mail.cdu.one - robtex.com

mail.cdu.one

DNSSEC⚠️ Not signed
A213.133.104.5🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRwww5.your-server.de

cdu.one

DNSSEC⚠️ Not signed
A78.46.8.105🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5
NSns1.your-server.de ⭐
NSns.second-ns.com
NSns3.second-ns.de
MXwww5.your-server.de ⭐
TXTv=spf1 +a +mx ?all
SOAns1.your-server.depostmaster@your-server.de 2025-12-11 #0

Previously MX for

cdu.one

Same first word

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DNS History

1 record (1 active, 0 former)

2017201820192020202120222023202420252026A213.133.104.5
●A213.133.104.52016-12-16 → 2026-04-27 · 2 obs
● 2016-12-16 04:31:50
● 2026-04-27 16:25:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
onea.nic.one, b.nic.one, c.nic.one, x.nic.one...12 records
cdu.onens.second-ns.com, ns1.your-server.de, ns3.second-ns.de-

✅ Authoritative Response

Server:213.239.204.242

NS records: ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdu.one (unsigned zone)

⏱️ Timing

Total: 1727ms | Queries: -

📄 Records

TypeCountSample Data
A1213.133.104.5

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.one, b.nic.one, c.nic.one...)

Analysis

IP Addresses

mail.cdu.one points to a single IP address: 213.133.104.5.

Other host names such as mail.ust-india.com, ennulat.net, edvwp.de, www.elinmotoren.com and myminifigs.com share IPs with mail.cdu.one.