cdprovas.cz - robtex.com
cdprovas.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 82.117.140.18🇨🇿 CDT-AS82.117.128.0/19 CD-Telematika a.s. The Czech Republic | ||||||
| NS | ns1.cdt.cz ⭐ | ||||||
| A | 2001:1a48:0:1::2🇨🇿 CDT-AS2001:1a48::/32 CD-Telematika a.s. The Czech Republic | ||||||
| PTR | ns1.cdt.cz | ||||||
| A | 81.19.33.2🇨🇿 CDT-AS81.19.32.0/20 CD-Telematika a.s. The Czech Republic | ||||||
| PTR | ns1.cdt.cz | ||||||
| NS | ns2.cdt.cz | ||||||
| A | 2001:1a48:0:2::2🇨🇿 CDT-AS2001:1a48::/32 CD-Telematika a.s. The Czech Republic | ||||||
| PTR | ns2.cdt.cz | ||||||
| A | 81.19.34.2🇨🇿 CDT-AS81.19.32.0/20 CD-Telematika a.s. The Czech Republic | ||||||
| PTR | ns2.cdt.cz | ||||||
| MX | smtp.cdtnet.cz ⭐ | ||||||
| A | 82.117.148.199🇨🇿 CDT-AS82.117.128.0/19 CD-Telematika a.s. The Czech Republic | ||||||
| PTR | smtp.cdtnet.cz | ||||||
| TXT | v=spf1 mx include:_spf.all.ebrana.cz a:smtp.cdtnet.cz ip4:82.117.128.37/32 ip... | ||||||
| SOA | ns1.cdt.czhostmaster@cdt.cz 2025-11-18 #0 | ||||||
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=1771291036 | ||||||
DNS History
11 records (4 active, 7 former)
○NSns01.dmz.cdisnet.cz2015-07-16 → 2017-04-10 · 8 obs
○ 2015-11-22 03:51:52
● 2016-02-23 07:43:38
○ 2016-07-01 08:39:36
● 2016-10-13 07:10:52
● 2017-04-10 17:33:22
○ 2026-02-26 18:48:06
○ 2026-02-26 18:48:08
○NSns02.dmz.cdisnet.cz2015-07-16 → 2017-04-10 · 8 obs
● 2015-11-22 03:51:52
○ 2016-02-23 07:43:38
● 2016-07-01 08:39:36
○ 2016-10-13 07:10:52
● 2017-04-10 17:33:22
○ 2026-02-26 18:48:06
○ 2026-02-26 18:48:08
●NSns1.cdt.cz2026-02-26 → 2026-02-26 · 3 obs
● 2026-02-26 18:48:06
● 2026-02-26 18:48:08
●NSns2.cdt.cz2026-02-26 → 2026-02-26 · 3 obs
● 2026-02-26 18:48:06
● 2026-02-26 18:48:08
○MXmail-i01.dmz.cd.cz2015-07-16 → 2016-02-23 · 4 obs
● 2016-02-23 07:43:38
○ 2016-07-01 08:39:36
○ 2026-02-26 18:48:08
○MXns-i01.dmz.cd.cz2015-07-16 → 2016-02-23 · 4 obs
● 2016-02-23 07:43:38
○ 2016-07-01 08:39:36
○ 2026-02-26 18:48:08
○MXsis0000phaux801.ecps.cz2016-07-01 → 2017-04-10 · 5 obs
● 2016-07-01 08:39:36
● 2017-04-10 17:33:22
○ 2026-02-26 18:48:06
○ 2026-02-26 18:48:08
○MXsis0000phaux821.ecps.cz2016-07-01 → 2017-04-10 · 5 obs
● 2016-07-01 08:39:36
● 2017-04-10 17:33:22
○ 2026-02-26 18:48:06
○ 2026-02-26 18:48:08
●MXsmtp.cdtnet.cz2026-02-26 → 2026-02-26 · 3 obs
● 2026-02-26 18:48:06
● 2026-02-26 18:48:08
○A109.205.75.422015-07-16 → 2017-04-10 · 4 obs
● 2017-04-10 17:33:22
○ 2026-02-26 18:48:06
○ 2026-02-26 18:48:08
●A82.117.140.182026-02-26 → 2026-02-26 · 3 obs
● 2026-02-26 18:48:06
● 2026-02-26 18:48:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz | - |
| cdprovas.cz | ns1.cdt.cz, ns2.cdt.cz | 4 records |
✅ Authoritative Response
Server: 81.19.33.2
NS records: ns1.cdt.cz, ns2.cdt.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdprovas.cz (unsigned zone)
⏱️ Timing
Total: 447ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 82.117.140.18 |
| NS | 2 | ns2.cdt.cz, ns1.cdt.cz |
| MX | 1 | smtp.cdtnet.cz (pri: 10) |
| TXT | 1 | v=spf1 mx include:_spf.all.ebrana.cz a:s |
| SOA | 1 | ns1.cdt.cz hostmaster.cdt.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.cdt.cz, ns1.cdt.cz, ns2.cdt.cz...)
AI analysis
cdprovas.cz resolves to one IP number: 82.117.140.18.
Other host names, for instance ceskedrahy.cz, share IP numbers with cdprovas.cz.
cdprovas.cz is delegated to two name servers ns1.cdt.cz and ns2.cdt.cz.
cdprovas.cz shares the same name server setup as other domains, for instance cdcnet.cz, cd.cz, cdwifi.cz, cd-t.cz and cdelfik.cz.
cdprovas.cz at least partially shares name servers with other domains, for instance wcservis.com, 156.235.213.in-addr.arpa, 124.146.195.in-addr.arpa, 96.146.195.in-addr.arpa and 124.11.212.in-addr.arpa.
These name servers are commonly used with ns.cdt.cz, dns.alberon.cz, ns1.mirnet.cz, ns.vlada.cz and nssec.vlada.cz.
Host names with two IP numbers:
The host name ns1.cdt.cz points to 2001:1a48:0:1::2 and 81.19.33.2; the host name ns2.cdt.cz points to 2001:1a48:0:2::2 and 81.19.34.2.
cdprovas.cz is handled by a single mail server, smtp.cdtnet.cz.
cdprovas.cz shares the same mail server setup as other domains, for instance cis.cd.cz, ldgw.cd.cz, cdcnet.cz, cd.cz and cdwifi.cz.
smtp.cdtnet.cz resolves to IP 82.117.148.199.