`computer-doktor.ch`

DNSSEC	⚠️ Not signed
A	185.101.158.216^{🇨🇭 hosttech-AS185.101.158.0/24}
		PTR	`mx131.mail.hosttech.eu`
NS	`ns1.hosttech.ch` ⭐
		A	2001:1680:101:1::2^{🇨🇭 SOLNET2001:1680::/32 SolNet Switzerland}
		A	82.220.34.231^{🇨🇭 SOLNET82.220.0.0/16 SolNet Switzerland}
			PTR	`ns1.tripledns.eu`
NS	`ns2.hosttech.ch`
		A	2001:1af8:4700:a120:4::2^{🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb}
		A	5.79.97.178^{🇳🇱 LEASEWEB-NL-AMS-015.79.64.0/18 LEASEWEB}
			PTR	`ns2.tripledns.eu`
NS	`ns3.hosttech.ch`
		A	2a01:4f8:c0c:289d::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	94.130.74.45^{🇩🇪 Hetzner94.130.0.0/16 HETZNER-DC}
			PTR	`ns3.tripledns.eu`
MX	`mail1.hosttech.eu` ⭐
		A	2001:1680:101:83a::d8^{🇨🇭 SOLNET2001:1680::/32 SolNet Switzerland}
			PTR	`mail1.hosttech.eu`
		A	193.203.253.28^{🇨🇭 hosttech-AS193.203.253.0/24}
			PTR	`mail1.hosttech.eu`
MX	`mail2.hosttech.eu` ⭐
		A	2a11:8b80:1000:1::4c^{🇨🇭 INIT72a11:8b80::/32}
			PTR	`mail2.hosttech.eu`
		A	45.131.253.20^{🇨🇭 INIT745.131.253.0/24}
			PTR	`mail2.hosttech.eu`
TXT	`google-site-verification=XzPH0nLxatWUnWMnXJg3BaF_Pvc8eA-6EI7qkiilG0k`
TXT	`google-site-verification=ft6GkDVs0gHcMeUHw36ipKuFFZ0dQzKaPsEqsvJSJ2M`
TXT	`v=spf1 +mx +a include:_spf.mail.hostserv.eu ~all`
SOA	`ns1.hosttech.ch`dns@hosttech.eu 2025-07-15 #84

`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 2026-03-28 #2

WOT: SAFE (68/100)

Previously MX for

computer-doktor.ch

Same first word

computer-doktor.ch

computer-doktor.cz

computer-doktor.com

DNS History

14 records (6 active, 8 former)

○NSns1.cyon.ch2015-08-12 → 2017-04-05 · 4 obs

● 2015-08-12 23:01:32
● 2017-04-05 23:00:42
○ 2020-03-29 18:18:18
○ 2026-03-28 00:34:24

●NSns1.hosttech.ch2020-03-29 → 2026-03-28 · 3 obs

○ 2017-04-05 23:00:42
● 2020-03-29 18:18:18
● 2026-03-28 00:34:24

○NSns2.cyon.ch2015-08-12 → 2017-04-05 · 4 obs

● 2015-08-12 23:01:32
● 2017-04-05 23:00:42
○ 2020-03-29 18:18:18
○ 2026-03-28 00:34:24

●NSns2.hosttech.ch2020-03-29 → 2026-03-28 · 3 obs

○ 2017-04-05 23:00:42
● 2020-03-29 18:18:18
● 2026-03-28 00:34:24

●NSns3.hosttech.ch2020-03-29 → 2026-03-28 · 3 obs

○ 2017-04-05 23:00:42
● 2020-03-29 18:18:18
● 2026-03-28 00:34:24

○MXcomputer-doktor.ch2015-08-12 → 2017-04-05 · 4 obs

● 2015-08-12 23:01:32
● 2017-04-05 23:00:42
○ 2020-03-29 18:18:18
○ 2026-03-28 00:34:24

○MXmail.computer-doktor.ch2020-03-29 → 2020-03-29 · 4 obs

○ 2017-04-05 23:00:42
● 2020-03-29 18:18:18
○ 2026-02-17 07:16:04
○ 2026-03-28 00:34:24

