mastergrade.de - dns.ninja

mastergrade.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1070::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRw06.rzone.de
A81.169.145.70🇩🇪 STRATO81.169.144.0/22 AG
NSshades07.rzone.de ⭐
A2607:f1c0:fe:53:185:132:34:134🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades07.rzone.de
A185.132.34.134🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades07.rzone.de
NSdocks17.rzone.de
A2001:8d8:fe:53:5747:2a74:d:17🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks17.rzone.de
A217.160.80.144🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks17.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
SOAshades07.rzone.dehostmaster@strato-rz.de 2020-05-22 #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=1783259863

Same first word

mastergrade.net
mastergrade.ca
mastergrade.ai
mastergrade.de

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DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSdocks17.rzone.deshades07.rzone.deMXsmtpin.rzone.desmtp.rzone.deA2a01:238:20a:202:1070::81.169.145.70
●NSdocks17.rzone.de2015-07-09 → 2026-07-05 · 2 obs
● 2015-07-09 13:54:22
● 2026-07-05 13:58:06
●NSshades07.rzone.de2015-07-09 → 2026-07-05 · 2 obs
● 2015-07-09 13:54:22
● 2026-07-05 13:58:06
○MXsmtp.rzone.de2015-07-09 → 2017-04-06 · 4 obs
● 2015-07-09 13:54:22
● 2017-04-06 09:54:12
○ 2026-04-07 14:46:48
○ 2026-07-05 13:58:06
●MXsmtpin.rzone.de2026-04-07 → 2026-07-05 · 3 obs
○ 2017-04-06 09:54:12
● 2026-04-07 14:46:48
● 2026-07-05 13:58:06
●A2a01:238:20a:202:1070::2015-07-09 → 2026-07-05 · 2 obs
● 2015-07-09 13:54:22
● 2026-07-05 13:58:06
●A81.169.145.702015-07-09 → 2026-07-05 · 2 obs
● 2015-07-09 13:54:22
● 2026-07-05 13:58:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
mastergrade.dedocks17.rzone.de, shades07.rzone.de-

✅ Authoritative Response

Server:185.132.34.134

NS records: docks17.rzone.de, shades07.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastergrade.de (unsigned zone)

⏱️ Timing

Total: 1240ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.70
AAAA12a01:238:20a:202:1070::
NS2docks17.rzone.de, shades07.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1shades07.rzone.de hostmaster.strato-rz.d

Analysis

IP Addresses

mastergrade.de points to the IP addresses 81.169.145.70 and 2a01:238:20a:202:1070::

Two other host names, along with lohkaes-trampler.de, apotheke-toelz.de and grammatikfragen.de, also share IP numbers with mastergrade.de.

Name Servers

mastergrade.de is served by two delegated name servers, docks17.rzone.de and shades07.rzone.de.

mastergrade.de shares its NS records with other domains, for example sibien.de, silberundco.ch, psychotherapie-lucke-martens.de and two others.

The name servers of mastergrade.de overlap at least partially with those of other domains — among them rstreuhand.de, scaneg.de, so36.eu and two more.

These name servers commonly appear in delegations together with shades06.rzone.de, docks11.rzone.de, docks02.rzone.de and 7 other.

Each of the two host names carries two IP addresses: docks17.rzone.de points to 217.160.80.144 and 2001:8d8:fe:53:5747:2a74:d:17, and shades07.rzone.de points to 185.132.34.134 and 2607:f1c0:fe:53:185:132:34:134.

Mail Servers

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

Among the domains sharing a mail server setup with mastergrade.de are juliusbaasner.de, holthausen.webmeetingonline.de, frankkoch.net and two others.

mastergrade.de has mail servers in common with other domains — ardenberg.nl being one example.

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