invalid.tec21.de - robtex.com

invalid.tec21.de

DNSSEC⚠️ Not signed
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

tec21.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1148::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
A81.169.145.148🇩🇪 STRATO81.169.144.0/22 AG
NSdocks17.rzone.de ⭐
NSshades06.rzone.de
MXsmtpin.rzone.de ⭐
SOAdocks17.rzone.dehostmaster@strato-rz.de 2020-06-20 #62

Subdomains

msv1.invalid.tec21.de

Same first word

invalid.com
invalid.is
invalid.systems
invalid.nl
invalid.it
invalid.zone
invalid.kz
invalid.us
invalid.net
invalid.in
invalid.dk
invalid.ru
invalid.directory
invalid.network
invalid.de
invalid.st
invalid.pw
invalid.biz
invalid.name
invalid.at
invalid.fi
invalid.mx
invalid.eu

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DNS History

1 record (1 active, 0 former)

MXsmtpin.rzone.de
●MXsmtpin.rzone.de2026-04-13 → 2026-04-29 · 2 obs
● 2026-04-13 21:11:16
● 2026-04-29 04:44:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
def.nic.de, a.nic.de, z.nic.de-
tec21.dedocks17.rzone.de, shades06.rzone.de-

✅ Authoritative Response

Server:217.160.80.144

NS records: docks17.rzone.de, shades06.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tec21.de (unsigned zone)

⏱️ Timing

Total: 2477ms | Queries: -

📄 Records

TypeCountSample Data
MX1smtpin.rzone.de (pri: 5)

Analysis

Hierarchy

The parent of msv1.invalid.tec21.de is invalid.tec21.de.

Mail Servers

invalid.tec21.de is handled by a single mail server, smtpin.rzone.de.

The mail server setup for invalid.tec21.de matches that of other domains, for instance digital-landscape.de, mooove.de, fasciataping.com, zimtroe.eu and moritz-pohl.de.

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