mail.b1up.de - robtex.com

mail.b1up.de

DNSSEC⚠️ Not signed
A2a03:4000:17:65c::1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRb1up.de
A188.68.41.40🇩🇪 netcup-AS188.68.40.0/22

b1up.de

DNSSEC⚠️ Not signed
A2a03:4000:17:65c::1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
A188.68.41.40🇩🇪 netcup-AS188.68.40.0/22
NSroot-dns.netcup.net ⭐
NSsecond-dns.netcup.net
NSthird-dns.netcup.net
MXmail.b1up.de ⭐
SOAroot-dns.netcup.netdnsadmin@netcup.net 2026-02-21 #20

MX for

b1up.de

Same first word

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DNS History

2 records (2 active, 0 former)

A188.68.41.402a03:4000:17:65c::1
●A188.68.41.402026-03-01 → 2026-04-24 · 2 obs
● 2026-03-01 16:50:28
● 2026-04-24 21:41:26
●A2a03:4000:17:65c::12026-03-01 → 2026-04-24 · 2 obs
● 2026-03-01 16:50:28
● 2026-04-24 21:41:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, f.nic.de, a.nic.de-
b1up.dethird-dns.netcup.net, second-dns.netcup.net, root-dns.netcup.net-

✅ Authoritative Response

Server:188.68.63.68

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b1up.de (unsigned zone)

⏱️ Timing

Total: 1605ms | Queries: -

📄 Records

TypeCountSample Data
A1188.68.41.40
AAAA12a03:4000:17:65c::1

Analysis

Mail Server Role

The mail server for b1up.de is mail.b1up.de.

IP Addresses

mail.b1up.de points to two IP numbers: 2a03:4000:17:65c::1 and 188.68.41.40.

Other host names such as b1up.de and v22017034461947070.bestsrv.de share IP numbers with mail.b1up.de.