`zeichenlehrer.ch`

DNSSEC	⚠️ Not signed
A	2a01:ab20:0:4::151^{🇨🇭 CYON2a01:ab20::/32}
		PTR	`s142.cyon.net`
A	149.126.4.151^{🇨🇭 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.zeichenlehrer.ch` ⭐
		A	2a01:ab20:0:4::151^{🇨🇭 CYON2a01:ab20::/32}
			PTR	`s142.cyon.net`
		A	149.126.4.151^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}
			PTR	`s142.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 2021-01-28 #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 2026-08-12 #12

Subdomains

mail.zeichenlehrer.ch

Same first word

zeichenlehrer.ch

zeichenlehrer.de

DNS History

11 records (5 active, 6 former)

●NSns1.cyon.ch2026-03-11 → 2026-08-12 · 3 obs

○ 2017-04-10 12:36:48
● 2026-03-11 16:23:58
● 2026-08-12 04:33:32

○NSns1.simple.ch2015-05-26 → 2017-04-10 · 4 obs

● 2015-05-26 19:33:00
● 2017-04-10 12:36:48
○ 2026-03-11 16:23:58
○ 2026-08-12 04:33:32

●NSns2.cyon.ch2026-03-11 → 2026-08-12 · 3 obs

○ 2017-04-10 12:36:48
● 2026-03-11 16:23:58
● 2026-08-12 04:33:32

○NSns2.simple.ch2015-05-26 → 2017-04-10 · 4 obs

● 2015-05-26 19:33:00
● 2017-04-10 12:36:48
○ 2026-03-11 16:23:58
○ 2026-08-12 04:33:32

●MXmail.zeichenlehrer.ch2026-03-11 → 2026-08-12 · 2 obs

● 2026-03-11 16:23:58
● 2026-08-12 04:33:32

●A149.126.4.1512026-06-24 → 2026-08-12 · 3 obs

○ 2026-05-09 02:13:46
● 2026-06-24 08:02:38
● 2026-08-12 04:33:32

○A149.126.4.592017-04-10 → 2017-04-10 · 4 obs

○ 2016-09-12 14:11:50
● 2017-04-10 12:36:48
○ 2026-03-11 16:23:58
○ 2026-08-12 04:33:32

○A149.126.6.212026-03-11 → 2026-05-09 · 5 obs

○ 2017-04-10 12:36:48
● 2026-03-11 16:23:58
● 2026-05-09 02:13:46
○ 2026-06-24 08:02:38
○ 2026-08-12 04:33:32

○A194.126.200.552015-05-26 → 2016-09-12 · 4 obs

● 2015-05-26 19:33:00
● 2016-09-12 14:11:50
○ 2017-04-10 12:36:48
○ 2026-08-12 04:33:32

●A2a01:ab20:0:4::1512026-06-24 → 2026-08-12 · 3 obs

○ 2026-05-09 02:13:46
● 2026-06-24 08:02:38
● 2026-08-12 04:33:32

○A2a01:ab20:0:6::212026-03-11 → 2026-05-09 · 5 obs

○ 2017-04-10 12:36:48
● 2026-03-11 16:23:58
● 2026-05-09 02:13:46
○ 2026-06-24 08:02:38
○ 2026-08-12 04:33:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
zeichenlehrer.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

⚠️ Insecure (no DNSSEC)

No DS record for zeichenlehrer.ch (unsigned zone)

⏱️ Timing

Total: 611ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.126.4.151`
AAAA	1	`2a01:ab20:0:4::151`
NS	2	`ns2.cyon.ch, ns1.cyon.ch`
MX	1	`mail.zeichenlehrer.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 (ns1.cyon.ch, ns2.cyon.ch, ns1.cyon.ch...)

Analysis

Hierarchy

zeichenlehrer.ch is the parent zone for mail.zeichenlehrer.ch.

IP Addresses

zeichenlehrer.ch resolves to the IP addresses 149.126.4.151 and 2a01:ab20:0:4::151

fastenopfer.ch, mail.fliz.ch, hotel-seeburg.com and two other host names share IP numbers with zeichenlehrer.ch.

Name Servers

zeichenlehrer.ch is served by two delegated name servers, ns1.cyon.ch and ns2.cyon.ch.

zeichenlehrer.ch uses the same name servers as several other domains — among them spice-harmony.com, gruene-muensingen.ch, panoswiss.ch and two more.

Each of the two host names carries two IP addresses: ns1.cyon.ch points to 185.174.216.2 and 2a01:ab20:0:185::2, and ns2.cyon.ch points to 91.206.24.2 and 2001:67c:234::2.

Mail Servers

Mail for zeichenlehrer.ch is handled by a single mail server, mail.zeichenlehrer.ch.

The host mail.zeichenlehrer.ch resolves to 149.126.4.151 and 2a01:ab20:0:4::151 — two IP addresses.

zeichenlehrer.ch - robtex.com