`wittwer-engineering.ch`

DNSSEC	⚠️ Not signed
A	2001:1680:101:fb::1^{🇨🇭 SOLNET2001:1680::/32 SolNet Switzerland}
A	185.178.193.44^{🇨🇭 hosttech-AS185.178.193.0/24}
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}
			PTR	`mail2.hosttech.eu`
TXT	`v=spf1 +mx +a include:_spf.mail.hostserv.eu ~all`
SOA	`ns1.hosttech.ch`dns@hosttech.eu 2026-04-07 #5

`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 2026-04-26 #38

WOT: SAFE (68/100)

Subdomains

mail.wittwer-engineering.ch

Same first word

wittwer-engineering.ch

DNS History

12 records (7 active, 5 former)

○NSns.ch-inter.net2015-06-21 → 2018-05-23 · 4 obs

● 2015-06-21 18:51:36
● 2018-05-23 13:17:08
○ 2026-04-22 16:21:14
○ 2026-04-26 17:46:36

○NSns1.contrexxhosting.com2015-06-21 → 2018-05-23 · 4 obs

● 2015-06-21 18:51:36
● 2018-05-23 13:17:08
○ 2026-04-22 16:21:14
○ 2026-04-26 17:46:36

●NSns1.hosttech.ch2026-04-22 → 2026-04-26 · 3 obs

○ 2018-05-23 13:17:08
● 2026-04-22 16:21:14
● 2026-04-26 17:46:36

○NSns2.contrexxhosting.com2015-06-21 → 2018-05-23 · 4 obs

● 2015-06-21 18:51:36
● 2018-05-23 13:17:08
○ 2026-04-22 16:21:14
○ 2026-04-26 17:46:36

●NSns2.hosttech.ch2026-04-22 → 2026-04-26 · 3 obs

○ 2018-05-23 13:17:08
● 2026-04-22 16:21:14
● 2026-04-26 17:46:36

●NSns3.hosttech.ch2026-04-22 → 2026-04-26 · 3 obs

○ 2018-05-23 13:17:08
● 2026-04-22 16:21:14
● 2026-04-26 17:46:36

○MXmail.wittwer-engineering.ch2015-06-21 → 2018-05-23 · 4 obs

● 2015-06-21 18:51:36
● 2018-05-23 13:17:08
○ 2026-04-22 16:21:14
○ 2026-04-26 17:46:36

●MXmail1.hosttech.eu2026-04-22 → 2026-04-26 · 3 obs

○ 2018-05-23 13:17:08
● 2026-04-22 16:21:14
● 2026-04-26 17:46:36

●MXmail2.hosttech.eu2026-04-22 → 2026-04-26 · 3 obs

○ 2018-05-23 13:17:08
● 2026-04-22 16:21:14
● 2026-04-26 17:46:36

●A185.178.193.442026-04-22 → 2026-04-26 · 3 obs

○ 2018-05-23 13:17:08
● 2026-04-22 16:21:14
● 2026-04-26 17:46:36

●A2001:1680:101:fb::12026-04-22 → 2026-04-26 · 3 obs

○ 2018-05-23 13:17:08
● 2026-04-22 16:21:14
● 2026-04-26 17:46:36

○A80.74.145.302015-06-21 → 2018-05-23 · 4 obs

● 2015-06-21 18:51:36
● 2018-05-23 13:17:08
○ 2026-04-22 16:21:14
○ 2026-04-26 17:46:36

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:94.130.74.45

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for wittwer-engineering.ch (unsigned zone)

⏱️ Timing

Total: 654ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.178.193.44`
AAAA	1	`2001:1680:101:fb::1`
NS	3	`ns1.hosttech.ch, ns3.hosttech.ch...`
MX	2	`mail1.hosttech.eu (pri: 10), mail2.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

The parent of mail.wittwer-engineering.ch is wittwer-engineering.ch.

IP Addresses

Two IP numbers are pointed to by wittwer-engineering.ch: 2001:1680:101:fb::1 and 185.178.193.44.

other host names include www.torggler.co.at, mail.abts.ch, mx225.mail.hosttech.eu, ns1.baumgardt.ch and corny.baumgardt.ch; they share IP numbers with wittwer-engineering.ch.

Name Servers

wittwer-engineering.ch is delegated to three name servers ns1.hosttech.ch, ns2.hosttech.ch and ns3.hosttech.ch.

wittwer-engineering.ch at least partially shares name servers with other domains, for instance verita.ch, musikgarten.ch, pool-energie.ch, ato-press.com and rusmu.ch.

These name servers are commonly used alongside ns1.hostserv.eu, ns2.hostserv.eu and ns3.hostserv.eu.

Host names with two IP numbers:

ns1.hosttech.ch points to 2001:1680:101:1::2 and 82.220.34.231; ns2.hosttech.ch points to 2001:1af8:4700:a120:4::2 and 5.79.97.178; ns3.hosttech.ch points to 2a01:4f8:c0c:289d::2 and 94.130.74.45.

Mail Servers

wittwer-engineering.ch is handled by two mail servers: mail1.hosttech.eu and mail2.hosttech.eu.

wittwer-engineering.ch uses the same mail server setup as other domains, for instance lichtenergie.ch, morof.ch, (0x706f726e)sup.com, clusterserver.ch and berater24.ch.

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.

wittwer-engineering.ch - robtex.com