●MXmail1.hosttech.eu2026-02-17 → 2026-03-28 · 3 obs

○ 2020-03-29 18:18:18
● 2026-02-17 07:16:04
● 2026-03-28 00:34:24

●MXmail2.hosttech.eu2026-02-17 → 2026-03-28 · 3 obs

○ 2020-03-29 18:18:18
● 2026-02-17 07:16:04
● 2026-03-28 00:34:24

○A149.126.4.162017-04-05 → 2017-04-05 · 4 obs

○ 2016-09-10 06:32:20
● 2017-04-05 23:00:42
○ 2020-03-29 18:18:18
○ 2026-03-28 00:34:24

●A185.101.158.2162026-02-17 → 2026-03-28 · 3 obs

○ 2020-03-29 18:18:18
● 2026-02-17 07:16:04
● 2026-03-28 00:34:24

○A194.126.200.402015-08-12 → 2015-08-12 · 3 obs

● 2015-08-12 23:01:32
○ 2015-12-10 16:04:06
○ 2026-03-28 00:34:24

○A194.126.200.632015-12-10 → 2016-09-10 · 5 obs

○ 2015-08-12 23:01:32
● 2015-12-10 16:04:06
● 2016-09-10 06:32:20
○ 2017-04-05 23:00:42
○ 2026-03-28 00:34:24

○A82.220.38.592020-03-29 → 2020-03-29 · 4 obs

○ 2017-04-05 23:00:42
● 2020-03-29 18:18:18
○ 2026-02-17 07:16:04
○ 2026-03-28 00:34:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
computer-doktor.ch	ns1.hosttech.ch, ns3.hosttech.ch, ns2.hosttech.ch	6 records

✅ Authoritative Response

Server:82.220.34.231

NS records: ns1.hosttech.ch, ns3.hosttech.ch, ns2.hosttech.ch

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 798ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.101.158.216`
NS	3	`ns2.hosttech.ch, ns1.hosttech.ch...`
MX	2	`mail1.hosttech.eu (pri: 10), mail2.hosttech.eu (pri: 10)`
TXT	3	`google-site-verification=ft6GkDVs0gHcMeU, v=spf1 +mx +a include:_spf.mail.hostserv...`
SOA	1	`ns1.hosttech.ch dns.hosttech.eu`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns3.hosttech.ch, ns2.hosttech.ch, ns1.hosttech.ch...)

Analysis

IP Addresses

computer-doktor.ch points to a single IP number: 185.101.158.216.

other host names for instance chiuchemand.li, mail.lifgun.com, mail.autoclean.ch, tph-bern.ch and wanderschweiz.com share IP numbers with computer-doktor.ch.

Name Servers

computer-doktor.ch is delegated to three name servers: ns1.hosttech.ch, ns2.hosttech.ch and ns3.hosttech.ch.

computer-doktor.ch at least partially shares name servers with other domains, for instance common-one.com, vsgp-ums.ch, entruemplung.ch, mycaps.ch and claudehohl.ch.

These name servers are commonly used alongside the name servers ns1.hostserv.eu, ns2.hostserv.eu, ns3.hostserv.eu, ns1.website-creator.ch and ns2.website-creator.ch.

Host names with two IP numbers:

Host ns1.hosttech.ch points to 2001:1680:101:1::2 and 82.220.34.231.

Host ns2.hosttech.ch points to 2001:1af8:4700:a120:4::2 and 5.79.97.178.

Host ns3.hosttech.ch points to 2a01:4f8:c0c:289d::2 and 94.130.74.45.

Mail Servers

computer-doktor.ch is handled by two mail servers: mail1.hosttech.eu and mail2.hosttech.eu.

computer-doktor.ch shares the same mail server setup as other domains, for instance feuchtigkeit.ch, trollstua.ch, gothics.ch, sturniolo.ch and klarion.ch.

computer-doktor.ch shares some mail servers with other domains at least partially, for example sassin.net.

Host names with two IP numbers:

mail1.hosttech.eu points to 2001:1680:101:83a::d8 and 193.203.253.28

mail2.hosttech.eu points to 2a11:8b80:1000:1::4c and 45.131.253.20

computer-doktor.ch - robtex.com