rezk.cz - robtex.com
rezk.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a02:25b0:aaaa:1::3🇨🇿 SECURITYNET-AS2a02:25b0:aaaa::/48 SECURITYNET-2a07:dbc0::/32 | ||||||
| A | 2a02:25b0:aaaa:1::7🇨🇿 SECURITYNET-AS2a02:25b0:aaaa::/48 SECURITYNET-2a07:dbc0::/32 | ||||||
| A | 46.36.36.152🇨🇿 SECURITYNET-AS46.36.36.0/24 GTT-NET prefix | ||||||
| A | 176.102.64.64🇨🇿 SECURITYNET-AS176.102.64.0/24 SECURITYNET-176.102.64/24 | ||||||
| NS | ns1.hukot.cz ⭐ | ||||||
| A | 46.36.35.65🇨🇿 SECURITYNET-AS46.36.35.0/24 GTT-NET prefix | ||||||
| PTR | mx2.securitynet.cz | ||||||
| NS | ns2.securitynet.cz | ||||||
| A | 46.36.36.151🇨🇿 SECURITYNET-AS46.36.36.0/24 GTT-NET prefix | ||||||
| PTR | 151-36.hukot.cloud | ||||||
| NS | ns3.hukot.cz | ||||||
| A | 46.36.36.153🇨🇿 SECURITYNET-AS46.36.36.0/24 GTT-NET prefix | ||||||
| PTR | 153-36.hukot.cloud | ||||||
| MX | mail.hukot.net ⭐ | ||||||
| A | 46.36.35.152🇨🇿 SECURITYNET-AS46.36.35.0/24 GTT-NET prefix | ||||||
| PTR | mail.hukot.net | ||||||
| MX | mx2.securitynet.cz(100) | ||||||
| A | 46.36.35.65🇨🇿 SECURITYNET-AS46.36.35.0/24 GTT-NET prefix | ||||||
| PTR | mx2.securitynet.cz | ||||||
| TXT | v=spf1 a mx include:spf.hukot.net ~all | ||||||
| SOA | ns1.hukot.czhukot@hukot.cz serial=1754989794 | ||||||
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=1774621038 | ||||||
Same first word
Similar names
DNS History
12 records (9 active, 3 former)
●NSns2.securitynet.cz2015-06-30 → 2026-03-27 · 2 obs
● 2026-03-27 14:47:22
●MXmail.hukot.net2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 04:17:16
● 2026-03-27 14:47:22
○MXmx.securitynet.cz2015-06-30 → 2020-01-03 · 4 obs
● 2020-01-03 04:33:00
○ 2026-03-27 04:17:16
○ 2026-03-27 14:47:22
●MXmx2.securitynet.cz2015-06-30 → 2026-03-27 · 2 obs
● 2026-03-27 14:47:22
●A176.102.64.642026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 04:17:16
● 2026-03-27 14:47:22
●A2a02:25b0:aaaa:1::32026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 04:17:16
● 2026-03-27 14:47:22
●A2a02:25b0:aaaa:1::72026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 04:17:16
● 2026-03-27 14:47:22
○A46.36.35.1552015-06-30 → 2016-03-21 · 4 obs
● 2016-03-21 02:01:38
○ 2017-02-11 23:11:56
○ 2026-03-27 14:47:22
●A46.36.36.1522026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 04:17:16
● 2026-03-27 14:47:22
○A51.254.238.682017-02-11 → 2020-01-03 · 5 obs
● 2017-02-11 23:11:56
● 2020-01-03 04:33:00
○ 2026-03-27 04:17:16
○ 2026-03-27 14:47:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| rezk.cz | ns1.hukot.cz, ns2.securitynet.cz, ns3.hukot.cz | - |
✅ Authoritative Response
Server:46.36.35.65
NS records: ns1.hukot.cz, ns2.securitynet.cz, ns3.hukot.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rezk.cz (unsigned zone)
⏱️ Timing
Total: 1403ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 46.36.36.152, 176.102.64.64 |
| AAAA | 2 | 2a02:25b0:aaaa:1::3, 2a02:25b0:aaaa:1::7 |
| NS | 3 | ns1.hukot.cz, ns3.hukot.cz... |
| MX | 2 | mail.hukot.net (pri: 10), mx2.securitynet.cz (pri: 100) |
| TXT | 1 | v=spf1 a mx include:spf.hukot.net ~all |
| SOA | 1 | ns1.hukot.cz hukot.hukot.cz |
Analysis
IP Addresses
Four IP numbers are pointed to by rezk.cz: 2a02:25b0:aaaa:1::3, 2a02:25b0:aaaa:1::7, 46.36.36.152 and 176.102.64.64.
other host names including 82-43-user.ktuo.cz, 202-136.ktuo.cz, serm-brno.cz, 114-43-user.ktuo.cz and saunafest.cz share IP numbers with rezk.cz.
Name Servers
rezk.cz is delegated to three name servers ns1.hukot.cz, ns3.hukot.cz and ns2.securitynet.cz.
rezk.cz at least partially shares name servers with other domains, for instance koupelnovevybaveni.cz, supersoftware.cz, prahasrdcenarodu.cz, webservis.eu and horak.cx.
These name servers are commonly used alongside nssecnet1.hukot.cz and nssecnet2.hukot.cz.
Host names with one IP number: ns1.hukot.cz points to 46.36.35.65; ns3.hukot.cz points to 46.36.36.153; ns2.securitynet.cz points to 46.36.36.151.
Mail Servers
Two mail servers handle rezk.cz: mx2.securitynet.cz and mail.hukot.net.
rezk.cz shares the same mail server setup as other domains, for instance darkruby.net, kranich.cz, kada.cz, fish-com.cz and fotofresa.cz.
rezk.cz shares some mail servers with other domains, at least partially, for instance ettea.com, whitevpn.cz, alena.cz, rapee.cz and kbassembly.com.
these mail servers are commonly used with the mail servers mx.securitynet.cz.
Host names with one IP number:
mx2.securitynet.cz points to 46.36.35.65
mail.hukot.net points to 46.36.35.152