mail.b-sec.net - robtex.com

mail.b-sec.net

DNSSEC⚠️ Not signed
A2a01:4f8:c014:bda0::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmail.b-sec.net
A46.224.73.18🇮🇷 Hetzner46.224.0.0/15 HETZNER-DC
TXTv=spf1 +mx +a:mail.b-sec.net ~all

b-sec.net

DNSSEC⚠️ Not signed
A35.214.149.81🇳🇱 Google35.214.128.0/17
NSns1.first-ns.de ⭐
NSrobotns2.second-ns.de
NSrobotns3.second-ns.com
MXbsec-net0c.mail.protection.outlook.com ⭐
TXTgoogle-site-verification=jsXPe6TtFkJG0jfZf8RezNkJ865D2Sw9pA053WRz5yA
TXTv=spf1 +mx +a:sg.b-sec.net +a:data.b-sec.net include:spf.protection.outlook....
TXTMS=9EFF1D4CA955D51E69650F516E76B4390334A7FF
TXTgoogle-site-verification=UMmcSamPgrDmJqzMAtZ2lP9kNSgzz7j0HS3bryMUQtI
SOAns1.first-ns.detbleier@gmail.com 2026-05-15 #1

PTR for

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.a.d.b.4.1.0.c.8.f.4.0.1.0.a.2.ip6.arpa
18.73.224.46.in-addr.arpa

MX for

tbleier.com

Same first word

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DNS History

2 records (2 active, 0 former)

A2a01:4f8:c014:bda0::146.224.73.18
●A2a01:4f8:c014:bda0::12026-07-01 → 2026-07-19 · 2 obs
● 2026-07-01 13:28:40
● 2026-07-19 16:01:24
●A46.224.73.182026-07-01 → 2026-07-19 · 2 obs
● 2026-07-01 13:28:40
● 2026-07-19 16:01:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netd.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net...-
b-sec.netns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com-

✅ Authoritative Response

Server:193.47.99.3

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b-sec.net (unsigned zone)

⏱️ Timing

Total: 1010ms | Queries: -

📄 Records

TypeCountSample Data
A146.224.73.18
AAAA12a01:4f8:c014:bda0::1
TXT1v=spf1 +mx +a:mail.b-sec.net ~all

Analysis

Mail Server Role

The mail server mail.b-sec.net processes email for tbleier.com.

IP Addresses

mail.b-sec.net directs to two IP numbers, 46.224.73.18 and 2a01:4f8:c014:bda0::1