.ch shares some mail servers with other domains, at least in part; for example balsec.com and svejda.ch.
These mail servers are often used together with the mail servers mx4.fos4.net. 
Host name mx5.fos4.net resolves to a single IP: 88.99.167.43.