sql2.restio.cz - robtex.com
sql2.restio.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:1568::13🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | php56.web4u.cz | ||||||
| A | 81.91.86.13🇨🇿 WEB4U81.91.80.0/21 | ||||||
restio.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:1568::13🇨🇿 WEB4U2001:1568::/33 | ||||||
| A | 81.91.86.13🇨🇿 WEB4U81.91.80.0/21 | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| NS | ns.web4u.cz | ||||||
| MX | mx1.mailchannels.net ⭐ | ||||||
| MX | mx2.mailchannels.net ⭐ | ||||||
| TXT | v=spf1 include:_spf.web4u.cz ~all | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-05-02 #0 | ||||||
Same first word
Similar names
DNS History
3 records (2 active, 1 former)
●A2001:1568::132015-11-09 → 2026-05-13 · 3 obs
○ 2015-06-25 09:09:28
● 2015-11-09 13:10:34
● 2026-05-13 06:53:12
● 2015-11-09 13:10:34
● 2026-05-13 06:53:12
●A81.91.86.132015-11-09 → 2026-05-13 · 3 obs
○ 2015-06-25 09:09:28
● 2015-11-09 13:10:34
● 2026-05-13 06:53:12
● 2015-11-09 13:10:34
● 2026-05-13 06:53:12
○A81.91.87.522015-06-25 → 2015-06-25 · 3 obs
● 2015-06-25 09:09:28
○ 2015-11-09 13:10:34
○ 2026-05-13 06:53:12
○ 2015-11-09 13:10:34
○ 2026-05-13 06:53:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz | - |
| restio.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ 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: 702ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.13 |
| AAAA | 1 | 2001:1568::13 |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.web4u.cz, ns2.web4u.cz, ns.web4u.cz...)
Analysis
IP Addresses
sql2.restio.cz points to two IPs: 2001:1568::13 and 81.91.86.13.
Other host names, for instance boxerdiesel.cz, mail.skolaumeni.cz, tattoolexus.cz, newwinery.com and repelentpredator.at share IP numbers with sql2.restio.cz.