`studienzentrum.org`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1070::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`w06.rzone.de`
A	81.169.145.70^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`shades18.rzone.de` ⭐
		A	2607:f1c0:fe:53:185:132:34:145^{🇺🇸 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	`shades18.rzone.de`
		A	185.132.34.145^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades18.rzone.de`
NS	`docks12.rzone.de`
		A	2001:8d8:fe:53:5747:2a74:d:12^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks12.rzone.de`
		A	217.160.80.139^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks12.rzone.de`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`
SOA	`shades18.rzone.de`hostmaster@strato-rz.de 2020-05-21 #5

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774508004

Same first word

studienzentrum.de

studienzentrum.at

studienzentrum.eu

studienzentrum.ch

studienzentrum.org

DNS History

8 records (5 active, 3 former)

●NSdocks12.rzone.de2026-03-26 → 2026-03-26 · 2 obs

○ 2017-05-15 20:29:02
● 2026-03-26 07:00:06

○NSns1.webmailer.de2015-08-13 → 2017-05-15 · 3 obs

● 2015-08-13 22:04:58
● 2017-05-15 20:29:02
○ 2026-03-26 07:00:06

○NSns2.webmailer.de2015-08-13 → 2017-05-15 · 3 obs

● 2015-08-13 22:04:58
● 2017-05-15 20:29:02
○ 2026-03-26 07:00:06

●NSshades18.rzone.de2026-03-26 → 2026-03-26 · 2 obs

○ 2017-05-15 20:29:02
● 2026-03-26 07:00:06

○MXsmtp.rzone.de2015-08-13 → 2016-03-23 · 4 obs

● 2015-08-13 22:04:58
● 2016-03-23 02:13:20
○ 2016-09-11 15:16:24
○ 2026-03-26 07:00:06

●MXsmtpin.rzone.de2016-09-11 → 2026-03-26 · 3 obs

○ 2016-03-23 02:13:20
● 2016-09-11 15:16:24
● 2026-03-26 07:00:06

●A2a01:238:20a:202:1070::2015-08-13 → 2026-03-26 · 2 obs

● 2015-08-13 22:04:58
● 2026-03-26 07:00:06

●A81.169.145.702015-08-13 → 2026-03-26 · 2 obs

● 2015-08-13 22:04:58
● 2026-03-26 07:00:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
studienzentrum.org	shades18.rzone.de, docks12.rzone.de	-

✅ Authoritative Response

Server:217.160.80.139

NS records: shades18.rzone.de, docks12.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studienzentrum.org (unsigned zone)

⏱️ Timing

Total: 828ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.70`
AAAA	1	`2a01:238:20a:202:1070::`
NS	2	`shades18.rzone.de, docks12.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`shades18.rzone.de hostmaster.strato-rz.d`

Analysis

IP Addresses

studienzentrum.org points to two IP numbers: 2a01:238:20a:202:1070:: and 81.169.145.70.

Other host names such as todo-aerografia.org, ratz-fatz-berlin.de, schimkat.org, auenland.net and fatwerk.de share IP numbers with studienzentrum.org.

Name Servers

studienzentrum.org is delegated to two name servers: docks12.rzone.de and shades18.rzone.de.

studienzentrum.org uses the same name server setup as other domains, including wucht.net, creac.de, nnsmeyer.de, heukaeufer-folien.net and rechtweise.biz.

At least part of the name servers for studienzentrum.org are shared with other domains, for instance askdr.eu, co2neutraal.de, nobelgroup.es, metrisports.com and lipphardt.eu.

these name servers are commonly used with the name servers shades01.rzone.de, docks18.rzone.de, docks06.rzone.de, docks16.rzone.de, shades03.rzone.de, docks10.rzone.de, docks17.rzone.de, shades04.rzone.de, shades02.rzone.de and docks19.rzone.de.

Host names with two IP numbers:

docks12.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:12 and 217.160.80.139.

shades18.rzone.de points to 2607:f1c0:fe:53:185:132:34:145 and 185.132.34.145.

Mail Servers

The mail server for studienzentrum.org is smtpin.rzone.de.

studienzentrum.org uses the same mail server setup as other domains, for instance immokurt.de, p3totaal.com, schwabenmagazin.de, webkeks.de and konditorei-burger.de.

Hostname smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

studienzentrum.org - robtex.com