doublefour.nu - robtex.com
doublefour.nu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 83.247.6.120🇳🇱 NL-SOLCON83.247.0.0/17 Solcon Internetdiensten B.V. | ||||||
| PTR | dsl-083-247-006-120.solcon.nl | ||||||
| NS | ns1-276.axc.nl ⭐ | ||||||
| A | 185.182.57.8🇳🇱 CLDIN-NL185.182.56.0/22 | ||||||
| PTR | vserver276.axc.nl | ||||||
| NS | ns2-276.axc.nl | ||||||
| A | 185.175.201.53🇳🇱 CLDIN-NL185.175.200.0/22 | ||||||
| PTR | vserver276.axc.nl | ||||||
| MX | mail.doublefour.nu ⭐ | ||||||
| A | 185.182.57.8🇳🇱 CLDIN-NL185.182.56.0/22 | ||||||
| PTR | vserver276.axc.nl | ||||||
| TXT | v=spf1 a mx ip4:185.182.57.8 a:spf.spamexperts.axc.nl -all | ||||||
| SOA | ns1-276.axc.nlhostmaster@doublefour.nu 2024-03-21 #5 | ||||||
nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.nu ⭐ 🔒 | ||||||
| NS | a.ns.nu 🔒 | ||||||
| NS | c.ns.nu 🔒 | ||||||
| NS | d.ns.nu 🔒 | ||||||
| NS | m.ns.nu 🔒 | ||||||
| NS | y.ns.nu 🔒 | ||||||
| NS | z.ns.nu 🔒 | ||||||
| TXT | id:f7ff97f5-bf95-4f58-8c35-f729a6390f96 | ||||||
| TXT | NU zone update: 2026-02-17 01:10:58 +0000 (EPOCH 1771290658) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1771290745 | ||||||
Subdomains
mail.doublefour.nu |
Same first word
doublefour.nu |
doublefour.nl |
DNS History
5 records (4 active, 1 former)
●MXmail.doublefour.nu2019-12-19 → 2026-03-23 · 2 obs
● 2026-03-23 21:32:04
○A185.182.57.82019-12-19 → 2019-12-19 · 3 obs
○ 2026-03-18 13:05:42
○ 2026-03-23 21:32:04
●A83.247.6.1202026-03-18 → 2026-03-23 · 3 obs
● 2026-03-18 13:05:42
● 2026-03-23 21:32:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | d.ns.nu, y.ns.nu, a.ns.nu, z.ns.nu... | 12 records |
| doublefour.nu | ns1-276.axc.nl, ns2-276.axc.nl | - |
✅ Authoritative Response
Server:185.182.57.8
NS records: ns1-276.axc.nl, ns2-276.axc.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for doublefour.nu (unsigned zone)
⏱️ Timing
Total: 988ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 83.247.6.120 |
| NS | 2 | ns1-276.axc.nl, ns2-276.axc.nl |
| MX | 1 | mail.doublefour.nu (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:185.182.57.8 a:spf.spame |
| SOA | 1 | ns1-276.axc.nl hostmaster.doublefour.nu |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (z.ns.nu, y.ns.nu, m.ns.nu...)
Analysis
Hierarchy
doublefour.nu is the parent of mail.doublefour.nu.
IP Addresses
doublefour.nu resolves to a single IP address: 83.247.6.120.
Other host names including hondenschoolhattem.com, www.pel-advocaten.nl, dsl-083-247-006-120.solcon.nl, youngstyle-hattem.nl and borreman.nl share IP numbers with doublefour.nu.
Name Servers
doublefour.nu's delegation uses two name servers, ns1-276.axc.nl and ns2-276.axc.nl.
doublefour.nu shares the same name server setup as other domains, for instance kdooenzoo.nl.
Host names with a single IP:
ns1-276.axc.nl points to 185.182.57.8.
ns2-276.axc.nl points to 185.175.201.53.
Mail Servers
doublefour.nu is handled by a single mail server, mail.doublefour.nu.
mail.doublefour.nu points to a single IP: 185.182.57.8.