mail.authenticaudio.eu - robtex.com
mail.authenticaudio.eu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.91.87.10🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | mail.web4u.cz | ||||||
authenticaudio.eu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.91.86.11🇨🇿 WEB4U81.91.80.0/21 | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| NS | ns.web4u.cz | ||||||
| MX | mx.web4u.cz ⭐ | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2011-06-03 #1 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A81.91.87.102015-06-05 → 2026-08-09 · 2 obs
● 2015-06-05 04:52:12
● 2026-08-09 22:30:56
● 2026-08-09 22:30:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | si.dns.eu, x.dns.eu, w.dns.eu, be.dns.eu... | - |
| authenticaudio.eu | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:85.207.53.12
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for authenticaudio.eu (unsigned zone)
⏱️ Timing
Total: 1126ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.87.10 |
Analysis
IP Addresses
mail.authenticaudio.eu has exactly one IP address — 81.91.87.10.
mail.rztechnic.cz, mail.barclet.com, mail.jindrichuv-dvur.eu plus two other host names have IP numbers in common with mail.authenticaudio.eu.