mail.cbj.nu - robtex.com

mail.cbj.nu

DNSSEC⚠️ Not signed
A136.144.131.71🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands
PTRcronus.black-sky.nl

cbj.nu

DNSSEC⚠️ Not signed
A136.144.131.71🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands
NSns1.black-sky.nl ⭐
NSns2.black-sky.nl
MXmail.cbj.nu ⭐
TXTv=spf1 a mx ip4:136.144.131.71 ip6:2a01:7c8:fff9:316::1/48 -all
SOAns1.black-sky.nlroot@cbj.nu 2023-06-17 #1

MX for

cbj.nu

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A136.144.131.7195.211.121.140
●A136.144.131.712026-02-19 → 2026-04-25 · 3 obs
○ 2016-12-20 12:06:48
● 2026-02-19 10:22:02
● 2026-04-25 05:37:44
○A95.211.121.1402015-07-23 → 2016-12-20 · 4 obs
● 2015-07-23 18:22:12
● 2016-12-20 12:06:48
○ 2026-02-19 10:22:02
○ 2026-04-25 05:37:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
num.ns.nu, z.ns.nu, c.ns.nu, d.ns.nu...12 records
cbj.nuns1.black-sky.nl, ns2.black-sky.nl-

✅ Authoritative Response

Server:136.144.133.164

NS records: ns1.black-sky.nl, ns2.black-sky.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cbj.nu (unsigned zone)

⏱️ Timing

Total: 1318ms | Queries: -

📄 Records

TypeCountSample Data
A1136.144.131.71

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (m.ns.nu, m.ns.nu, z.ns.nu...)

Analysis

Mail Server Role

mail.cbj.nu serves as the mail server for cbj.nu.

IP Addresses

mail.cbj.nu points to a single IP: 136.144.131.71.

Other host names, for instance mail.cronus.black-sky.nl, black-sky.nl, mail.our-family.nl, black-sky.solutions and our-family.nl share IP numbers with mail.cbj.nu.