mail.bluber21.de - robtex.com

mail.bluber21.de

DNSSEC⚠️ Not signed
A159.195.54.122🇩🇰 netcup-AS159.195.52.0/22
PTRdragon.dertim.com

bluber21.de

DNSSEC⚠️ Not signed
A159.195.54.122🇩🇰 netcup-AS159.195.52.0/22
NSroot-dns.netcup.net ⭐
NSsecond-dns.netcup.net
NSthird-dns.netcup.net
MXmail.bluber21.de ⭐
SOAroot-dns.netcup.netdnsadmin@netcup.net 2026-01-02 #12

MX for

bluber21.de

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DNS History

2 records (1 active, 1 former)

201820192020202120222023202420252026A159.195.54.122185.44.107.228
●A159.195.54.1222026-02-22 → 2026-03-28 · 3 obs
○ 2017-02-03 16:04:40
● 2026-02-22 03:55:00
● 2026-03-28 08:26:20
○A185.44.107.2282017-02-03 → 2017-02-03 · 3 obs
● 2017-02-03 16:04:40
○ 2026-02-22 03:55:00
○ 2026-03-28 08:26:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
bluber21.desecond-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net-

✅ Authoritative Response

Server:37.221.199.199

NS records: second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bluber21.de (unsigned zone)

⏱️ Timing

Total: 917ms | Queries: -

📄 Records

TypeCountSample Data
A1159.195.54.122

Analysis

Mail Server Role

mail.bluber21.de serves as the mail server for bluber21.de.

IP Addresses

mail.bluber21.de points to a single IP: 159.195.54.122.

Other host names, for instance rage-mode.de, dragon.dertim.com, mail.rage-mode.de, bluber21.de and dragon.bluber21.de share IP numbers with mail.bluber21.de.