instructing.de - dns.ninja

instructing.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1072::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRw08.rzone.de
A81.169.145.72🇩🇪 STRATO81.169.144.0/22 AG
NSshades19.rzone.de ⭐
A2607:f1c0:fe:53:185:132:34:146🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades19.rzone.de
A185.132.34.146🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades19.rzone.de
NSdocks16.rzone.de
A2001:8d8:fe:53:5747:2a74:d:16🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks16.rzone.de
A217.160.80.143🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks16.rzone.de
MXsmtpin.rzone.de ⭐
A2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
A81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtpin.rzone.de
SOAshades19.rzone.dehostmaster@strato-rz.de 2020-05-24 #4

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=1783188042

Same first word

instructing.com
instructing.de
instructing.com.au
instructing.ru

DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSdocks16.rzone.deshades19.rzone.deMXsmtpin.rzone.desmtp.rzone.deA2a01:238:20a:202:1072::81.169.145.72
●NSdocks16.rzone.de2015-07-02 → 2026-07-04 · 2 obs
● 2015-07-02 18:11:48
● 2026-07-04 18:12:52
●NSshades19.rzone.de2015-07-02 → 2026-07-04 · 2 obs
● 2015-07-02 18:11:48
● 2026-07-04 18:12:52
○MXsmtp.rzone.de2015-07-02 → 2017-01-18 · 4 obs
● 2015-07-02 18:11:48
● 2017-01-18 00:27:00
○ 2019-04-11 21:33:22
○ 2026-07-04 18:12:52
●MXsmtpin.rzone.de2019-04-11 → 2026-07-04 · 3 obs
○ 2017-01-18 00:27:00
● 2019-04-11 21:33:22
● 2026-07-04 18:12:52
●A2a01:238:20a:202:1072::2015-07-02 → 2026-07-04 · 2 obs
● 2015-07-02 18:11:48
● 2026-07-04 18:12:52
●A81.169.145.722015-07-02 → 2026-07-04 · 2 obs
● 2015-07-02 18:11:48
● 2026-07-04 18:12:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
instructing.dedocks16.rzone.de, shades19.rzone.de-

✅ Authoritative Response

Server:217.160.80.143

NS records: docks16.rzone.de, shades19.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for instructing.de (unsigned zone)

⏱️ Timing

Total: 2115ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.72
AAAA12a01:238:20a:202:1072::
NS2docks16.rzone.de, shades19.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1shades19.rzone.de hostmaster.strato-rz.d

Analysis

IP Addresses

instructing.de has two IP addresses: 81.169.145.72 and 2a01:238:20a:202:1072::

Additional host names — lauterbach-net.de, schrattner.de, aerztepraxis-schenefeld.de and two others — share IP numbers with instructing.de.

Name Servers

instructing.de is served by two delegated name servers, docks16.rzone.de and shades19.rzone.de.

instructing.de shares its name server setup with other domains, including komrapid.com, noki-data.de, taxonet.es and two others.

The name servers of instructing.de overlap at least partially with those of other domains — among them lovon.de, fertiggaragen.productions, gutspark-hoppegarten.de and two more.

These name servers commonly appear in delegations together with shades09.rzone.de, shades20.rzone.de, shades16.rzone.de and 7 other.

Each of the two host names carries two IP addresses: docks16.rzone.de points to 217.160.80.143 and 2001:8d8:fe:53:5747:2a74:d:16, and shades19.rzone.de points to 185.132.34.146 and 2607:f1c0:fe:53:185:132:34:146.

Mail Servers

instructing.de has one mail server: smtpin.rzone.de.

instructing.de shares the same mail server setup as other domains, including frise.info, immatics.eu, sueduferperle.de and two others.

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