`firmenregister.de`

DNSSEC	⚠️ Not signed
A	5.44.109.17^{🇩🇪 ONE-NETWORK5.44.108.0/22}
NS	`ns1050.ui-dns.de` ⭐
		A	2001:8d8:fe:53:0:d9a0:5032:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1050.ui-dns.de`
		A	217.160.80.50^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1050.ui-dns.de`
NS	`ns1050.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:5132:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1050.ui-dns.biz`
		A	217.160.81.50^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1050.ui-dns.biz`
NS	`ns1050.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5232:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1050.ui-dns.com`
		A	217.160.82.50^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1050.ui-dns.com`
NS	`ns1050.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5332:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1050.ui-dns.org`
		A	217.160.83.50^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1050.ui-dns.org`
MX	`mx01.tarox-data.de` ⭐
		A	193.22.255.120^{🇩🇪 CLOUDPIT193.22.255.0/24}
			PTR	`mx01.tarox-data.de`
MX	`mx02.tarox-data.de`⁽²⁰⁾
		A	193.22.255.121^{🇩🇪 CLOUDPIT193.22.255.0/24}
			PTR	`mx02.tarox-data.de`
SOA	`ns1050.ui-dns.de`hostmaster@1und1.de 2017-01-28 #10

`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=1775936267

rank #881443 globally
rank #33318 in the tld

Previously MX for

firmenregister.de

Same first word

firmenregister.at

firmenregister.de

firmenregister.eu

DNS History

15 records (7 active, 8 former)

●NSns1050.ui-dns.biz2026-04-11 → 2026-04-11 · 3 obs

○ 2017-03-21 16:11:58
● 2026-04-11 00:49:16
● 2026-04-11 19:46:22

●NSns1050.ui-dns.com2026-04-11 → 2026-04-11 · 3 obs

○ 2017-03-21 16:11:58
● 2026-04-11 00:49:16
● 2026-04-11 19:46:22

●NSns1050.ui-dns.de2026-04-11 → 2026-04-11 · 3 obs

○ 2017-03-21 16:11:58
● 2026-04-11 00:49:16
● 2026-04-11 19:46:22

●NSns1050.ui-dns.org2026-04-11 → 2026-04-11 · 3 obs

○ 2017-03-21 16:11:58
● 2026-04-11 00:49:16
● 2026-04-11 19:46:22

○NSns43.1und1.de2015-08-19 → 2017-03-21 · 4 obs

● 2015-08-19 12:41:00
● 2017-03-21 16:11:58
○ 2026-04-11 00:49:16
○ 2026-04-11 19:46:22

○NSns44.1und1.de2015-08-19 → 2017-03-21 · 4 obs

● 2015-08-19 12:41:00
● 2017-03-21 16:11:58
○ 2026-04-11 00:49:16
○ 2026-04-11 19:46:22

○MXfirmenregister.de2015-08-19 → 2015-08-19 · 3 obs

● 2015-08-19 12:41:00
○ 2015-12-07 16:07:04
○ 2026-04-11 19:46:22

○MXlvps91-250-113-38.dedicated.hosteurope.de2015-12-07 → 2017-03-21 · 5 obs

○ 2015-08-19 12:41:00
● 2015-12-07 16:07:04
● 2017-03-21 16:11:58
○ 2026-04-11 00:49:16
○ 2026-04-11 19:46:22

○MXmx00.kundenserver.de2015-12-07 → 2016-07-13 · 5 obs

○ 2015-08-19 12:41:00
● 2015-12-07 16:07:04
● 2016-07-13 18:10:00
○ 2017-03-21 16:11:58
○ 2026-04-11 19:46:22

○MXmx01.kundenserver.de2015-08-19 → 2016-07-13 · 4 obs

● 2015-08-19 12:41:00
● 2016-07-13 18:10:00
○ 2017-03-21 16:11:58
○ 2026-04-11 19:46:22

●MXmx01.tarox-data.de2026-04-11 → 2026-04-11 · 3 obs

○ 2017-03-21 16:11:58
● 2026-04-11 00:49:16
● 2026-04-11 19:46:22

●MXmx02.tarox-data.de2026-04-11 → 2026-04-11 · 3 obs

○ 2017-03-21 16:11:58
● 2026-04-11 00:49:16
● 2026-04-11 19:46:22

●A5.44.109.172026-04-11 → 2026-04-11 · 3 obs

○ 2017-03-21 16:11:58
● 2026-04-11 00:49:16
● 2026-04-11 19:46:22

○A87.106.1.1492015-08-19 → 2015-08-19 · 3 obs

● 2015-08-19 12:41:00
○ 2015-12-07 16:07:04
○ 2026-04-11 19:46:22

○A87.230.19.62015-12-07 → 2017-03-21 · 5 obs

○ 2015-08-19 12:41:00
● 2015-12-07 16:07:04
● 2017-03-21 16:11:58
○ 2026-04-11 00:49:16
○ 2026-04-11 19:46:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
firmenregister.de	ns1050.ui-dns.com, ns1050.ui-dns.de, ns1050.ui-dns.biz, ns1050.ui-dns.org	-

✅ Authoritative Response

Server:217.160.81.50

NS records: ns1050.ui-dns.com, ns1050.ui-dns.de, ns1050.ui-dns.biz, ns1050.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firmenregister.de (unsigned zone)

⏱️ Timing

Total: 1166ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.44.109.17`
NS	4	`ns1050.ui-dns.org, ns1050.ui-dns.com...`
MX	2	`mx02.tarox-data.de (pri: 20), mx01.tarox-data.de (pri: 10)`
SOA	1	`ns1050.ui-dns.de hostmaster.1und1.de`

Analysis

IP Addresses

firmenregister.de points to IP number: 5.44.109.17.

Other host names such as www.bremen-adressbuch.de, zeven-adressbuch.de, www.bfr.de, bundesfirmenportal.de and www.zeven-adressbuch.de share IPs with firmenregister.de.

Name Servers

firmenregister.de is delegated to four name servers: ns1050.ui-dns.biz, ns1050.ui-dns.com, ns1050.ui-dns.de and ns1050.ui-dns.org.

firmenregister.de at least partially shares name servers with other domains, for instance sandelev.com, mastergiclee.com, rowcut.com, loewi.fr and alzeria.com.

Host names with two IP numbers: ns1050.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5132:100 and 217.160.81.50; ns1050.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5232:100 and 217.160.82.50; ns1050.ui-dns.de points to 2001:8d8:fe:53:0:d9a0:5032:100 and 217.160.80.50; ns1050.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5332:100 and 217.160.83.50.

Mail Servers

firmenregister.de is handled by two mail servers: mx01.tarox-data.de and mx02.tarox-data.de.

The mail server setup for firmenregister.de matches that of other domains, for instance trimatics.de, nexsys.de, gescher-vermoegensverwaltung.de, offenbach-adressbuch.de and bauernmolkerei.de.

firmenregister.de shares at least partially some mail servers with other domains, including butterhandlung-holstein.de, rc-boxenstopp.com, energiehochsauerland.de, die-finanzcoaches.de and schuh-welt.com.

Host names with a single IP:

mx01.tarox-data.de points to 193.22.255.120.

mx02.tarox-data.de points to 193.22.255.121.

firmenregister.de - robtex.com