mail.security.nu - robtex.com

mail.security.nu

DNSSEC⚠️ Not signed
A81.172.151.251🇳🇱 KABELFOON81.172.128.0/17
PTRhost-2f.hi-w3d1-a.v4.dfn.nl

security.nu

DNSSEC⚠️ Not signed
A185.22.13.236🇳🇱 ASN-DATAPLACE185.22.12.0/23 Netlan.nl route
NSns1.instantdns.nu ⭐
NSns2.instantdns.nu
MXnospam.security.nu ⭐
TXTv=spf1 mx ip4:37.0.89.141 ip4:81.172.151.71 ip4:217.102.255.204 ip4:217.102.2...
SOAns1.instantdns.nudnsmaster@nunames.nu serial=102

Previously MX for

security.nu

Same first word

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DNS History

5 records (1 active, 4 former)

20162017201820192020202120222023202420252026A81.172.151.25162.45.88.8262.45.95.17081.172.151.7183.128.173.157
○A62.45.88.822015-08-22 → 2015-12-11 · 4 obs
● 2015-08-22 17:49:18
● 2015-12-11 06:32:44
○ 2016-03-18 22:50:48
○ 2026-05-09 15:11:12
○A62.45.95.1702016-07-16 → 2016-07-16 · 4 obs
○ 2016-03-18 22:50:48
● 2016-07-16 09:48:08
○ 2026-03-13 08:27:46
○ 2026-05-09 15:11:12
●A81.172.151.2512026-03-13 → 2026-05-09 · 3 obs
○ 2016-07-16 09:48:08
● 2026-03-13 08:27:46
● 2026-05-09 15:11:12
○A81.172.151.712026-03-13 → 2026-05-09 · 2 obs
○ 2026-03-13 08:27:46
○ 2026-05-09 15:11:12
○A83.128.173.1572016-03-18 → 2016-03-18 · 4 obs
○ 2015-12-11 06:32:44
● 2016-03-18 22:50:48
○ 2016-07-16 09:48:08
○ 2026-05-09 15:11:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nua.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu...-
security.nuns1.instantdns.nu, ns2.instantdns.nu-

✅ Authoritative Response

Server:67.225.131.86

NS records: ns1.instantdns.nu, ns2.instantdns.nu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for security.nu (unsigned zone)

⏱️ Timing

Total: 688ms | Queries: -

📄 Records

TypeCountSample Data
A181.172.151.251

Analysis

IP Addresses

mail.security.nu maps to IP address 81.172.151.251.

Other host names, for example mail.mindless.nu, host-2f.hi-w3d1-a.v4.dfn.nl and mindless.nu share the same IP as mail.security.nu.