`hoch4.ch`

DNSSEC	⚠️ Not signed
A	2a01:ab20:0:4::24^{🇨🇭 CYON2a01:ab20::/32}
		PTR	`s015.cyon.net`
A	149.126.4.24^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}
NS	`ns1.cyon.ch` ⭐
		A	2a01:ab20:0:185::2^{🇨🇭 CYON2a01:ab20::/32}
		A	185.174.216.2^{🇨🇭 CYON185.174.216.0/22}
			PTR	`ns1.cyon.ch`
NS	`ns2.cyon.ch`
		A	2001:67c:234::2^{🇨🇭 CYON2001:67c:234::/48 cyon GmbH}
		A	91.206.24.2^{🇨🇭 CYON91.206.24.0/23 Cyon GmbH}
			PTR	`ns2.cyon.ch`
MX	`hoch4.ch` ⭐
		A	2a01:ab20:0:4::24^{🇨🇭 CYON2a01:ab20::/32}
			PTR	`s015.cyon.net`
		A	149.126.4.24^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}
			PTR	`s015.cyon.net`
SOA	`ns1.cyon.ch`server@cyon.ch 2023-05-19 #0

`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.ch`dns-operation@switch.ch 2026-05-11 #6

Previously MX for

hoch4.ch

Same first word

hoch4.digital

hoch4.ch

hoch4.de

DNS History

8 records (5 active, 3 former)

●NSns1.cyon.ch2015-07-16 → 2026-05-11 · 2 obs

● 2015-07-16 07:36:54
● 2026-05-11 01:46:34

●NSns2.cyon.ch2015-07-16 → 2026-05-11 · 2 obs

● 2015-07-16 07:36:54
● 2026-05-11 01:46:34

●MXhoch4.ch2015-07-16 → 2026-05-11 · 5 obs

● 2015-07-16 07:36:54
● 2026-03-27 13:49:54
○ 2026-04-05 02:27:22
● 2026-05-11 01:46:32
● 2026-05-11 01:46:34

○A149.126.0.322017-11-24 → 2020-05-07 · 5 obs

○ 2016-12-25 02:39:18
● 2017-11-24 05:36:24
● 2020-05-07 00:52:56
○ 2026-02-18 00:27:54
○ 2026-05-11 01:46:34

○A149.126.1.662015-07-16 → 2016-12-25 · 4 obs

● 2015-07-16 07:36:54
● 2016-12-25 02:39:18
○ 2017-11-24 05:36:24
○ 2026-05-11 01:46:34

●A149.126.4.242026-02-18 → 2026-05-11 · 6 obs

○ 2020-05-07 00:52:56
● 2026-02-18 00:27:54
● 2026-03-27 13:49:54
○ 2026-04-05 02:27:22
● 2026-05-11 01:46:32
● 2026-05-11 01:46:34

○A2a01:ab20:0:203::322020-05-07 → 2020-05-07 · 4 obs

○ 2017-11-24 05:36:24
● 2020-05-07 00:52:56
○ 2026-02-18 00:27:54
○ 2026-05-11 01:46:34

●A2a01:ab20:0:4::242026-02-18 → 2026-05-11 · 6 obs

○ 2020-05-07 00:52:56
● 2026-02-18 00:27:54
● 2026-03-27 13:49:54
○ 2026-04-05 02:27:22
● 2026-05-11 01:46:32
● 2026-05-11 01:46:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch...	-
hoch4.ch	ns2.cyon.ch, ns1.cyon.ch	4 records

✅ Authoritative Response

Server:91.206.24.2

NS records: ns2.cyon.ch, ns1.cyon.ch

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 719ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.126.4.24`
AAAA	1	`2a01:ab20:0:4::24`
NS	2	`ns2.cyon.ch, ns1.cyon.ch`
MX	1	`hoch4.ch (pri: 0)`
SOA	1	`ns1.cyon.ch server.cyon.ch`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.cyon.ch, ns1.cyon.ch, ns2.cyon.ch...)

Analysis

IP Addresses

hoch4.ch resolves to two IPs: 2a01:ab20:0:4::24 and 149.126.4.24.

other host names for instance stanslacht.ch, s015.cyon.net, astratex.ch, mail.skema.ch and mail.4332.ch share IP numbers with hoch4.ch.

Name Servers

hoch4.ch is delegated to two name servers: ns1.cyon.ch and ns2.cyon.ch.

hoch4.ch shares the same name server setup as other domains, for example cp4.ch, eulenspiegel.ch, stahleinbau.ch, hf-ict.info and sizv.ch.

Host names with two IP numbers:

ns1.cyon.ch points to 2a01:ab20:0:185::2 and 185.174.216.2

ns2.cyon.ch points to 2001:67c:234::2 and 91.206.24.2

Mail Servers

One mail server handles hoch4.ch.

Host hoch4.ch resolves to two IPs: 2a01:ab20:0:4::24 and 149.126.4.24.

hoch4.ch - robtex.com

hoch4.ch

ch