`redbuero.de`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1084::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`w84.rzone.de`
A	81.169.145.84^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`docks03.rzone.de` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:3^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks03.rzone.de`
		A	217.160.80.130^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks03.rzone.de`
NS	`shades03.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:130^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`shades03.rzone.de`
		A	185.132.34.130^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades03.rzone.de`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtpin.rzone.de`
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`
SOA	`docks03.rzone.de`hostmaster@strato-rz.de 2020-05-09 #15

`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=1786353592

Same first word

redbuero.de

redbuero.kasserver.com

redbuero.net

Similar names

eurobred.com

derbuero.de

dorubere.com

borduere.com

DNS History

7 records (5 active, 2 former)

●NSdocks03.rzone.de2015-07-13 → 2026-08-10 · 2 obs

● 2015-07-13 23:49:00
● 2026-08-10 09:27:50

●NSshades03.rzone.de2015-07-13 → 2026-08-10 · 2 obs

● 2015-07-13 23:49:00
● 2026-08-10 09:27:50

○MXsmtp.rzone.de2015-07-13 → 2017-02-02 · 4 obs

● 2015-07-13 23:49:00
● 2017-02-02 07:19:50
○ 2019-01-30 19:23:22
○ 2026-08-10 09:27:50

●MXsmtpin.rzone.de2019-01-30 → 2026-08-10 · 3 obs

○ 2017-02-02 07:19:50
● 2019-01-30 19:23:22
● 2026-08-10 09:27:50

●A2a01:238:20a:202:1084::2026-07-15 → 2026-08-10 · 3 obs

○ 2019-01-30 19:23:22
● 2026-07-15 14:39:36
● 2026-08-10 09:27:50

●A81.169.145.842026-07-15 → 2026-08-10 · 3 obs

○ 2019-01-30 19:23:22
● 2026-07-15 14:39:36
● 2026-08-10 09:27:50

○A81.169.181.2272015-07-13 → 2019-01-30 · 4 obs

● 2015-07-13 23:49:00
● 2019-01-30 19:23:22
○ 2026-07-15 14:39:36
○ 2026-08-10 09:27:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
redbuero.de	shades03.rzone.de, docks03.rzone.de	-

✅ Authoritative Response

Server:217.160.80.130

NS records: shades03.rzone.de, docks03.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for redbuero.de (unsigned zone)

⏱️ Timing

Total: 924ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.84`
AAAA	1	`2a01:238:20a:202:1084::`
NS	2	`docks03.rzone.de, shades03.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`docks03.rzone.de hostmaster.strato-rz.de`

Analysis

IP Addresses

redbuero.de resolves to the IP addresses 81.169.145.84 and 2a01:238:20a:202:1084::

Two other host names, along with gis-specialist.com, pixelsparadise.de and aperature.nl, also share IP numbers with redbuero.de.

Name Servers

The NS records for redbuero.de delegate to docks03.rzone.de and shades03.rzone.de.

redbuero.de shares its NS records with other domains, for example beampipers.nl, immoba.biz, acs-autogas.de and two others.

redbuero.de partially shares its NS delegation with several other domains, including comtropolis.de, balvinar.com, piesport.info and two others.

In DNS configurations, these name servers often share authority with shades09.rzone.de, docks05.rzone.de, shades16.rzone.de and 7 other name servers.

docks03.rzone.de resolves to 217.160.80.130 and 2001:8d8:fe:53:5747:2a74:d:3. Likewise, shades03.rzone.de resolves to 185.132.34.130 and 2607:f1c0:fe:53:185:132:34:130 — two IP addresses apiece.

Mail Servers

The sole mail server for redbuero.de is smtpin.rzone.de.

Among the domains sharing a mail server setup with redbuero.de are stausberg.eu, commag.de, linesystems.de and two others.

The host smtpin.rzone.de resolves to 81.169.145.97 and 2a01:238:20a:202:50f0::1097 — two IP addresses.

redbuero.de - robtex.com

redbuero.de

de