mail2.btbnet.de - robtex.com

mail2.btbnet.de

DNSSEC⚠️ Not signed
A89.31.143.90🇩🇪 UDAG89.31.143.0/24

btbnet.de

DNSSEC⚠️ Not signed
A89.31.143.90🇩🇪 UDAG89.31.143.0/24
NSns.udag.de ⭐
NSns.udag.net
NSns.udag.org
MXbtbnet-de.mail.protection.outlook.com ⭐
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns.udag.dehostmaster@united-domains.de 2026-03-18 #57

MX for

dachfenster-roto.info
rotojobs.de
dachfenster-renovierung.at
roto-profipartner.de
dasdachfenster.at
btbnet.eu
btbnet.org
markendiscounter.de
dachfenster-roto.de
rotoservice.de
columbus-treppen.com

Previously MX for

muenchen-dachfenster.de
roto-dachausbau.de
connexion.de
familie-hasel.de
roto-dachfenster.at
roto-frank.ru
gsenet.de
masterswitch.de
btb.gmbh
gsenet.eu
shop21.de
roto-shop.at
roto-dachfenster.de
roto-campus.com
btbnet.de
rotoroofwindow.com
fbd-bildungspark.com
info-kiosk.de
roofwindows.com
masstreppen.de
info-deutschland.de

Same first word

mail2.mobi
mail2.eu
mail2.iki.fi
mail2.you
mail2.no-ip.org
mail2.dev
mail2.cloudapp.net
mail2.cz
mail2.me
mail2.hu
mail2.ph
mail2.ca
mail2.de
mail2.nhs.uk
mail2.im
mail2.df.gov.br
mail2.myfritz.net
mail2.it
mail2.com
mail2.dyndns.org
mail2.la
mail2.cloudaccess.net
mail2.email
mail2.asia
mail2.ru
mail2.do
mail2.net
mail2.gouv.ci
mail2.se
mail2.us
mail2.nl
mail2.in
mail2.ch
mail2.fi
mail2.xyz
mail2.name
mail2.dk
mail2.cn
mail2.app
mail2.sakura.ne.jp
mail2.cc
mail2.co
mail2.kapsi.fi
mail2.gov.pt
mail2.be
mail2.est.pr
mail2.ras.ru
mail2.altervista.org
mail2.mil.ru
mail2.kinghost.net

Similar names

2mail.co.za
2mail.ch
a2mil.com
2mail.ro
2mail.org
2mail.dk
2mail.serveftp.com
mi2la.de
lima2.com
alim2.com
2mail.io
2mail.ru
2mail.space
2mail.com
2mail.net
2mail.com.ua
2mail.eu
2mail.pro
2mail.at
2mail.nl
2mail.im
ml2ai.com
2mail.co
2mail.de
2mila.it
2mail.fr
2mail.online
2mail.ca

DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A89.31.143.90178.15.137.2
○A178.15.137.22015-08-03 → 2026-02-16 · 4 obs
● 2015-08-03 00:31:56
● 2026-02-16 07:45:34
○ 2026-02-27 17:34:18
○ 2026-04-14 13:27:38
●A89.31.143.902026-03-23 → 2026-04-14 · 3 obs
○ 2026-02-27 17:34:18
● 2026-03-23 23:57:10
● 2026-04-14 13:27:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
btbnet.dens.udag.de, ns.udag.net, ns.udag.org2 records

✅ Authoritative Response

Server:185.132.33.253

NS records: ns.udag.de, ns.udag.net, ns.udag.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btbnet.de (unsigned zone)

⏱️ Timing

Total: 532ms | Queries: -

📄 Records

TypeCountSample Data
A189.31.143.90

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.udag.de, ns.udag.de)

Analysis

Mail Server Role

mail2.btbnet.de serves as the mail server for dachfenster-roto.info, rotojobs.de, dachfenster-renovierung.at, roto-profipartner.de, dasdachfenster.at and a few other domains.

mail1.btbnet.de is commonly used as a mail server alongside mail2.btbnet.de.

IP Addresses

mail2.btbnet.de resolves to one IP number: 89.31.143.90.

Other host names, for instance (0x736578)kontact.com, newgolf.de, asx-port.net, deitert.gmbh and dhdealers.eu share IP numbers with mail2.btbnet.de.