mx.itb.cz - robtex.com
mx.itb.cz
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 81.2.216.62๐จ๐ฟ INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| PTR | mail.itb.cz | ||||||
itb.cz
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 81.2.216.62๐จ๐ฟ INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s. | ||||||
| NS | ns.itb.cz โญ | ||||||
| NS | ns3.chaintech.cz | ||||||
| MX | mail.itb.cz โญ | ||||||
| MX | ns3.chaintech.cz(20) | ||||||
| TXT | v=spf1 mx ~all | ||||||
| SOA | ns.itb.czroot@itb.cz serial=10 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
โA81.2.216.622016-09-11 โ 2026-07-11 ยท 2 obs
โ 2016-09-11 09:07:08
โ 2026-07-11 08:05:46
โ 2026-07-11 08:05:46
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| itb.cz | ns.itb.cz, ns3.chaintech.cz | 1 record |
โ Authoritative Response
Server:81.2.199.28
NS records: ns.itb.cz, ns3.chaintech.cz
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for itb.cz (unsigned zone)
โฑ๏ธ Timing
Total: 1339ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.2.216.62 |
๐ Glue Records Collected
Total: 1
In-bailiwick: 1 (ns.itb.cz)
Analysis
IP Addresses
mx.itb.cz resolves to one IP address: 81.2.216.62.
itb.cz, mail.itb.cz, 62.216.forpsi.net and two other host names share IP numbers with mx.itb.cz.