ctrn.de - dns.ninja

ctrn.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1162::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
A81.169.145.162🇩🇪 STRATO81.169.144.0/22 AG
NSshades12.rzone.de ⭐
A2607:f1c0:fe:53:185:132:34:139🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades12.rzone.de
A185.132.34.139🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades12.rzone.de
NSdocks01.rzone.de
A2001:8d8:fe:53:5747:2a74:d:1🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks01.rzone.de
A217.160.80.128🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks01.rzone.de
MXsmtpin.rzone.de ⭐
A2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRsmtpin.rzone.de
A81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtpin.rzone.de
SOAshades12.rzone.dehostmaster@strato-rz.de 2020-05-22 #5

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1785146876

Same first word

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DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSdocks01.rzone.deshades12.rzone.deMXsmtpin.rzone.desmtp.rzone.deA2a01:238:20a:202:1162::81.169.145.1622a01:238:20a:202:1086::81.169.145.86
●NSdocks01.rzone.de2015-07-05 → 2026-07-27 · 2 obs
● 2015-07-05 20:48:44
● 2026-07-27 10:32:08
●NSshades12.rzone.de2015-07-05 → 2026-07-27 · 2 obs
● 2015-07-05 20:48:44
● 2026-07-27 10:32:08
○MXsmtp.rzone.de2015-07-05 → 2018-10-08 · 4 obs
● 2015-07-05 20:48:44
● 2018-10-08 02:00:52
○ 2026-05-14 08:34:14
○ 2026-07-27 10:32:08
●MXsmtpin.rzone.de2026-05-14 → 2026-07-27 · 3 obs
○ 2018-10-08 02:00:52
● 2026-05-14 08:34:14
● 2026-07-27 10:32:08
○A2a01:238:20a:202:1086::2015-07-05 → 2018-10-08 · 4 obs
● 2015-07-05 20:48:44
● 2018-10-08 02:00:52
○ 2026-05-14 08:34:14
○ 2026-07-27 10:32:08
●A2a01:238:20a:202:1162::2026-05-14 → 2026-07-27 · 3 obs
○ 2018-10-08 02:00:52
● 2026-05-14 08:34:14
● 2026-07-27 10:32:08
●A81.169.145.1622026-05-14 → 2026-07-27 · 3 obs
○ 2018-10-08 02:00:52
● 2026-05-14 08:34:14
● 2026-07-27 10:32:08
○A81.169.145.862015-07-05 → 2018-10-08 · 4 obs
● 2015-07-05 20:48:44
● 2018-10-08 02:00:52
○ 2026-05-14 08:34:14
○ 2026-07-27 10:32:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
ctrn.deshades12.rzone.de, docks01.rzone.de-

✅ Authoritative Response

Server:185.132.34.139

NS records: shades12.rzone.de, docks01.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctrn.de (unsigned zone)

⏱️ Timing

Total: 860ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.162
AAAA12a01:238:20a:202:1162::
NS2shades12.rzone.de, docks01.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1shades12.rzone.de hostmaster.strato-rz.d

Analysis

IP Addresses

ctrn.de resolves to the IP addresses 81.169.145.162 and 2a01:238:20a:202:1162::

deussen.de, phonopoly.de, ulaga.net and two other host names share IP numbers with ctrn.de.

Name Servers

ctrn.de is delegated to two name servers: docks01.rzone.de and shades12.rzone.de.

ctrn.de uses the same name servers as several other domains — among them popstone.de, nagel-sanitaertechnik-gmbh.de, hartmannweb.nl and two more.

ctrn.de shares at least some of its name servers with other domains, including geroan.de, zacher.info, marcus-thiel.com and two others.

These name servers are frequently seen alongside docks11.rzone.de, docks03.rzone.de, shades10.rzone.de and 7 other name servers.

docks01.rzone.de and shades12.rzone.de each resolve to two IP addresses: docks01.rzone.de points to 217.160.80.128 and 2001:8d8:fe:53:5747:2a74:d:1, while shades12.rzone.de points to 185.132.34.139 and 2607:f1c0:fe:53:185:132:34:139.

Mail Servers

Mail for ctrn.de is handled by a single mail server, smtpin.rzone.de.

ctrn.de uses an identical mail server configuration to several other domains — among them transalp-2005.de, stolpersteine.com, hotel-belvedere.de and two more.

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