`computer-training.ch`

DNSSEC	🔒 Signed (DS record present)
A	92.43.216.111^{🇨🇭 WEBLAND-AS92.43.216.0/21 Webland AG, Switzerland}
		PTR	`wl11.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	`computertraining-ch02b.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms11468698`
SOA	`ns1.webland.ch`postmaster@computer-training.ch 2026-05-05 #31

`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 2026-06-21 #29

Same first word

computer-training.nl

computer-training.ch

DNS History

7 records (6 active, 1 former)

●NSns1.webland.ch2015-07-26 → 2026-06-21 · 2 obs

● 2015-07-26 15:37:34
● 2026-06-21 13:23:44

●NSns2.webland.ch2015-07-26 → 2026-06-21 · 2 obs

● 2015-07-26 15:37:34
● 2026-06-21 13:23:44

●NSns3.webland.ch2016-06-19 → 2026-06-21 · 3 obs

○ 2015-07-26 15:37:34
● 2016-06-19 15:32:40
● 2026-06-21 13:23:44

●NSns4.webland.ch2016-06-19 → 2026-06-21 · 3 obs

○ 2015-07-26 15:37:34
● 2016-06-19 15:32:40
● 2026-06-21 13:23:44

●MXcomputertraining-ch02b.mail.protection.outlook.com2017-08-16 → 2026-06-21 · 3 obs

○ 2017-01-24 11:28:02
● 2017-08-16 13:07:22
● 2026-06-21 13:23:44

○MXmail.computer-training.ch2015-07-26 → 2017-01-24 · 4 obs

● 2015-07-26 15:37:34
● 2017-01-24 11:28:02
○ 2017-08-16 13:07:22
○ 2026-06-21 13:23:44

●A92.43.216.1112015-07-26 → 2026-06-21 · 2 obs

● 2015-07-26 15:37:34
● 2026-06-21 13:23:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
computer-training.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: 633ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`92.43.216.111`
NS	4	`ns1.webland.ch, ns4.webland.ch...`
MX	1	`computertraining-ch02b.mail.protection.o`
TXT	2	`MS=ms11468698, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.webland.ch postmaster.computer-train`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

computer-training.ch resolves to just one IP address, 92.43.216.111.

Two other host names, along with mail.swissoldstylers.ch, eurosht.org and segit.ch, also share IP numbers with computer-training.ch.

Name Servers

The NS records for computer-training.ch point to four name servers: ns1.webland.ch, ns2.webland.ch, ns3.webland.ch and ns4.webland.ch.

At least some of computer-training.ch's name servers are shared with other domains, for example kahu.ch, formica.ch, strupler.net and two more.

The hosts ns1.webland.ch, ns2.webland.ch, ns3.webland.ch and ns4.webland.ch all resolve to exactly one IP address each: 92.43.216.7, 92.43.217.7, 92.43.216.8 and 92.43.217.8 respectively.

Mail Servers

The sole mail server for computer-training.ch is computertraining-ch02b.mail.protection.outlook.com.

With 8 IP addresses total, computertraining-ch02b.mail.protection.outlook.com resolves to 52.101.68.0, 52.101.68.8, 52.101.68.10 and 5 others.

computer-training.ch - robtex.com