patchwork-kurse.ch - dns.ninja

`patchwork-kurse.ch`

DNSSEC	🔒 Signed (DS record present)
A	2001:1680:101:25d::1^{🇨🇭 SOLNET2001:1680::/32 SolNet Switzerland}
A	185.101.158.100^{🇨🇭 hosttech-AS185.101.158.0/24}
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}
TXT	`v=spf1 +mx +a include:_spf.mail.hostserv.eu ~all`
SOA	`ns1.hosttech.ch`dns@hosttech.eu 2026-04-07 #38

`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 2026-07-18 #34

Subdomains

mail.patchwork-kurse.ch

Same first word

patchwork-kurse.ch

DNS History

13 records (7 active, 6 former)

●NSns1.hosttech.ch2020-03-02 → 2026-07-18 · 3 obs

○ 2017-02-10 10:28:38
● 2020-03-02 10:12:10
● 2026-07-18 15:58:54

○NSns1.webland.ch2015-08-10 → 2017-02-10 · 4 obs

● 2015-08-10 02:13:22
● 2017-02-10 10:28:38
○ 2020-03-02 10:12:10
○ 2026-07-18 15:58:54

●NSns2.hosttech.ch2020-03-02 → 2026-07-18 · 3 obs

○ 2017-02-10 10:28:38
● 2020-03-02 10:12:10
● 2026-07-18 15:58:54

○NSns2.webland.ch2015-08-10 → 2017-02-10 · 4 obs

● 2015-08-10 02:13:22
● 2017-02-10 10:28:38
○ 2020-03-02 10:12:10
○ 2026-07-18 15:58:54

●NSns3.hosttech.ch2020-03-02 → 2026-07-18 · 3 obs

○ 2017-02-10 10:28:38
● 2020-03-02 10:12:10
● 2026-07-18 15:58:54

○NSns3.webland.ch2015-08-10 → 2017-02-10 · 4 obs

● 2015-08-10 02:13:22
● 2017-02-10 10:28:38
○ 2020-03-02 10:12:10
○ 2026-07-18 15:58:54

○NSns4.webland.ch2015-08-10 → 2017-02-10 · 4 obs

● 2015-08-10 02:13:22
● 2017-02-10 10:28:38
○ 2020-03-02 10:12:10
○ 2026-07-18 15:58:54

○MXmail.patchwork-kurse.ch2015-08-10 → 2020-03-02 · 4 obs

● 2015-08-10 02:13:22
● 2020-03-02 10:12:10
○ 2026-05-09 15:51:26
○ 2026-07-18 15:58:54

●MXmail1.hosttech.eu2026-05-09 → 2026-07-18 · 3 obs

○ 2020-03-02 10:12:10
● 2026-05-09 15:51:26
● 2026-07-18 15:58:54

●MXmail2.hosttech.eu2026-05-09 → 2026-07-18 · 3 obs

○ 2020-03-02 10:12:10
● 2026-05-09 15:51:26
● 2026-07-18 15:58:54

●A185.101.158.1002020-03-02 → 2026-07-18 · 3 obs

○ 2017-02-10 10:28:38
● 2020-03-02 10:12:10
● 2026-07-18 15:58:54

●A2001:1680:101:25d::12026-05-09 → 2026-07-18 · 3 obs

○ 2020-03-02 10:12:10
● 2026-05-09 15:51:26
● 2026-07-18 15:58:54

○A92.43.216.1212015-08-10 → 2017-02-10 · 4 obs

● 2015-08-10 02:13:22
● 2017-02-10 10:28:38
○ 2020-03-02 10:12:10
○ 2026-07-18 15:58:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, e.nic.ch, f.nic.ch, b.nic.ch...	-
patchwork-kurse.ch	ns3.hosttech.ch, ns2.hosttech.ch, ns1.hosttech.ch	6 records

✅ Authoritative Response

Server:82.220.34.231

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 812ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.101.158.100`
AAAA	1	`2001:1680:101:25d::1`
NS	3	`ns3.hosttech.ch, ns2.hosttech.ch...`
MX	2	`mail2.hosttech.eu (pri: 10), mail1.hosttech.eu (pri: 10)`
TXT	1	`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

Hierarchy

patchwork-kurse.ch serves as the parent of mail.patchwork-kurse.ch.

IP Addresses

patchwork-kurse.ch directs to two IP numbers, 185.101.158.100 and 2001:1680:101:25d::1

Among the host names that share IP numbers with patchwork-kurse.ch are mail.ism.ch, www.webemail.at, mybackoffice.ch and two others.

Name Servers

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

patchwork-kurse.ch has at least partial name server overlap with other domains, such as aircom.ch, bknet.ch, juliasteiner.ch and two others.

ns1.hostserv.eu, ns2.hostserv.eu and ns3.hostserv.eu — plus 3 other name servers — are commonly paired with these name servers.

ns1.hosttech.ch, ns2.hosttech.ch and ns3.hosttech.ch each resolve to two IP addresses: ns1.hosttech.ch resolves to 82.220.34.231 and 2001:1680:101:1::2; ns2.hosttech.ch resolves to 5.79.97.178 and 2001:1af8:4700:a120:4::2; ns3.hosttech.ch resolves to 94.130.74.45 and 2a01:4f8:c0c:289d::2.

Mail Servers

The MX records for patchwork-kurse.ch point to two mail servers: mail1.hosttech.eu and mail2.hosttech.eu.

patchwork-kurse.ch has the same mail server arrangement as a number of other domains, for example pozilei.at, club-bluemoon.ch, sebs.at and two more.

mail1.hosttech.eu and mail2.hosttech.eu each resolve to two IP addresses: mail1.hosttech.eu points to 193.203.253.28 and 2001:1680:101:83a::d8, while mail2.hosttech.eu points to 45.131.253.20 and 2a11:8b80:1000:1::4c.