`markus-grau.ch`

DNSSEC	🔒 Signed (DS record present)
A	2a01:ab20:0:4::15^{🇨🇭 CYON2a01:ab20::/32}
		PTR	`s006.cyon.net`
A	149.126.4.15^{🇨🇭 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.markus-grau.ch` ⭐
		A	2a01:ab20:0:4::15^{🇨🇭 CYON2a01:ab20::/32}
			PTR	`s006.cyon.net`
		A	149.126.4.15^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}
			PTR	`s006.cyon.net`
TXT	`v=spf1 include:spf.protection.cyon.net -all`
SOA	`ns1.cyon.ch`server@cyon.ch 2024-03-25 #3

`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 2026-04-29 #9

Previously MX for

markus-grau.ch

Same first word

markus-grau.ch

DNS History

7 records (5 active, 2 former)

●NSns1.cyon.ch2018-08-12 → 2026-04-29 · 2 obs

● 2018-08-12 17:12:56
● 2026-04-29 03:22:14

●NSns2.cyon.ch2018-08-12 → 2026-04-29 · 2 obs

● 2018-08-12 17:12:56
● 2026-04-29 03:22:14

●MXmail.markus-grau.ch2026-02-28 → 2026-04-29 · 9 obs

○ 2018-08-12 17:12:56
● 2026-02-28 22:53:40
● 2026-03-30 19:09:52
○ 2026-04-05 02:27:20
● 2026-04-05 18:15:44
● 2026-04-06 06:05:28
○ 2026-04-13 14:19:20
● 2026-04-22 03:43:48
● 2026-04-29 03:22:14

○MXmarkus-grau.ch2018-08-12 → 2018-08-12 · 3 obs

● 2018-08-12 17:12:56
○ 2026-02-28 22:53:40
○ 2026-04-29 03:22:14

●A149.126.4.152026-02-28 → 2026-04-29 · 9 obs

○A149.126.4.632018-08-12 → 2018-08-12 · 3 obs

● 2018-08-12 17:12:56
○ 2026-02-28 22:53:40
○ 2026-04-29 03:22:14

●A2a01:ab20:0:4::152026-02-28 → 2026-04-29 · 9 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
markus-grau.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: 573ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.126.4.15`
AAAA	1	`2a01:ab20:0:4::15`
NS	2	`ns1.cyon.ch, ns2.cyon.ch`
MX	1	`mail.markus-grau.ch (pri: 0)`
TXT	1	`v=spf1 include:spf.protection.cyon.net -`
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

markus-grau.ch resolves to two IP numbers: 2a01:ab20:0:4::15 and 149.126.4.15.

other host names including egloff-druck.ch, simon.direct, www.kofmehl.net, propagandista.ch and orbitalgarden.com share IP numbers with markus-grau.ch.

Name Servers

markus-grau.ch is delegated to two name servers ns1.cyon.ch and ns2.cyon.ch.

markus-grau.ch shares the same name server setup as other domains, for instance ref-alt.com, 4528.ch, abegg-stiftung.ch, itprocessing.ch and nuetzi-informatik.ch.

Host names with two IP numbers:

The host name ns1.cyon.ch points to 2a01:ab20:0:185::2 and 185.174.216.2; the host name ns2.cyon.ch points to 2001:67c:234::2 and 91.206.24.2.

Mail Servers

markus-grau.ch is handled by a single mail server, mail.markus-grau.ch.

mail.markus-grau.ch resolves to two IP numbers: 2a01:ab20:0:4::15 and 149.126.4.15.

markus-grau.ch - robtex.com

markus-grau.ch

ch