mail.alsing.nu - robtex.com

mail.alsing.nu

DNSSEC⚠️ Not signed
A212.237.249.51🇩🇰 team-blue-denmark212.237.248.0/23 ZITCOM A/S

alsing.nu

DNSSEC🔒 Signed (DS record present)
A93.191.158.48🇩🇰 team-blue-denmark93.191.152.0/21 ZITCOM A/S
NSns2.dandomain.dk
NSns.dandomain.dk ⚠️ Not in parent delegation
NSns3.dandomain.dk
MXmx1.dandomain.dk
MXmx2.dandomain.dk(20)
TXTv=spf1 include:spf.dandomain.dk ?all
SOAns.dandomain.dkhostmaster@dandomain.dk 2026-05-06 #3

Previously MX for

Same first word

Similar names

DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A212.237.249.51194.150.112.200
A194.150.112.2002015-06-13 → 2016-09-23 · 4 obs
● 2015-06-13 08:20:38
● 2016-09-23 20:03:14
○ 2026-03-21 00:21:14
○ 2026-07-20 06:01:12
A212.237.249.512026-03-21 → 2026-07-20 · 3 obs
○ 2016-09-23 20:03:14
● 2026-03-21 00:21:14
● 2026-07-20 06:01:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
num.ns.nu, c.ns.nu, a.ns.nu, d.ns.nu...12 records
alsing.nuns2.dandomain.dk, ns.dandomain.dk-

✅ Authoritative Response

Server:91.197.248.66

NS records: ns2.dandomain.dk, ns.dandomain.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1271ms | Queries: -

📄 Records

TypeCountSample Data
A1212.237.249.51

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.ns.nu, c.ns.nu, d.ns.nu...)

Analysis

IP Addresses

mail.alsing.nu has exactly one IP address — 212.237.249.51.

mail.bouncemeister.com, mail.kimbria.dk, mail.arildsengrafik.dk plus two other host names have IP numbers in common with mail.alsing.nu.