`tensing-brunsbuettel.de`

DNSSEC	⚠️ Not signed
A	213.238.37.242^{🇩🇪 WORK-AS213.238.32.0/20 n@work Internet Informationssysteme GmbH}
NS	`ns1.first-ns.de` ⭐
		A	2a01:4f8:0:a101::a:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.first-ns.de`
		A	213.239.242.238^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns1.first-ns.de`
NS	`robotns2.second-ns.de`
		A	2a01:4f8:0:1::5ddc:2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`robotns2.second-ns.de`
		A	213.133.100.103^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`robotns2.second-ns.de`
NS	`robotns3.second-ns.com`
		A	2001:67c:192c::add:a3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`robotns3.second-ns.com`
		A	193.47.99.3^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`robotns3.second-ns.com`
MX	`mail.tensing-brunsbuettel.de` ⭐
		A	213.238.37.242^{🇩🇪 WORK-AS213.238.32.0/20 n@work Internet Informationssysteme GmbH}
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-04-14 #0

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1783903305

Subdomains

www.tensing-brunsbuettel.de

mail.tensing-brunsbuettel.de

Same first word

tensing-brunsbuettel.de

DNS History

6 records (5 active, 1 former)

●NSns1.first-ns.de2015-08-08 → 2026-07-13 · 2 obs

● 2015-08-08 03:28:54
● 2026-07-13 01:00:20

●NSrobotns2.second-ns.de2015-08-08 → 2026-07-13 · 2 obs

● 2015-08-08 03:28:54
● 2026-07-13 01:00:20

●NSrobotns3.second-ns.com2015-08-08 → 2026-07-13 · 2 obs

● 2015-08-08 03:28:54
● 2026-07-13 01:00:20

●MXmail.tensing-brunsbuettel.de2015-08-08 → 2026-07-13 · 2 obs

● 2015-08-08 03:28:54
● 2026-07-13 01:00:20

○A213.238.37.2412015-08-08 → 2020-03-24 · 4 obs

● 2015-08-08 03:28:54
● 2020-03-24 01:15:26
○ 2026-03-22 13:33:00
○ 2026-07-13 01:00:20

●A213.238.37.2422026-03-22 → 2026-07-13 · 3 obs

○ 2020-03-24 01:15:26
● 2026-03-22 13:33:00
● 2026-07-13 01:00:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
tensing-brunsbuettel.de	robotns2.second-ns.de, ns1.first-ns.de, robotns3.second-ns.com	-

✅ Authoritative Response

Server:213.239.242.238

NS records: robotns2.second-ns.de, ns1.first-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tensing-brunsbuettel.de (unsigned zone)

⏱️ Timing

Total: 1070ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.238.37.242`
NS	3	`robotns3.second-ns.com, ns1.first-ns.de...`
MX	1	`mail.tensing-brunsbuettel.de (pri: 10)`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

Analysis

Hierarchy

The parent domain of www.tensing-brunsbuettel.de and mail.tensing-brunsbuettel.de is tensing-brunsbuettel.de.

IP Addresses

tensing-brunsbuettel.de directs to one IP number, which is 213.238.37.242.

Host names such as www.tensing-brunsbuettel.de and mail.tensing-brunsbuettel.de share IP numbers with tensing-brunsbuettel.de.

Name Servers

tensing-brunsbuettel.de is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

tensing-brunsbuettel.de shares at least some of its name servers with other domains, including wirhelfenmenschen.de, puffrace.de, visualenterprise.de and two others.

These name servers are frequently seen alongside the name servers hydrogen.ns.hetzner.com.

robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de each resolve to two IP addresses: robotns3.second-ns.com resolves to 193.47.99.3 and 2001:67c:192c::add:a3; ns1.first-ns.de resolves to 213.239.242.238 and 2a01:4f8:0:a101::a:1; robotns2.second-ns.de resolves to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.

Mail Servers

tensing-brunsbuettel.de routes its mail through a single mail server, mail.tensing-brunsbuettel.de.

mail.tensing-brunsbuettel.de resolves to a single IP number: 213.238.37.242.

tensing-brunsbuettel.de - robtex.com