celltest.ch - dns.ninja

`celltest.ch`

DNSSEC	🔒 Signed (DS record present)
A	2a01:ab20:0:4::69^{🇨🇭 CYON2a01:ab20::/32}
		PTR	`s060.cyon.net`
A	149.126.4.69^{🇨🇭 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.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`v=spf1 include:_spf.protonmail.ch +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0...`
TXT	`protonmail-verification=c62d1d5e52cfa85c103c6a8ff3ee3917c674d206`
SOA	`ns1.cyon.ch`server@cyon.ch 2022-12-10 #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.ch`dns-operation@switch.ch 2026-08-09 #9

Previously MX for

celltest.ch

Same first word

celltest.co.il

celltest.ch

celltest.mx

celltest.eu

celltest.com

celltest.se

celltest.app

celltest.de

Similar names

tlselect.com

ltselect.com

settellc.com

stelltec.de

testcell.com

stelltec.tools

stelletc.com

DNS History

8 records (6 active, 2 former)

●NSns1.cyon.ch2015-07-04 → 2026-08-09 · 2 obs

● 2015-07-04 05:48:36
● 2026-08-09 02:44:18

●NSns2.cyon.ch2015-07-04 → 2026-08-09 · 2 obs

● 2015-07-04 05:48:36
● 2026-08-09 02:44:18

○MXcelltest.ch2015-07-04 → 2017-11-05 · 4 obs

● 2015-07-04 05:48:36
● 2017-11-05 12:41:18
○ 2026-02-27 04:16:04
○ 2026-08-09 02:44:18

●MXmail.protonmail.ch2026-02-27 → 2026-08-09 · 6 obs

○ 2017-11-05 12:41:18
● 2026-02-27 04:16:04
● 2026-04-01 13:07:32
○ 2026-04-05 02:27:28
● 2026-05-06 13:33:24
● 2026-08-09 02:44:18

●MXmailsec.protonmail.ch2026-02-27 → 2026-08-09 · 6 obs

○ 2017-11-05 12:41:18
● 2026-02-27 04:16:04
● 2026-04-01 13:07:32
○ 2026-04-05 02:27:28
● 2026-05-06 13:33:24
● 2026-08-09 02:44:18

●A149.126.4.692017-11-05 → 2026-08-09 · 6 obs

○ 2016-12-28 22:44:58
● 2017-11-05 12:41:18
● 2026-04-01 13:07:32
○ 2026-04-05 02:27:28
● 2026-05-06 13:33:24
● 2026-08-09 02:44:18

○A194.126.200.522015-07-04 → 2016-12-28 · 4 obs

● 2015-07-04 05:48:36
● 2016-12-28 22:44:58
○ 2017-11-05 12:41:18
○ 2026-08-09 02:44:18

●A2a01:ab20:0:4::692026-02-27 → 2026-08-09 · 6 obs

○ 2017-11-05 12:41:18
● 2026-02-27 04:16:04
● 2026-04-01 13:07:32
○ 2026-04-05 02:27:28
● 2026-05-06 13:33:24
● 2026-08-09 02:44:18

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:185.174.216.2

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 588ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.126.4.69`
AAAA	1	`2a01:ab20:0:4::69`
NS	2	`ns1.cyon.ch, ns2.cyon.ch`
MX	2	`mailsec.protonmail.ch (pri: 20), mail.protonmail.ch (pri: 10)`
TXT	2	`protonmail-verification=c62d1d5e52cfa85c, v=spf1 include:_spf.protonmail.ch +a +mx`
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

celltest.ch has two IP addresses: 149.126.4.69 and 2a01:ab20:0:4::69

mail.trustme.network, websitearts.ch, buch-binden.ch plus two other host names have IP numbers in common with celltest.ch.

Name Servers

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

The name server configuration of celltest.ch is shared with other domains, for instance fio.ch, swiss-pvd.ch, swissi.org and two others.

ns1.cyon.ch and ns2.cyon.ch each resolve to two IP addresses: ns1.cyon.ch points to 185.174.216.2 and 2a01:ab20:0:185::2, while ns2.cyon.ch points to 91.206.24.2 and 2001:67c:234::2.

Mail Servers

celltest.ch uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.

The mail server setup of celltest.ch matches that of other domains such as librefit.org, ae3.ch, vermontphotonics.com and two others.

At least some of the mail servers used by celltest.ch are shared with other domains: musciences.com, 3lancea.nl, reisner.co and two others among them.

Both mail.protonmail.ch and mailsec.protonmail.ch point to three IP numbers: mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128, while mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.