mx2.calyx.cz - robtex.com
mx2.calyx.cz
| DNSSEC | ⚠️ Not signed | ||||||
calyx.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 194.228.50.152🇨🇿 O2-CZECH-REPUBLIC194.228.0.0/17 CZ.CZNET | ||||||
| NS | ns1.regzone.cz ⭐ | ||||||
| NS | ns1.regzone.de | ||||||
| NS | ns1.regzone.info | ||||||
| MX | calyx-cz.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 a:mail.pekab.cz ip4:85.248.216.100 ip4:82.99.166.139 include:_spf.cdes... | ||||||
| SOA | ns1.regzone.czadministrator@czechia.cz 2026-04-17 #4 | ||||||
PTR for
Previously MX for
Same first word
Similar names
DNS History
1 record (0 active, 1 former)
○A85.93.116.1652015-07-16 → 2017-01-10 · 3 obs
● 2015-07-16 13:28:06
● 2017-01-10 02:55:26
○ 2026-05-10 08:07:38
● 2017-01-10 02:55:26
○ 2026-05-10 08:07:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | - |
| calyx.cz | ns1.regzone.de, ns1.regzone.info, ns1.regzone.cz | 2 records |
✅ Authoritative Response
Server:217.198.113.10
NS records: ns1.regzone.de, ns1.regzone.info, ns1.regzone.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 853ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)