mx1.jail.cz - robtex.com
mx1.jail.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.205.9.122🇨🇿 MASTER-AS37.205.8.0/22 RELBIT-VPSFREE | ||||||
| PTR | silex.hostujemeweb.cz | ||||||
jail.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.205.9.122🇨🇿 MASTER-AS37.205.8.0/22 RELBIT-VPSFREE | ||||||
| NS | ns1.hostujemeweb.cz ⭐ | ||||||
| NS | ns2.hostujemeweb.cz | ||||||
| MX | mx1.jail.cz ⭐ | ||||||
| TXT | v=spf1 mx a ip4:37.205.9.122 a:silex.hostujemeweb.cz -all | ||||||
| TXT | google-site-verification=Tw--qAscTOBvXT0jWbFMIiPtLyPQR2Vvbb7WmaP5ZYc | ||||||
| SOA | ns1.hostujemeweb.czjb@jail.cz 2021-10-08 #1 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A37.205.9.1222015-05-10 → 2026-05-11 · 2 obs
● 2015-05-10 21:34:02
● 2026-05-11 19:30:46
● 2026-05-11 19:30:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| jail.cz | ns1.hostujemeweb.cz, ns2.hostujemeweb.cz | 2 records |
✅ Authoritative Response
Server:37.205.9.122
NS records: ns1.hostujemeweb.cz, ns2.hostujemeweb.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jail.cz (unsigned zone)
⏱️ Timing
Total: 965ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.205.9.122 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.hostujemeweb.cz, ns2.hostujemeweb.cz)
Analysis
Mail Server Role
The mail server for jail.cz is mx1.jail.cz.
IP Addresses
mx1.jail.cz points to a single IP number: 37.205.9.122.
Other host names, for instance www.jail.cz, www.soulrider.cz, mx1.texsport.cz, tomaschadim.com and silex.hostujemeweb.cz share IP numbers with mx1.jail.cz.