`4-4-2.ch`

DNSSEC	🔒 Signed (DS record present)
A	185.101.158.113^{🇨🇭 hosttech-AS185.101.158.0/24}
		PTR	`default.hosttech.eu`
NS	`ns1.hosttech.ch` ⭐ ⚠️ Not in parent delegation
		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	`ns1.hosttech.de` ⚠️ Not in zone NS records
		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` ⚠️ Not in parent delegation
		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	`ns2.hosttech.de` ⚠️ Not in zone NS records
		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` ⚠️ Not in parent delegation
		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`
NS	`ns3.hosttech.de` ⚠️ Not in zone NS records
		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 2025-07-31 #79

`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 2026-07-19 #25

Subdomains

mail.4-4-2.ch

www.4-4-2.ch

Same first word

4-4-2.com

4-4-2.com.mx

4-4-2.ch

4-4-2.ru

4-4-2.com.ua

DNS History

19 records (9 active, 10 former)

○NSdns1.stabletransit.com2015-08-09 → 2016-02-29 · 5 obs

○ 2008-12-09 15:15:50
● 2015-08-09 22:12:40
● 2016-02-29 15:34:54
○ 2016-06-25 04:26:04
○ 2026-07-19 11:37:18

○NSdns2.stabletransit.com2015-08-09 → 2016-02-29 · 5 obs

○ 2008-12-09 15:15:50
● 2015-08-09 22:12:40
● 2016-02-29 15:34:54
○ 2016-06-25 04:26:04
○ 2026-07-19 11:37:18

○NSns.rackspace.com2015-08-09 → 2016-02-29 · 5 obs

○ 2008-12-09 15:15:50
● 2015-08-09 22:12:40
● 2016-02-29 15:34:54
○ 2016-06-25 04:26:04
○ 2026-07-19 11:37:18

○NSns1.first-ns.de2008-12-09 → 2008-12-09 · 3 obs

● 2008-12-09 15:15:50
○ 2015-08-09 22:12:40
○ 2026-07-19 11:37:18

●NSns1.hosttech.ch2016-06-25 → 2026-07-19 · 3 obs

○ 2016-02-29 15:34:54
● 2016-06-25 04:26:04
● 2026-07-19 11:37:18

●NSns1.hosttech.de2026-02-19 → 2026-07-19 · 3 obs

○ 2016-06-25 04:26:04
● 2026-02-19 09:28:36
● 2026-07-19 11:37:18

●NSns2.hosttech.ch2016-06-25 → 2026-07-19 · 3 obs

○ 2016-02-29 15:34:54
● 2016-06-25 04:26:04
● 2026-07-19 11:37:18

●NSns2.hosttech.de2026-02-19 → 2026-07-19 · 3 obs

○ 2016-06-25 04:26:04
● 2026-02-19 09:28:36
● 2026-07-19 11:37:18

●NSns3.hosttech.ch2016-06-25 → 2026-07-19 · 3 obs

○ 2016-02-29 15:34:54
● 2016-06-25 04:26:04
● 2026-07-19 11:37:18

●NSns3.hosttech.de2026-02-19 → 2026-07-19 · 3 obs

○ 2016-06-25 04:26:04
● 2026-02-19 09:28:36
● 2026-07-19 11:37:18

○NSrobotns2.second-ns.de2008-12-09 → 2008-12-09 · 3 obs

● 2008-12-09 15:15:50
○ 2015-08-09 22:12:40
○ 2026-07-19 11:37:18

○NSrobotns3.second-ns.com2008-12-09 → 2008-12-09 · 3 obs

● 2008-12-09 15:15:50
○ 2015-08-09 22:12:40
○ 2026-07-19 11:37:18

○MXmail.4-4-2.ch2008-12-09 → 2017-09-13 · 6 obs

● 2008-12-09 15:15:50
○ 2015-08-09 22:12:40
● 2016-06-25 04:26:04
● 2017-09-13 23:15:22
○ 2026-02-19 09:28:36
○ 2026-07-19 11:37:18

●MXmail1.hosttech.eu2026-02-19 → 2026-07-19 · 3 obs

○ 2017-09-13 23:15:22
● 2026-02-19 09:28:36
● 2026-07-19 11:37:18

●MXmail2.hosttech.eu2026-02-19 → 2026-07-19 · 3 obs

○ 2017-09-13 23:15:22
● 2026-02-19 09:28:36
● 2026-07-19 11:37:18

●A185.101.158.1132017-09-13 → 2026-07-19 · 3 obs

○ 2016-12-06 07:56:56
● 2017-09-13 23:15:22
● 2026-07-19 11:37:18

○A37.187.167.1332015-08-09 → 2016-02-29 · 5 obs

○ 2008-12-09 15:15:50
● 2015-08-09 22:12:40
● 2016-02-29 15:34:54
○ 2016-06-25 04:26:04
○ 2026-07-19 11:37:18

○A62.112.148.42016-06-25 → 2016-12-06 · 5 obs

○ 2016-02-29 15:34:54
● 2016-06-25 04:26:04
● 2016-12-06 07:56:56
○ 2017-09-13 23:15:22
○ 2026-07-19 11:37:18

○A85.199.129.1702008-12-09 → 2008-12-09 · 3 obs

● 2008-12-09 15:15:50
○ 2015-08-09 22:12:40
○ 2026-07-19 11:37:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
4-4-2.ch	ns3.hosttech.de, ns1.hosttech.de, ns2.hosttech.de	-

✅ Authoritative Response

Server:94.130.74.45

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1200ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.101.158.113`
NS	3	`ns1.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`

Analysis

Hierarchy

The parent domain of mail.4-4-2.ch and www.4-4-2.ch is 4-4-2.ch.

IP Addresses

4-4-2.ch directs to one IP number, which is 185.101.158.113.

Among the host names that share IP numbers with 4-4-2.ch are mail.cityguide-lausanne.com, artofphotos.at, mail.dns-vault.com and two others.

Name Servers

4-4-2.ch is delegated to 6 name servers: ns1.hosttech.ch, ns2.hosttech.ch, ns3.hosttech.ch and 3 other.

4-4-2.ch has at least partial name server overlap with other domains, such as maderag.ch, neutralsecurityagency.de, vsge.ch and two others.

ns1.hosttech.de, ns2.hosttech.de and ns3.hosttech.de — plus 6 other name servers — are commonly paired with these name servers.

Hosts with two IP numbers each:

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

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

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

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

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

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

ns1.hosttech.ch and ns1.hosttech.de are host names that each point to 2001:1680:101:1::2 IP addresses.

ns1.hosttech.ch and ns1.hosttech.de are host names that each point to 82.220.34.231 IP addresses.

ns2.hosttech.ch and ns2.hosttech.de are host names that each point to 2001:1af8:4700:a120:4::2 IP addresses.

ns2.hosttech.ch and ns2.hosttech.de are host names that each point to 5.79.97.178 IP addresses.

ns3.hosttech.ch and ns3.hosttech.de are host names that each point to 2a01:4f8:c0c:289d::2 IP addresses.

ns3.hosttech.ch and ns3.hosttech.de are host names that each point to 94.130.74.45 IP addresses.

Mail Servers

The MX records for 4-4-2.ch point to two mail servers: mail1.hosttech.eu and mail2.hosttech.eu.

4-4-2.ch has the same mail server arrangement as a number of other domains, for example porscheclubzuerich.ch, kohlenstoff.at, ecgo.ch 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.

4-4-2.ch - robtex.com

4-4-2.ch

ch

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`4-4-2.ch`

`ch`