4-server.com - dns.ninja

`4-server.com`

DNSSEC	⚠️ Not signed
A	2a02:29b8:dc01:545::625:de4f^{🇨🇭 PrivateLayerSwitzerland2a02:29b8::/32 Customer Record}
A	81.17.25.250^{🇨🇭 PrivateLayerSwitzerland81.17.16.0/20 Ripe Allocation}
NS	`ns1.hostingedominio.com` ⭐
		A	2a02:29b8:dc01:545:5054:ff:fe50:f924^{🇨🇭 PrivateLayerSwitzerland2a02:29b8::/32 Customer Record}
		A	81.17.25.232^{🇨🇭 PrivateLayerSwitzerland81.17.16.0/20 Ripe Allocation}
			PTR	`ns1.hostingedominio.com`
NS	`ns2.hostingedominio.com`
		A	2a01:4f8:212:1561::91^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns2.hostingedominio.com`
		A	136.243.54.91^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
			PTR	`ns2.hostingedominio.com`
MX	`4-server.com` ⭐
		A	2a02:29b8:dc01:545::625:de4f^{🇨🇭 PrivateLayerSwitzerland2a02:29b8::/32 Customer Record}
		A	81.17.25.250^{🇨🇭 PrivateLayerSwitzerland81.17.16.0/20 Ripe Allocation}
			PTR	`server6.hostingedominio.ch`
TXT	`v=spf1 ip4:81.17.25.250 +a +mx -all`
TXT	`google-site-verification=cgAIlZlmIk-EPW8ptyzJ2-gMTGdeEJWc9q_wHnsDAzM`
SOA	`ns1.hostingedominio.com`info@4host.ch 2026-05-24 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1784157452

MX for

4-server.com

Same first word

4-server.com

Similar names

server-4.com

server-4.de

server-4.info

DNS History

8 records (5 active, 3 former)

●NSns1.hostingedominio.com2015-08-01 → 2026-07-15 · 2 obs

● 2015-08-01 03:00:26
● 2026-07-15 23:19:26

●NSns2.hostingedominio.com2015-08-01 → 2026-07-15 · 2 obs

● 2015-08-01 03:00:26
● 2026-07-15 23:19:26

○NSns3.4server.ch2015-08-01 → 2017-01-02 · 4 obs

● 2015-08-01 03:00:26
● 2017-01-02 16:50:22
○ 2026-03-23 00:54:48
○ 2026-07-15 23:19:26

●MX4-server.com2015-08-01 → 2026-07-15 · 2 obs

● 2015-08-01 03:00:26
● 2026-07-15 23:19:26

○A179.43.143.702016-05-06 → 2017-01-02 · 5 obs

○ 2016-02-10 16:43:20
● 2016-05-06 23:45:16
● 2017-01-02 16:50:22
○ 2026-03-23 00:54:48
○ 2026-07-15 23:19:26

●A2a02:29b8:dc01:545::625:de4f2026-03-23 → 2026-07-15 · 3 obs

○ 2017-01-02 16:50:22
● 2026-03-23 00:54:48
● 2026-07-15 23:19:26

○A81.17.25.2302015-08-01 → 2016-02-10 · 4 obs

● 2015-08-01 03:00:26
● 2016-02-10 16:43:20
○ 2016-05-06 23:45:16
○ 2026-07-15 23:19:26

●A81.17.25.2502026-03-23 → 2026-07-15 · 3 obs

○ 2017-01-02 16:50:22
● 2026-03-23 00:54:48
● 2026-07-15 23:19:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net...	-
4-server.com	ns1.hostingedominio.com, ns2.hostingedominio.com	3 records

✅ Authoritative Response

Server:81.17.25.232

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4-server.com (unsigned zone)

⏱️ Timing

Total: 4470ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.17.25.250`
AAAA	1	`2a02:29b8:dc01:545::625:de4f`
NS	2	`ns1.hostingedominio.com, ns2.hostingedominio.com`
MX	1	`4-server.com (pri: 0)`
TXT	2	`v=spf1 ip4:81.17.25.250 +a +mx -all, google-site-verification=cgAIlZlmIk-EPW8`
SOA	1	`ns1.hostingedominio.com info.4host.ch`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.hostingedominio.com, ns2.hostingedominio.com, ns2.hostingedominio.com)

Analysis

Mail Server Role

The MX record for 4-server.com points back to 4-server.com — it is its own mail server.

IP Addresses

4-server.com points to the IP addresses 81.17.25.250 and 2a02:29b8:dc01:545::625:de4f

Among the host names that share IP numbers with 4-server.com are shadowdrummer.ch, aidconsultancy.ch, server-privato.com and two others.

Name Servers

The NS records for 4-server.com delegate to ns1.hostingedominio.com and ns2.hostingedominio.com.

4-server.com has the same name server delegation as a number of other domains, such as tipicalonline.com, janus-advisory.ch, copertureamovibili.com and two more.

The name servers for 4-server.com overlap at least in part with those of other domains, including ns2.hostingedominio.com and ns1.hostingedominio.com.

These name servers commonly appear in combination with the name servers ns3.4server.ch.

ns1.hostingedominio.com resolves to 81.17.25.232 and 2a02:29b8:dc01:545:5054:ff:fe50:f924. Likewise, ns2.hostingedominio.com resolves to 136.243.54.91 and 2a01:4f8:212:1561::91 — two IP addresses apiece.

Mail Servers

The MX record for 4-server.com points to a single mail server: 4-server.com.

4-server.com resolves to two IP numbers — 81.17.25.250 and 2a02:29b8:dc01:545::625:de4f.