zelvy.cz - robtex.com
zelvy.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.79.27.110🇨🇿 MASTER-AS80.79.16.0/20 MASTER-NET-2 | ||||||
| PTR | server2.a-do.cz | ||||||
| NS | server1.a-do.cz ⭐ | ||||||
| A | 80.79.27.109🇨🇿 MASTER-AS80.79.16.0/20 MASTER-NET-2 | ||||||
| PTR | server1.a-do.cz | ||||||
| NS | server2.a-do.cz | ||||||
| A | 80.79.27.110🇨🇿 MASTER-AS80.79.16.0/20 MASTER-NET-2 | ||||||
| PTR | server2.a-do.cz | ||||||
| MX | mailer.a-do.cz ⭐ | ||||||
| TXT | v=spf1 ip4:80.79.27.0/24 include:a-do.cz ~all | ||||||
| SOA | server1.a-do.czhelpdesk@atelier-dokument.cz 2026-02-10 #7 | ||||||
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=1776107862 | ||||||
Subdomains
www.zelvy.cz |
Same first word
Similar names
DNS History
17 records (4 active, 13 former)
○NShel.cgi.cz2007-12-12 → 2015-05-22 · 4 obs
● 2015-05-22 02:36:52
○ 2015-10-17 08:04:54
○ 2026-04-13 19:53:52
○NSns.kosmodrom.net2016-04-29 → 2017-01-10 · 5 obs
● 2016-04-29 18:01:34
● 2017-01-10 22:53:18
○ 2026-02-22 22:37:40
○ 2026-04-13 19:53:52
○NSns.trilogic.eu2016-04-29 → 2017-01-10 · 5 obs
● 2016-04-29 18:01:34
● 2017-01-10 22:53:18
○ 2026-02-22 22:37:40
○ 2026-04-13 19:53:52
○NSns1.trilogic.cz2015-10-17 → 2017-01-10 · 5 obs
● 2015-10-17 08:04:54
● 2017-01-10 22:53:18
○ 2026-02-22 22:37:40
○ 2026-04-13 19:53:52
○NSns2.trilogic.cz2015-10-17 → 2017-01-10 · 5 obs
● 2015-10-17 08:04:54
● 2017-01-10 22:53:18
○ 2026-02-22 22:37:40
○ 2026-04-13 19:53:52
○NSodine.cgi.cz2007-12-12 → 2015-05-22 · 4 obs
● 2015-05-22 02:36:52
○ 2015-10-17 08:04:54
○ 2026-04-13 19:53:52
●NSserver1.a-do.cz2026-02-22 → 2026-04-13 · 3 obs
● 2026-02-22 22:37:40
● 2026-04-13 19:53:52
●NSserver2.a-do.cz2026-02-22 → 2026-04-13 · 3 obs
● 2026-02-22 22:37:40
● 2026-04-13 19:53:52
○MXbsd.cgi.cz2015-05-22 → 2015-05-22 · 4 obs
● 2015-05-22 02:36:52
○ 2015-10-17 08:04:54
○ 2026-04-13 19:53:52
○MXhel.cgi.cz2007-12-12 → 2015-05-22 · 4 obs
● 2015-05-22 02:36:52
○ 2015-10-17 08:04:54
○ 2026-04-13 19:53:52
●MXmailer.a-do.cz2026-02-22 → 2026-04-13 · 3 obs
● 2026-02-22 22:37:40
● 2026-04-13 19:53:52
○MXserver.hf.cz2007-12-12 → 2007-12-12 · 3 obs
○ 2015-05-22 02:36:52
○ 2026-04-13 19:53:52
○MXsmtp-in.trilogic.cz2015-10-17 → 2017-01-10 · 5 obs
● 2015-10-17 08:04:54
● 2017-01-10 22:53:18
○ 2026-02-22 22:37:40
○ 2026-04-13 19:53:52
○A77.78.109.1372017-01-10 → 2017-01-10 · 4 obs
● 2017-01-10 22:53:18
○ 2026-02-22 22:37:40
○ 2026-04-13 19:53:52
●A80.79.27.1102026-02-22 → 2026-04-13 · 3 obs
● 2026-02-22 22:37:40
● 2026-04-13 19:53:52
○A81.0.199.182015-10-17 → 2016-04-29 · 5 obs
● 2015-10-17 08:04:54
● 2016-04-29 18:01:34
○ 2017-01-10 22:53:18
○ 2026-04-13 19:53:52
○A81.0.239.1812007-12-12 → 2015-05-22 · 4 obs
● 2015-05-22 02:36:52
○ 2015-10-17 08:04:54
○ 2026-04-13 19:53:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| zelvy.cz | server1.a-do.cz, server2.a-do.cz | - |
✅ Authoritative Response
Server:80.79.27.109
NS records: server1.a-do.cz, server2.a-do.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zelvy.cz (unsigned zone)
⏱️ Timing
Total: 1608ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.79.27.110 |
| NS | 2 | server1.a-do.cz, server2.a-do.cz |
| MX | 1 | mailer.a-do.cz (pri: 10) |
| TXT | 1 | v=spf1 ip4:80.79.27.0/24 include:a-do.cz |
| SOA | 1 | server1.a-do.cz helpdesk.atelier-dokumen |
Analysis
Hierarchy
zelvy.cz is a parent of www.zelvy.cz.
IP Addresses
zelvy.cz points to a single IP address: 80.79.27.110.
Other host names such as www.zelvy.cz, salvita.cz and server2.a-do.cz share IP numbers with zelvy.cz.
Name Servers
zelvy.cz is delegated to two name servers: server1.a-do.cz and server2.a-do.cz.
zelvy.cz uses the same name server setup as other domains, including vria.cz, hotelcernyslon.cz, mskytlicka.cz, hfad.cz and bobovadraha.cz.
Hostnames with a single IP
server1.a-do.cz resolves to: 80.79.27.109.
server2.a-do.cz resolves to: 80.79.27.110.
Mail Servers
The mail server for zelvy.cz is mailer.a-do.cz.
zelvy.cz uses the same mail server setup as other domains, for instance musica.cz, salvita.cz, vria.cz, hotelcernyslon.cz and hfad.cz.
Some mail servers are shared between zelvy.cz and other domains, for instance merinoshop.cz.
these mail servers are frequently used alongside the mail servers mxbackup.skok.cz.