4server.ch - dns.ninja
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 2026-07-13 #43 | ||||||
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.pro |
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
○ 2026-07-13 20:01:32
●NSns1.hostingedominio.com2015-08-14 → 2026-07-13 · 2 obs
● 2026-07-13 20:01:32
●NSns2.hostingedominio.com2015-08-14 → 2026-07-13 · 2 obs
● 2026-07-13 20:01:32
○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
○ 2026-07-13 20:01:32
●MX4server.ch2015-08-14 → 2026-07-13 · 5 obs
● 2026-06-06 13:54:02
○ 2026-06-06 19:16:10
● 2026-06-07 20:40:32
● 2026-07-13 20:01:32
○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
○ 2026-07-13 20:01:32
○A81.17.25.2362015-08-14 → 2016-03-16 · 4 obs
● 2016-03-16 05:04:04
○ 2016-06-24 06:00:12
○ 2026-07-13 20:01:32
●A81.17.25.2502026-02-27 → 2026-07-13 · 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
● 2026-07-13 20:01:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| 4server.ch | ns1.hostingedominio.com, ns2.hostingedominio.com | - |
✅ Authoritative Response
Server:136.243.54.91
NS records: ns1.hostingedominio.com, ns2.hostingedominio.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1094ms | 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 the parent domain of mainserver.4server.ch, ns3.4server.ch and www.4server.ch.
Mail Server Role
4server.ch is listed as a mail server for itself.
IP Addresses
4server.ch resolves to one IP address: 81.17.25.250.
hosting-domain-swiss.com, hostingedominio.net, aid-web.ch and two other host names share IP numbers with 4server.ch.
Name Servers
4server.ch uses two name servers for its delegation: ns1.hostingedominio.com and ns2.hostingedominio.com.
4server.ch uses the same name servers as several other domains — among them mio-ip.ch, ticino-hosting.ch, 4host.ch and two more.
4server.ch shares at least some of its name servers with other domains, such as ns1.hostingedominio.com and ns2.hostingedominio.com.
ns1.hostingedominio.com and ns2.hostingedominio.com each resolve to one IP number: ns1.hostingedominio.com points to 81.17.25.232 and ns2.hostingedominio.com points to 136.243.54.91.
Mail Servers
Mail for 4server.ch is handled by one mail server — 4server.ch.
4server.ch directs to just one IP number, 81.17.25.250.