mx.q4u.nu - robtex.com
mx.q4u.nu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.23.113.220🇳🇱 GLOBAL-E193.23.113.0/24 Global-e Datacenter Network (Invision ICT Solutions) | ||||||
| PTR | mail-mailbox.fastware-hosting.com | ||||||
q4u.nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:678:668::203🇳🇱 GLOBAL-E2001:678:668::/48 | ||||||
| A | 193.23.113.203🇳🇱 GLOBAL-E193.23.113.0/24 Global-e Datacenter Network (Invision ICT Solutions) | ||||||
| NS | ns1.fwhosting.nl ⭐ | ||||||
| NS | ns2.fastware-hosting.com | ||||||
| NS | ns3.fwhosting.nl | ||||||
| TXT | Dns hosting en registratie door FastWare b.v. (www.fastware.nl) | ||||||
| SOA | ns1.fwhosting.nlhostmaster@fastware.nl 2026-06-21 #1 | ||||||
Previously MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A193.23.113.2202026-02-19 → 2026-07-17 · 3 obs
○ 2017-01-02 13:33:54
● 2026-02-19 04:26:34
● 2026-07-17 06:37:58
● 2026-02-19 04:26:34
● 2026-07-17 06:37:58
○A193.23.113.2292015-08-20 → 2017-01-02 · 4 obs
● 2015-08-20 07:26:48
● 2017-01-02 13:33:54
○ 2026-02-19 04:26:34
○ 2026-07-17 06:37:58
● 2017-01-02 13:33:54
○ 2026-02-19 04:26:34
○ 2026-07-17 06:37:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | y.ns.nu, d.ns.nu, a.ns.nu, c.ns.nu... | - |
| q4u.nu | ns1.fwhosting.nl, ns2.fastware-hosting.com, ns3.fwhosting.nl | - |
✅ Authoritative Response
Server:37.97.157.79
NS records: ns1.fwhosting.nl, ns2.fastware-hosting.com, ns3.fwhosting.nl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2085ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.23.113.220 |
Analysis
IP Addresses
mx.q4u.nu points to a single IP number: 193.23.113.220.
Additional host names — mx.refe.nl, mx.(0x787878)ware.eu, mx.sittingimage.eu and two others — share IP numbers with mx.q4u.nu.