`computerschool.ch`

DNSSEC	⚠️ Not signed
A	92.43.218.157^{🇨🇭 WEBLAND-AS92.43.216.0/21 Webland AG, Switzerland}
		PTR	`wl57.webland.ch`
NS	`ns1.webland.ch` ⭐
		A	92.43.216.7^{🇨🇭 WEBLAND-AS92.43.216.0/21 Webland AG, Switzerland}
			PTR	`ns1.webland.ch`
NS	`ns2.webland.ch`
		A	92.43.217.7^{🇨🇭 WEBLAND-AS92.43.216.0/21 Webland AG, Switzerland}
			PTR	`ns2.webland.ch`
NS	`ns3.webland.ch`
		A	92.43.216.8^{🇨🇭 WEBLAND-AS92.43.216.0/21 Webland AG, Switzerland}
			PTR	`ns3.webland.ch`
NS	`ns4.webland.ch`
		A	92.43.217.8^{🇨🇭 WEBLAND-AS92.43.216.0/21 Webland AG, Switzerland}
			PTR	`ns4.webland.ch`
MX	`mail.computerschool.ch` ⭐
		A	92.43.217.111^{🇨🇭 WEBLAND-AS92.43.216.0/21 Webland AG, Switzerland}
			PTR	`ms11.webland.ch`
TXT	`v=spf1 include:spf.mail.webland.ch -all`
SOA	`ns1.webland.ch`postmaster@computerschool.ch 2026-03-23 #22

`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 2026-04-25 #8

Subdomains

mail.computerschool.ch

Same first word

Similar names

schoolcomputer.nl

schoolcomputer.com

DNS History

9 records (6 active, 3 former)

○NSns1.decweb.ch2015-05-05 → 2016-01-27 · 4 obs

● 2015-05-05 21:57:06
● 2016-01-27 15:50:48
○ 2016-06-25 05:50:08
○ 2026-04-25 02:46:46

●NSns1.webland.ch2016-06-25 → 2026-04-25 · 3 obs

○ 2016-01-27 15:50:48
● 2016-06-25 05:50:08
● 2026-04-25 02:46:46

○NSns2.decweb.ch2015-05-05 → 2016-01-27 · 4 obs

● 2015-05-05 21:57:06
● 2016-01-27 15:50:48
○ 2016-06-25 05:50:08
○ 2026-04-25 02:46:46

●NSns2.webland.ch2016-06-25 → 2026-04-25 · 3 obs

○ 2016-01-27 15:50:48
● 2016-06-25 05:50:08
● 2026-04-25 02:46:46

●NSns3.webland.ch2016-06-25 → 2026-04-25 · 3 obs

○ 2016-01-27 15:50:48
● 2016-06-25 05:50:08
● 2026-04-25 02:46:46

●NSns4.webland.ch2016-06-25 → 2026-04-25 · 3 obs

○ 2016-01-27 15:50:48
● 2016-06-25 05:50:08
● 2026-04-25 02:46:46

●MXmail.computerschool.ch2015-05-05 → 2026-04-25 · 2 obs

● 2015-05-05 21:57:06
● 2026-04-25 02:46:46

○A193.27.218.532015-05-05 → 2016-01-27 · 4 obs

● 2015-05-05 21:57:06
● 2016-01-27 15:50:48
○ 2016-06-25 05:50:08
○ 2026-04-25 02:46:46

●A92.43.218.1572016-06-25 → 2026-04-25 · 3 obs

○ 2016-01-27 15:50:48
● 2016-06-25 05:50:08
● 2026-04-25 02:46:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
computerschool.ch	ns1.webland.ch, ns2.webland.ch, ns3.webland.ch, ns4.webland.ch	4 records

✅ Authoritative Response

Server:92.43.217.8

NS records: ns1.webland.ch, ns2.webland.ch, ns3.webland.ch, ns4.webland.ch

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 572ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`92.43.218.157`
NS	4	`ns2.webland.ch, ns4.webland.ch...`
MX	1	`mail.computerschool.ch (pri: 5)`
TXT	1	`v=spf1 include:spf.mail.webland.ch -all`
SOA	1	`ns1.webland.ch postmaster.computerschool`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.webland.ch, ns2.webland.ch, ns3.webland.ch...)

Analysis

Hierarchy

mail.computerschool.ch has computerschool.ch as its parent.

IP Addresses

computerschool.ch maps to IP address 92.43.218.157.

Other host names, for instance alaxa.ch, www.qbtec.ch, alliedfinance.com, pirmin.ch and ataraxis.ch share IP numbers with computerschool.ch.

Name Servers

computerschool.ch is delegated to four name servers: ns1.webland.ch, ns2.webland.ch, ns3.webland.ch and ns4.webland.ch.

computerschool.ch at least partially shares name servers with other domains such as contcom.ch, business-hotel-basel.ch, feuerbrand-zh.ch, peopal.ch and gefaesspraxis-basel.ch.

Host names with one IP number:

ns1.webland.ch points to: 92.43.216.7

ns2.webland.ch points to: 92.43.217.7

ns3.webland.ch points to: 92.43.216.8

ns4.webland.ch points to: 92.43.217.8

Mail Servers

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

mail.computerschool.ch points to one IP number: 92.43.217.111.

computerschool.ch - robtex.com