`activcellgroup.ch`

DNSSEC	🔒 Signed (DS record present)
A	2a01:ab20:0:4::37^{🇨🇭 CYON2a01:ab20::/32}
		PTR	`s028.cyon.net`
A	149.126.4.37^{🇨🇭 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	`mail.activcellgroup.ch` ⭐
		A	149.126.4.37^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}
			PTR	`s028.cyon.net`
TXT	`v=spf1 +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 -all`
SOA	`ns1.cyon.ch`server@cyon.ch 2021-01-25 #77

`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 2026-03-15 #15

DNS History

5 records (5 active, 0 former)

●NSns1.cyon.ch2026-03-19 → 2026-03-19 · 2 obs

● 2026-03-19 14:45:50
● 2026-03-19 14:45:54

●NSns2.cyon.ch2026-03-19 → 2026-03-19 · 2 obs

● 2026-03-19 14:45:50
● 2026-03-19 14:45:54

●MXmail.activcellgroup.ch2026-03-19 → 2026-03-19 · 2 obs

● 2026-03-19 14:45:50
● 2026-03-19 14:45:54

●A149.126.4.372026-03-19 → 2026-03-19 · 2 obs

● 2026-03-19 14:45:50
● 2026-03-19 14:45:54

●A2a01:ab20:0:4::372026-03-19 → 2026-03-19 · 2 obs

● 2026-03-19 14:45:50
● 2026-03-19 14:45:54

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server: 91.206.24.2

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 710ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.126.4.37`
AAAA	1	`2a01:ab20:0:4::37`
NS	2	`ns2.cyon.ch, ns1.cyon.ch`
MX	1	`mail.activcellgroup.ch (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:194.126.200.0/24 +ip4`
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

activcellgroup.ch points to two IPs: 2a01:ab20:0:4::37 and 149.126.4.37.

Other host names including mdw.ch, postzone.org, kissling-bau.ch, mail.christianmeili.com and playables.net share IP numbers with activcellgroup.ch.

Name Servers

activcellgroup.ch's delegation uses two name servers, ns1.cyon.ch and ns2.cyon.ch.

activcellgroup.ch shares the same name server setup as other domains, for example rguitar.ch, akustikschweiz-zuerichsee.ch, pefo.ch, scorpiongym.ch and arnoldweb.ch.

activcellgroup.ch at least partially shares name servers with other domains; for instance inlabtec.com.

Host names with two IPs:

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

activcellgroup.ch is handled by a single mail server, mail.activcellgroup.ch.

mail.activcellgroup.ch points to a single IP: 149.126.4.37.

activcellgroup.ch - robtex.com