webczech.cz - robtex.com
webczech.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 83.167.234.27🇨🇿 MASTER-AS83.167.224.0/19 MASTER-NET-5 | ||||||
| PTR | mail.webczech.cz | ||||||
| NS | dns1.master.cz ⭐ | ||||||
| A | 2a01:430:100:4c::acdc🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ | ||||||
| PTR | dns1.master.cz | ||||||
| A | 81.31.37.68🇨🇿 MASTER-AS81.31.32.0/20 MASTER-NET-1 | ||||||
| PTR | dns1.master.cz | ||||||
| NS | dns2.master.cz | ||||||
| A | 2a01:430:200:1e::abba🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ | ||||||
| PTR | dns2.master.cz | ||||||
| A | 80.79.16.4🇨🇿 MASTER-AS80.79.16.0/20 MASTER-NET-2 | ||||||
| PTR | dns2.master.cz | ||||||
| MX | mail.webczech.cz ⭐ | ||||||
| A | 83.167.234.27🇨🇿 MASTER-AS83.167.224.0/19 MASTER-NET-5 | ||||||
| PTR | mail.webczech.cz | ||||||
| TXT | v=spf1 mx a include:_servery.webczech.cz ~all | ||||||
| SOA | dns1.master.cznoc@master.cz serial=2024073227 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1785457040 | ||||||
Subdomains
mail.webczech.cz |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●MXmail.webczech.cz2015-06-04 → 2026-07-31 · 2 obs
● 2026-07-31 00:46:58
●A83.167.234.272015-06-04 → 2026-07-31 · 2 obs
● 2026-07-31 00:46:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| webczech.cz | dns1.master.cz, dns2.master.cz | - |
✅ Authoritative Response
Server:81.31.37.68
NS records: dns1.master.cz, dns2.master.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for webczech.cz (unsigned zone)
⏱️ Timing
Total: 1328ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 83.167.234.27 |
| NS | 2 | dns1.master.cz, dns2.master.cz |
| MX | 1 | mail.webczech.cz (pri: 10) |
| TXT | 1 | v=spf1 mx a include:_servery.webczech.cz |
| SOA | 1 | dns1.master.cz noc.master.cz |
Analysis
Hierarchy
The domain mail.webczech.cz falls under the parent webczech.cz.
IP Addresses
webczech.cz resolves to just one IP address, 83.167.234.27.
Two other host names, along with mail.levne-tonery.com, levne-tonery.com and sedime.cz, also share IP numbers with webczech.cz.
Name Servers
Two name servers handle the delegation for webczech.cz: dns1.master.cz and dns2.master.cz.
webczech.cz shares its NS records with other domains, for example happyhair.cz, kola-dema.cz, shop-obp.cz and two others.
At least some of webczech.cz's name servers are shared with other domains, for example policie-cr.cz, luxmax.sk, m-stol.cz and two more.
These name servers are often deployed together with the name servers d1561.masterinter.net, d723.masterinter.net, d1264.master.cz and d1264.masterinter.net.
dns1.master.cz and dns2.master.cz both carry two IP addresses. The A records for dns1.master.cz are 81.31.37.68 and 2a01:430:100:4c::acdc; the A records for dns2.master.cz are 80.79.16.4 and 2a01:430:200:1e::abba.
Mail Servers
The sole mail server for webczech.cz is mail.webczech.cz.
mail.webczech.cz carries a single IP number, which is 83.167.234.27.