double-loop-learning.de - dns.ninja

double-loop-learning.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1148::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRw94.rzone.de
A81.169.145.148🇩🇪 STRATO81.169.144.0/22 AG
NSshades15.rzone.de ⭐
A2607:f1c0:fe:53:185:132:34:142🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades15.rzone.de
A185.132.34.142🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades15.rzone.de
NSdocks03.rzone.de
A2001:8d8:fe:53:5747:2a74:d:3🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks03.rzone.de
A217.160.80.130🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks03.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
SOAshades15.rzone.dehostmaster@strato-rz.de 2020-06-11 #17

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=1785296804

Same first word

double-loop-learning.de

DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSdocks03.rzone.deshades15.rzone.deMXsmtpin.rzone.desmtp.rzone.deA2a01:238:20a:202:1148::81.169.145.148
●NSdocks03.rzone.de2015-08-22 → 2026-07-29 · 2 obs
● 2015-08-22 16:32:36
● 2026-07-29 04:07:20
●NSshades15.rzone.de2015-08-22 → 2026-07-29 · 2 obs
● 2015-08-22 16:32:36
● 2026-07-29 04:07:20
○MXsmtp.rzone.de2015-08-22 → 2017-08-08 · 4 obs
● 2015-08-22 16:32:36
● 2017-08-08 01:34:30
○ 2026-03-29 09:49:22
○ 2026-07-29 04:07:20
●MXsmtpin.rzone.de2026-03-29 → 2026-07-29 · 3 obs
○ 2017-08-08 01:34:30
● 2026-03-29 09:49:22
● 2026-07-29 04:07:20
●A2a01:238:20a:202:1148::2015-08-22 → 2026-07-29 · 2 obs
● 2015-08-22 16:32:36
● 2026-07-29 04:07:20
●A81.169.145.1482015-08-22 → 2026-07-29 · 2 obs
● 2015-08-22 16:32:36
● 2026-07-29 04:07:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
double-loop-learning.dedocks03.rzone.de, shades15.rzone.de-

✅ Authoritative Response

Server:185.132.34.142

NS records: docks03.rzone.de, shades15.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for double-loop-learning.de (unsigned zone)

⏱️ Timing

Total: 1897ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.148
AAAA12a01:238:20a:202:1148::
NS2docks03.rzone.de, shades15.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1shades15.rzone.de hostmaster.strato-rz.d

Analysis

IP Addresses

double-loop-learning.de points to the IP addresses 81.169.145.148 and 2a01:238:20a:202:1148::

Additional host names — andrekunze.de, ea3rks.es, elektro-seitz.com and two others — share IP numbers with double-loop-learning.de.

Name Servers

The NS records for double-loop-learning.de delegate to docks03.rzone.de and shades15.rzone.de.

double-loop-learning.de shares its name server setup with other domains, including guide123.de, ramib.org, spengler-gummi.de and two others.

There is at least partial name server overlap between double-loop-learning.de and other domains — guntner.de, seeyouphotography.com, gestwinupdate.es and two more among them.

These name servers regularly appear alongside shades20.rzone.de, shades19.rzone.de, docks19.rzone.de and 7 other name servers in NS record sets.

docks03.rzone.de resolves to 217.160.80.130 and 2001:8d8:fe:53:5747:2a74:d:3. Likewise, shades15.rzone.de resolves to 185.132.34.142 and 2607:f1c0:fe:53:185:132:34:142 — two IP addresses apiece.

Mail Servers

double-loop-learning.de has one mail server: smtpin.rzone.de.

double-loop-learning.de shares the same mail server setup as other domains, including vittafos.de, wieslhuber.com, rduino.de and two others.

smtpin.rzone.de carries two IP numbers: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.