hereka.cz - robtex.com
hereka.cz
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=1774811838 | ||||||
Subdomains
mail.hereka.cz |
Same first word
Similar names
DNS History
13 records (7 active, 6 former)
●NSns.gransy.com2026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 08:12:24
● 2026-03-29 19:37:26
○NSns1.above.com2015-08-02 → 2017-07-08 · 4 obs
● 2017-07-08 13:57:02
○ 2026-03-27 08:12:24
○ 2026-03-29 19:37:26
○NSns2.above.com2015-08-02 → 2017-07-08 · 4 obs
● 2017-07-08 13:57:02
○ 2026-03-27 08:12:24
○ 2026-03-29 19:37:26
●NSns2.gransy.com2026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 08:12:24
● 2026-03-29 19:37:26
●NSns3.gransy.com2026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 08:12:24
● 2026-03-29 19:37:26
●NSns4.gransy.com2026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 08:12:24
● 2026-03-29 19:37:26
●NSns5.gransy.com2026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 08:12:24
● 2026-03-29 19:37:26
●MXmail.hereka.cz2026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 08:12:24
● 2026-03-29 19:37:26
○MXmail.post-host.net2015-08-02 → 2016-06-23 · 4 obs
● 2016-06-23 13:03:18
○ 2016-11-23 05:09:16
○ 2026-03-29 19:37:26
○MXmx92.m1bp.com2017-07-08 → 2017-07-08 · 4 obs
● 2017-07-08 13:57:02
○ 2026-03-27 08:12:24
○ 2026-03-29 19:37:26
○MXmx92.mb5p.com2017-07-08 → 2017-07-08 · 4 obs
● 2017-07-08 13:57:02
○ 2026-03-27 08:12:24
○ 2026-03-29 19:37:26
○A103.224.182.2412015-08-02 → 2017-07-08 · 4 obs
● 2017-07-08 13:57:02
○ 2026-03-27 08:12:24
○ 2026-03-29 19:37:26
●A77.78.104.32026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 08:12:24
● 2026-03-29 19:37:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz | - |
| hereka.cz | ns.gransy.com, ns2.gransy.com, ns3.gransy.com, ns4.gransy.com... | - |
✅ Authoritative Response
Server:217.16.185.221
NS records: ns.gransy.com, ns2.gransy.com, ns3.gransy.com, ns4.gransy.com, ns5.gransy.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hereka.cz (unsigned zone)
⏱️ Timing
Total: 4258ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 77.78.104.3 |
| NS | 5 | ns3.gransy.com, ns4.gransy.com... |
| MX | 1 | mail.hereka.cz (pri: 10) |
| TXT | 1 | v=spf1 a mx include:gransy.com |
| SOA | 1 | ns.gransy.com root.gransy.com |
Analysis
Hierarchy
The parent of mail.hereka.cz is hereka.cz.
IP Addresses
hereka.cz points to a single IP number: 77.78.104.3.
Other host names, for instance chronoshop.net, krediton.cz, ulozte.cz, softwarepro.sk and petrolej.cz share IP numbers with hereka.cz.
Name Servers
hereka.cz is delegated to five name servers: ns2.gransy.com, ns3.gransy.com, ns4.gransy.com, ns5.gransy.com and ns.gransy.com.
hereka.cz shares name servers with other domains at least partially, for instance blabol.cz, apec.cz, kiero.cz, skloplus.cz and spite.cz.
Host names with five IP numbers:
ns2.gransy.com points to: 2001:19f0:6801:474:5400:1ff:fec5:8efb, 2001:19f0:7401:81e0:5400:1ff:fec5:8ef6, 95.179.192.121, 217.16.185.221 and 217.69.4.49.
ns3.gransy.com points to: 2a02:750:7::2e7, 2a02:750:8::32, 46.21.100.103, 77.78.126.35 and 109.74.7.71.
Host names with four IP numbers:
ns4.gransy.com points to: 2001:19f0:5401:69b:5400:1ff:fec5:8f3f, 2a00:1a28:2010:1::89, 66.42.94.136 and 80.67.7.209.
ns.gransy.com points to: 2001:19f0:5001:1caf:5400:1ff:fec5:8d50, 45.76.90.43, 77.78.104.149 and 95.179.136.180.
Host names with two IP numbers:
ns5.gransy.com points to: 2a02:750:5::538 and 31.192.227.223.