4server.ch - dns.ninja

4server.ch

DNSSEC๐Ÿ”’ Signed (DS record present)
A81.17.25.250๐Ÿ‡จ๐Ÿ‡ญ PrivateLayerSwitzerland81.17.16.0/20 Ripe Allocation
NSns1.hostingedominio.com โญ
A81.17.25.232๐Ÿ‡จ๐Ÿ‡ญ PrivateLayerSwitzerland81.17.16.0/20 Ripe Allocation
NSns2.hostingedominio.com
A2a01:4f8:212:1561::91๐Ÿ‡ฉ๐Ÿ‡ช Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns2.hostingedominio.com
A136.243.54.91๐Ÿ‡ฉ๐Ÿ‡ช Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3
MX4server.ch โญ ๐Ÿ”’
A81.17.25.250๐Ÿ‡จ๐Ÿ‡ญ PrivateLayerSwitzerland81.17.16.0/20 Ripe Allocation
TXTv=spf1 ip4:81.17.25.250 +mx +a +a:lb.yoursrs.com -all
TXTgoogle-site-verification=qSP0yWRAy81r8ShPWXqupPOKOtO5Fm7VzhminRengB8
SOAns1.hostingedominio.cominfo@4host.ch 2026-05-30 #1

ch

DNSSEC๐Ÿ”’ Signed (DS record present)
NSa.nic.ch โญ
NSb.nic.ch
NSd.nic.ch
NSe.nic.ch
NSf.nic.ch
SOAa.nic.chdns-operation@switch.ch 2026-07-13 #38
๐Ÿ”’ HSTS Preload (+subdomains)

MX for

Previously MX for

Subdomains

Same first word

Similar names

DNS History

8 records (4 active, 4 former)

20162017201820192020202120222023202420252026NSns1.hostingedominio.comns2.hostingedominio.comns1.hostingedominio.chns3.4server.chMX4server.chA81.17.25.250179.43.143.7381.17.25.236
โ—‹NSns1.hostingedominio.ch2015-08-14 โ†’ 2016-03-16 ยท 4 obs
โ— 2015-08-14 12:00:38
โ— 2016-03-16 05:04:04
โ—‹ 2016-06-24 06:00:12
โ—‹ 2026-07-13 17:50:26
โ—NSns1.hostingedominio.com2015-08-14 โ†’ 2026-07-13 ยท 2 obs
โ— 2015-08-14 12:00:38
โ— 2026-07-13 17:50:26
โ—NSns2.hostingedominio.com2015-08-14 โ†’ 2026-07-13 ยท 2 obs
โ— 2015-08-14 12:00:38
โ— 2026-07-13 17:50:26
โ—‹NSns3.4server.ch2016-06-24 โ†’ 2017-01-02 ยท 5 obs
โ—‹ 2016-03-16 05:04:04
โ— 2016-06-24 06:00:12
โ— 2017-01-02 16:50:22
โ—‹ 2026-02-27 22:09:04
โ—‹ 2026-07-13 17:50:26
โ—MX4server.ch2015-08-14 โ†’ 2026-07-13 ยท 5 obs
โ— 2015-08-14 12:00:38
โ— 2026-06-06 13:54:02
โ—‹ 2026-06-06 19:16:10
โ— 2026-06-07 20:40:32
โ— 2026-07-13 17:50:26
โ—‹A179.43.143.732016-06-24 โ†’ 2017-01-02 ยท 5 obs
โ—‹ 2016-03-16 05:04:04
โ— 2016-06-24 06:00:12
โ— 2017-01-02 16:50:22
โ—‹ 2026-02-27 22:09:04
โ—‹ 2026-07-13 17:50:26
โ—‹A81.17.25.2362015-08-14 โ†’ 2016-03-16 ยท 4 obs
โ— 2015-08-14 12:00:38
โ— 2016-03-16 05:04:04
โ—‹ 2016-06-24 06:00:12
โ—‹ 2026-07-13 17:50:26
โ—A81.17.25.2502026-02-27 โ†’ 2026-07-13 ยท 6 obs
โ—‹ 2017-01-02 16:50:22
โ— 2026-02-27 22:09:04
โ— 2026-06-06 13:54:02
โ—‹ 2026-06-06 19:16:10
โ— 2026-06-07 20:40:32
โ— 2026-07-13 17:50:26

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
cha.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...-
4server.chns1.hostingedominio.com, ns2.hostingedominio.com-

โœ… Authoritative Response

Server:81.17.25.232

NS records: ns1.hostingedominio.com, ns2.hostingedominio.com

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 4566ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A181.17.25.250
NS2ns2.hostingedominio.com, ns1.hostingedominio.com
MX14server.ch (pri: 0)
TXT2google-site-verification=qSP0yWRAy81r8Sh, v=spf1 ip4:81.17.25.250 +mx +a +a:lb.you
SOA1ns1.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 โ€” among them mio-ip.ch, ticino-hosting.ch, 4host.ch and two more.

At least some of 4server.ch's name servers are also used by other domains, among them ns1.hostingedominio.com.

Hostnames that resolve to two IP addresses:

ns2.hostingedominio.com directs traffic to 136.243.54.91 and 2a01:4f8:212:1561::91.

Hosts with just one IP address:

ns1.hostingedominio.com has the IP address 81.17.25.232.

Mail Servers

Mail for 4server.ch is handled by one mail server โ€” 4server.ch.

4server.ch directs to just one IP number, 81.17.25.250.