4server.ch - robtex.com
4server.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.17.25.250🇨🇭 PrivateLayerSwitzerland81.17.16.0/20 Ripe Allocation | ||||||
| PTR | server6.hostingedominio.ch | ||||||
| NS | ns1.hostingedominio.com ⭐ | ||||||
| A | 81.17.25.232🇨🇭 PrivateLayerSwitzerland81.17.16.0/20 Ripe Allocation | ||||||
| PTR | ns1.hostingedominio.com | ||||||
| NS | ns2.hostingedominio.com | ||||||
| A | 136.243.54.91🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3 | ||||||
| PTR | ns2.hostingedominio.com | ||||||
| MX | 4server.ch ⭐ 🔒 | ||||||
| A | 81.17.25.250🇨🇭 PrivateLayerSwitzerland81.17.16.0/20 Ripe Allocation | ||||||
| PTR | server6.hostingedominio.ch | ||||||
| TXT | v=spf1 ip4:81.17.25.250 +mx +a +a:lb.yoursrs.com -all | ||||||
| TXT | google-site-verification=qSP0yWRAy81r8ShPWXqupPOKOtO5Fm7VzhminRengB8 | ||||||
| SOA | ns1.hostingedominio.cominfo@4host.ch 2026-05-30 #1 | ||||||
ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.ch ⭐ | ||||||
| NS | b.nic.ch | ||||||
| NS | d.nic.ch | ||||||
| NS | e.nic.ch | ||||||
| NS | f.nic.ch | ||||||
| SOA | a.nic.chdns-operation@switch.ch 2026-07-23 #37 | ||||||
MX for
4server.ch |
Previously MX for
www.4server.ch |
Subdomains
mainserver.4server.ch |
ns3.4server.ch |
www.4server.ch |
Same first word
Similar names
server4.com |
server4.se |
server4.eu.com |
server4.work |
server4.de |
server4.tk |
server4.ru |
server4.org |
sr4ever.com |
server4.bplaced.net |
server4.biz |
server4.co.uk |
server4.tv |
server4.net |
server4.ir |
DNS History
8 records (4 active, 4 former)
○NSns1.hostingedominio.ch2015-08-14 → 2016-03-16 · 4 obs
● 2016-03-16 05:04:04
○ 2016-06-24 06:00:12
○ 2026-07-23 17:16:10
●NSns1.hostingedominio.com2015-08-14 → 2026-07-23 · 2 obs
● 2026-07-23 17:16:10
●NSns2.hostingedominio.com2015-08-14 → 2026-07-23 · 2 obs
● 2026-07-23 17:16:10
○NSns3.4server.ch2016-06-24 → 2017-01-02 · 5 obs
● 2016-06-24 06:00:12
● 2017-01-02 16:50:22
○ 2026-02-27 22:09:04
○ 2026-07-23 17:16:10
●MX4server.ch2015-08-14 → 2026-07-23 · 5 obs
● 2026-06-06 13:54:02
○ 2026-06-06 19:16:10
● 2026-06-07 20:40:32
● 2026-07-23 17:16:10
○A179.43.143.732016-06-24 → 2017-01-02 · 5 obs
● 2016-06-24 06:00:12
● 2017-01-02 16:50:22
○ 2026-02-27 22:09:04
○ 2026-07-23 17:16:10
○A81.17.25.2362015-08-14 → 2016-03-16 · 4 obs
● 2016-03-16 05:04:04
○ 2016-06-24 06:00:12
○ 2026-07-23 17:16:10
●A81.17.25.2502026-02-27 → 2026-07-23 · 6 obs
● 2026-02-27 22:09:04
● 2026-06-06 13:54:02
○ 2026-06-06 19:16:10
● 2026-06-07 20:40:32
● 2026-07-23 17:16:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | e.nic.ch, f.nic.ch, d.nic.ch, b.nic.ch... | - |
| 4server.ch | ns1.hostingedominio.com, ns2.hostingedominio.com | - |
✅ Authoritative Response
Server:81.17.25.232
NS records: ns1.hostingedominio.com, ns2.hostingedominio.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 695ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.17.25.250 |
| NS | 2 | ns1.hostingedominio.com, ns2.hostingedominio.com |
| MX | 1 | 4server.ch (pri: 0) |
| TXT | 2 | v=spf1 ip4:81.17.25.250 +mx +a +a:lb.you, google-site-verification=qSP0yWRAy81r8Sh |
| SOA | 1 | ns1.hostingedominio.com info.4host.ch |
Analysis
Hierarchy
4server.ch is a parent domain, with mainserver.4server.ch, ns3.4server.ch and www.4server.ch beneath it.
Mail Server Role
4server.ch serves as a mail server for 4server.ch.
IP Addresses
4server.ch has exactly one IP address — 81.17.25.250.
hosting-domain-swiss.com, hostingedominio.net, aid-web.ch plus two other host names have IP numbers in common with 4server.ch.
Name Servers
The NS records for 4server.ch delegate to ns1.hostingedominio.com and ns2.hostingedominio.com.
The name server configuration of 4server.ch is shared with other domains, for instance mio-ip.ch, ticino-hosting.ch, 4host.ch and two others.
4server.ch has a partial name server overlap with other domains — among them ns1.hostingedominio.com and ns2.hostingedominio.com.
ns1.hostingedominio.com directs to 81.17.25.232 and ns2.hostingedominio.com directs to 136.243.54.91; each host name points to exactly one IP number.
Mail Servers
4server.ch uses exactly one mail server, which is 4server.ch.
4server.ch resolves to 81.17.25.250 and no other IP number.