spamx-fallback.tool.nu - robtex.com
spamx-fallback.tool.nu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.89.5.135🇳🇱 CLDIN-NL185.89.4.0/22 Flexwebhosting B.V. | ||||||
| PTR | srv21235.premium.flexwebhosting.nl | ||||||
tool.nu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.89.5.135🇳🇱 CLDIN-NL185.89.4.0/22 Flexwebhosting B.V. | ||||||
| NS | ns1.flexwebhosting.nl ⭐ | ||||||
| NS | ns2.flexwebhosting.nl | ||||||
| NS | ns3.flexwebhosting.com | ||||||
| MX | srv1.flexfilter.nl ⭐ | ||||||
| MX | srv2.flexfilter.nl ⭐ | ||||||
| TXT | v=spf1 a mx a:spf.flexfilter.nl -all | ||||||
| SOA | ns1.flexwebhosting.nlhostmaster@tool.nu serial=2100000011 | ||||||
Previously MX for
DNS History
2 records (1 active, 1 former)
●A185.89.5.1352026-02-16 → 2026-05-05 · 3 obs
○ 2016-05-03 08:43:32
● 2026-02-16 16:32:00
● 2026-05-05 14:47:18
● 2026-02-16 16:32:00
● 2026-05-05 14:47:18
○A62.148.189.542015-07-07 → 2016-05-03 · 4 obs
● 2015-07-07 09:03:58
● 2016-05-03 08:43:32
○ 2026-02-16 16:32:00
○ 2026-05-05 14:47:18
● 2016-05-03 08:43:32
○ 2026-02-16 16:32:00
○ 2026-05-05 14:47:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | a.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu... | - |
| tool.nu | ns3.flexwebhosting.com, ns1.flexwebhosting.nl, ns2.flexwebhosting.nl | - |
✅ Authoritative Response
Server:185.231.200.133
NS records: ns3.flexwebhosting.com, ns1.flexwebhosting.nl, ns2.flexwebhosting.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tool.nu (unsigned zone)
⏱️ Timing
Total: 1178ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.89.5.135 |
Analysis
IP Addresses
spamx-fallback.tool.nu points to a single IP number: 185.89.5.135.
Other host names, for instance hospisafe.com, com.serale.com, mployeecloud.com, mail.leergitaar.nl and decart.com.serale.com share IP numbers with spamx-fallback.tool.nu.