mx.surtec.eu - robtex.com
mx.surtec.eu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:1568::14🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | php7.web4u.cz | ||||||
| A | 81.91.86.14🇨🇿 WEB4U81.91.80.0/21 | ||||||
surtec.eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:1568::14🇨🇿 WEB4U2001:1568::/33 | ||||||
| A | 81.91.86.14🇨🇿 WEB4U81.91.80.0/21 | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| NS | ns.web4u.cz | ||||||
| MX | mx1.mailchannels.net ⭐ | ||||||
| MX | mx2.mailchannels.net ⭐ | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-05-06 #0 | ||||||
Previously MX for
Same first word
Similar names
DNS History
3 records (2 active, 1 former)
●A2001:1568::142026-03-27 → 2026-03-27 · 2 obs
○ 2016-06-26 18:55:44
● 2026-03-27 17:21:28
● 2026-03-27 17:21:28
●A81.91.86.142026-03-27 → 2026-03-27 · 2 obs
○ 2016-06-26 18:55:44
● 2026-03-27 17:21:28
● 2026-03-27 17:21:28
○A83.208.153.1282015-06-26 → 2016-06-26 · 3 obs
● 2015-06-26 13:38:20
● 2016-06-26 18:55:44
○ 2026-03-27 17:21:28
● 2016-06-26 18:55:44
○ 2026-03-27 17:21:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu... | - |
| surtec.eu | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1204ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.14 |
| AAAA | 1 | 2001:1568::14 |
Analysis
IP Addresses
mx.surtec.eu points to two IP numbers: 2001:1568::14 and 81.91.86.14.
Other host names such as onshore.cz, mail.kanadska-kamna.com, m106.server4u.cz, vs1056.server4u.cz and mail.nadobrounoc.cz share IPs with mx.surtec.eu.