krko.cz - robtex.com
krko.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a02:25b0:aaaa:1::4🇨🇿 SECURITYNET-AS2a02:25b0:aaaa::/48 SECURITYNET-2a07:dbc0::/32 | ||||||
| A | 2a02:25b0:aaaa:1::8🇨🇿 SECURITYNET-AS2a02:25b0:aaaa::/48 SECURITYNET-2a07:dbc0::/32 | ||||||
| A | 46.36.36.153🇨🇿 SECURITYNET-AS46.36.36.0/24 GTT-NET prefix | ||||||
| A | 176.102.65.65🇨🇿 SECURITYNET-AS176.102.65.0/24 SECURITYNET-176.102.65/24 | ||||||
| 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=1770646202 | ||||||
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=1775153839 | ||||||
Same first word
Similar names
DNS History
16 records (9 active, 7 former)
●NSns1.hukot.cz2026-03-27 → 2026-04-02 · 3 obs
● 2026-03-27 16:33:16
● 2026-04-02 19:05:10
○NSns1.websupport.sk2015-08-17 → 2016-04-11 · 4 obs
● 2016-04-11 06:32:30
○ 2016-10-12 22:34:46
○ 2026-04-02 19:05:10
●NSns2.securitynet.cz2026-03-27 → 2026-04-02 · 3 obs
● 2026-03-27 16:33:16
● 2026-04-02 19:05:10
○NSns2.websupport.sk2015-08-17 → 2016-04-11 · 4 obs
● 2016-04-11 06:32:30
○ 2016-10-12 22:34:46
○ 2026-04-02 19:05:10
●NSns3.hukot.cz2026-03-27 → 2026-04-02 · 3 obs
● 2026-03-27 16:33:16
● 2026-04-02 19:05:10
○NSns3.websupport.sk2015-08-17 → 2016-04-11 · 4 obs
● 2016-04-11 06:32:30
○ 2016-10-12 22:34:46
○ 2026-04-02 19:05:10
●MXmail.hukot.net2026-03-27 → 2026-04-02 · 3 obs
● 2026-03-27 16:33:16
● 2026-04-02 19:05:10
○MXmailin1.krko.cz2015-08-17 → 2016-04-11 · 4 obs
● 2016-04-11 06:32:30
○ 2016-10-12 22:34:46
○ 2026-04-02 19:05:10
○MXmailin2.krko.cz2015-08-17 → 2016-04-11 · 4 obs
● 2016-04-11 06:32:30
○ 2016-10-12 22:34:46
○ 2026-04-02 19:05:10
●MXmx2.securitynet.cz2026-03-27 → 2026-04-02 · 3 obs
● 2026-03-27 16:33:16
● 2026-04-02 19:05:10
●A176.102.65.652026-03-27 → 2026-04-02 · 3 obs
● 2026-03-27 16:33:16
● 2026-04-02 19:05:10
●A2a02:25b0:aaaa:1::42026-03-27 → 2026-04-02 · 3 obs
● 2026-03-27 16:33:16
● 2026-04-02 19:05:10
●A2a02:25b0:aaaa:1::82026-03-27 → 2026-04-02 · 3 obs
● 2026-03-27 16:33:16
● 2026-04-02 19:05:10
○A37.9.169.62015-08-17 → 2015-08-17 · 3 obs
○ 2015-12-30 16:03:30
○ 2026-04-02 19:05:10
○A37.9.175.62015-12-30 → 2016-04-11 · 5 obs
● 2015-12-30 16:03:30
● 2016-04-11 06:32:30
○ 2016-10-12 22:34:46
○ 2026-04-02 19:05:10
●A46.36.36.1532026-03-27 → 2026-04-02 · 3 obs
● 2026-03-27 16:33:16
● 2026-04-02 19:05:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| krko.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 krko.cz (unsigned zone)
⏱️ Timing
Total: 1636ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 46.36.36.153, 176.102.65.65 |
| AAAA | 2 | 2a02:25b0:aaaa:1::4, 2a02:25b0:aaaa:1::8 |
| NS | 3 | ns2.securitynet.cz, ns1.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
krko.cz points to four IP numbers: 2a02:25b0:aaaa:1::4, 2a02:25b0:aaaa:1::8, 46.36.36.153 and 176.102.65.65.
Other host names, for instance andrs.net, 120-98-user.ktuo.cz, amzone.cz, dokas.cz and 84.142.ktuo.cz share IP numbers with krko.cz.
Name Servers
The domain krko.cz is delegated to three name servers: ns1.hukot.cz, ns3.hukot.cz and ns2.securitynet.cz.
krko.cz shares name servers with other domains at least partially, for instance internetovesazky.cz, aprilmouse.cz, anarchiste.org, krevla.eu and interierykubala.cz.
these name servers are often used together with the name servers ns1.securitynet.cz.
Host names with a single 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
krko.cz is handled by two mail servers: mx2.securitynet.cz and mail.hukot.net.
krko.cz shares the same mail server setup as other domains, including meadow-ranch.com, vlkov.eu, sorec.sk, emtrading.cz and agarek.com.
krko.cz shares some mail servers with other domains, including trenovanipameti.cz, maturitnitabla.cz, ettea.com, whitevpn.cz and alena.cz.
These mail servers are often 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.