`buchmannschule.com`

DNSSEC	⚠️ Not signed
A	2a01:ab20:0:4::130^{🇨🇭 CYON2a01:ab20::/32}
		PTR	`s121.cyon.net`
A	149.126.4.130^{🇨🇭 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.buchmannschule.com` ⭐
		A	2a01:ab20:0:4::130^{🇨🇭 CYON2a01:ab20::/32}
			PTR	`s121.cyon.net`
		A	149.126.4.130^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}
			PTR	`s121.cyon.net`
TXT	`v=spf1 include:spf.protection.cyon.net -all`
SOA	`ns1.cyon.ch`server@cyon.ch 2025-03-25 #2

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774812522

Subdomains

mail.buchmannschule.com

Same first word

buchmannschule.com

DNS History

12 records (5 active, 7 former)

○NSns1.bodis.com2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 02:27:30
○ 2015-07-20 09:14:50
○ 2026-03-29 19:37:00

●NSns1.cyon.ch2026-03-29 → 2026-03-29 · 2 obs

○ 2017-07-09 07:32:46
● 2026-03-29 19:37:00

○NSns1.hosttech.ch2015-07-20 → 2017-07-09 · 4 obs

○ 2008-03-08 02:27:30
● 2015-07-20 09:14:50
● 2017-07-09 07:32:46
○ 2026-03-29 19:37:00

○NSns2.bodis.com2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 02:27:30
○ 2015-07-20 09:14:50
○ 2026-03-29 19:37:00

●NSns2.cyon.ch2026-03-29 → 2026-03-29 · 2 obs

○ 2017-07-09 07:32:46
● 2026-03-29 19:37:00

○NSns2.hosttech.ch2015-07-20 → 2017-07-09 · 4 obs

○ 2008-03-08 02:27:30
● 2015-07-20 09:14:50
● 2017-07-09 07:32:46
○ 2026-03-29 19:37:00

○NSns3.hosttech.ch2015-07-20 → 2017-07-09 · 4 obs

○ 2008-03-08 02:27:30
● 2015-07-20 09:14:50
● 2017-07-09 07:32:46
○ 2026-03-29 19:37:00

●MXmail.buchmannschule.com2015-07-20 → 2026-03-29 · 3 obs

○ 2008-03-08 02:27:30
● 2015-07-20 09:14:50
● 2026-03-29 19:37:00

●A149.126.4.1302026-03-29 → 2026-03-29 · 2 obs

○ 2017-07-09 07:32:46
● 2026-03-29 19:37:00

○A208.75.248.902008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 02:27:30
○ 2015-07-20 09:14:50
○ 2026-03-29 19:37:00

●A2a01:ab20:0:4::1302026-03-29 → 2026-03-29 · 2 obs

○ 2017-07-09 07:32:46
● 2026-03-29 19:37:00

○A82.220.38.2362015-07-20 → 2017-07-09 · 4 obs

○ 2008-03-08 02:27:30
● 2015-07-20 09:14:50
● 2017-07-09 07:32:46
○ 2026-03-29 19:37:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
buchmannschule.com	ns1.cyon.ch, ns2.cyon.ch	-

✅ Authoritative Response

Server:185.174.216.2

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buchmannschule.com (unsigned zone)

⏱️ Timing

Total: 594ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.126.4.130`
AAAA	1	`2a01:ab20:0:4::130`
NS	2	`ns1.cyon.ch, ns2.cyon.ch`
MX	1	`mail.buchmannschule.com (pri: 0)`
TXT	1	`v=spf1 include:spf.protection.cyon.net -`
SOA	1	`ns1.cyon.ch server.cyon.ch`

Analysis

Hierarchy

mail.buchmannschule.com has buchmannschule.com as its parent.

IP Addresses

buchmannschule.com points to two IPs: 2a01:ab20:0:4::130 and 149.126.4.130.

Other host names, for instance magerber.ch, mail.skiriege-auenstein.ch, annabokel.ch, mail.coupledancing.info and mail.antispray.ch share IP numbers with buchmannschule.com.

Name Servers

Two name servers ns1.cyon.ch and ns2.cyon.ch are delegated to buchmannschule.com.

buchmannschule.com uses the same name server configuration as other domains, such as treu-co.com, hochstamm-seetal.ch, daetwyler-intercoiffure.ch, footjob.ch and schaller.photography.

buchmannschule.com shares name servers with other domains at least partially, for instance haeberliconsulting.ch and isaver.ch.

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

buchmannschule.com is handled by a single mail server, mail.buchmannschule.com.

Host name mail.buchmannschule.com points to IPs 2a01:ab20:0:4::130 and 149.126.4.130.

buchmannschule.com - robtex.com