`b.mx.oopen.de`

DNSSEC	⚠️ Not signed
A	2a01:4f8:271:1266::73^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`b.mx.oopen.de`
A	162.55.82.73^{🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC}

`mx.oopen.de`

DNSSEC

⚠️ Not signed

PTR for

3.7.0.0.0.0.0.0.0.0.0.0.0.0.0.0.6.6.2.1.1.7.2.0.8.f.4.0.1.0.a.2.ip6.arpa

73.82.55.162.in-addr.arpa

MX for

egilstein.de

alem.social

cacn.de

Previously MX for

Same first word

b.center

b.movie

b.pl

b.kg

b.capital

b.fashion

b.sg

b.af

b.cc

b.camp

b.org.nz

b.githubusercontent.com

b.fyi

b.bi

b.com.ai

b.bw

b.sh

b.vg

b.at

b.is

b.care

b.site

b.ph

b.lu

b.gd

b.ink

b.cd

b.gold

b.art.pl

b.uy

b.sc

b.co

b.systems

b.s3.amazonaws.com

b.xyz

b.vn.ua

b.com.cn

b.beer

b.sk

b.glass

b.vip

b.cr

b.lol

b.akamai.net

b.cash

b.fi

b.net.nz

b.hr

b.fm

b.company

b.qh.cn

b.app

b.vodka

b.doctor

b.me

b.aivencloud.com

b.br

b.nx.cn

b.cx

b.dk

b.gl

b.et

b.hm

b.ke

b.info.pl

b.nu

b.link

b.co.nl

b.mr

b.ht

b.cm

b.biz

b.asia

b.green

b.co.uk

b.org.ai

b.ai

b.akamai-staging.net

b.gov.au

b.fit

b.tc

b.gg

b.com.br

b.tv

b.hu

b.ddns.net

b.bike

b.vu

b.game

b.to

b.ly

b.com.ua

b.eus

b.cl

b.fr

b.mw

b.co.za

b.io

b.ws

b.js.cn

b.je

b.country

b.house

b.ro

b.akamaiedge-staging.net

b.top

b.ms

b.news

b.ln.cn

b.ua

b.gov.lv

b.co.kr

b.media

b.ee

b.ie

b.com.mx

b.icu

b.com.de

b.gt

b.gp

b.digital

DNS History

8 records (2 active, 6 former)

●A162.55.82.732026-02-25 → 2026-08-07 · 3 obs

○ 2017-01-08 11:24:00
● 2026-02-25 16:16:42
● 2026-08-07 08:47:38

○A2a01:30:0:13:21f:92ff:fe00:538b2017-01-08 → 2017-01-08 · 4 obs

○ 2016-08-12 16:24:54
● 2017-01-08 11:24:00
○ 2026-02-25 16:16:42
○ 2026-08-07 08:47:38

○A2a01:30:1fff:a::1622015-09-05 → 2016-08-12 · 5 obs

○ 2014-07-01 08:41:06
● 2015-09-05 13:57:18
● 2016-08-12 16:24:54
○ 2017-01-08 11:24:00
○ 2026-08-07 08:47:38

○A2a01:4f8:140:50c2::32014-07-01 → 2014-07-01 · 3 obs

● 2014-07-01 08:41:06
○ 2015-09-05 13:57:18
○ 2026-08-07 08:47:38

●A2a01:4f8:271:1266::732026-02-25 → 2026-08-07 · 3 obs

○ 2017-01-08 11:24:00
● 2026-02-25 16:16:42
● 2026-08-07 08:47:38

○A78.47.158.32014-07-01 → 2014-07-01 · 3 obs

● 2014-07-01 08:41:06
○ 2015-09-05 13:57:18
○ 2026-08-07 08:47:38

○A83.223.86.1622015-09-05 → 2016-08-12 · 5 obs

○ 2014-07-01 08:41:06
● 2015-09-05 13:57:18
● 2016-08-12 16:24:54
○ 2017-01-08 11:24:00
○ 2026-08-07 08:47:38

○A83.223.86.972017-01-08 → 2017-01-08 · 4 obs

○ 2016-08-12 16:24:54
● 2017-01-08 11:24:00
○ 2026-02-25 16:16:42
○ 2026-08-07 08:47:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, z.nic.de, f.nic.de	-
oopen.de	a.ns.oopen.de, b.ns.oopen.de	4 records

✅ Authoritative Response

Server:195.201.179.131

NS records: a.ns.oopen.de, b.ns.oopen.de

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 711ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.55.82.73`
AAAA	1	`2a01:4f8:271:1266::73`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (a.ns.oopen.de, a.ns.oopen.de, b.ns.oopen.de...)

Analysis

Mail Server Role

Mail destined for egilstein.de, alem.social and cacn.de is routed through b.mx.oopen.de.

As mail servers, mail.alem.social and a.mx.oopen.de are frequently found alongside b.mx.oopen.de.

IP Addresses

b.mx.oopen.de directs to two IP numbers, 162.55.82.73 and 2a01:4f8:271:1266::73

b.mx.oopen.de - robtex.com

b.mx.oopen.de

mx.oopen.de