highload.cz - robtex.com
highload.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=1785568640 | ||||||
Same first word
Similar names
DNS History
10 records (7 active, 3 former)
●NSns.gransy.com2015-08-07 → 2026-08-01 · 2 obs
● 2026-08-01 07:18:50
●NSns2.gransy.com2015-08-07 → 2026-08-01 · 2 obs
● 2026-08-01 07:18:50
●NSns3.gransy.com2015-08-07 → 2026-08-01 · 2 obs
● 2026-08-01 07:18:50
●NSns4.gransy.com2015-08-07 → 2026-08-01 · 2 obs
● 2026-08-01 07:18:50
●NSns5.gransy.com2015-08-07 → 2026-08-01 · 2 obs
● 2026-08-01 07:18:50
○MXmail.highload.cz2015-08-07 → 2016-07-02 · 4 obs
● 2016-07-02 11:43:38
○ 2017-03-15 17:29:34
○ 2026-08-01 07:18:50
○MXmail.ismeo.cz2017-03-15 → 2017-03-15 · 4 obs
● 2017-03-15 17:29:34
○ 2020-01-05 20:13:10
○ 2026-08-01 07:18:50
●MXmail.palo-alto.cz2020-01-05 → 2026-08-01 · 3 obs
● 2020-01-05 20:13:10
● 2026-08-01 07:18:50
●A46.234.105.2212016-03-10 → 2026-08-01 · 3 obs
● 2016-03-10 09:33:02
● 2026-08-01 07:18:50
○A95.168.211.1092015-08-07 → 2015-11-28 · 4 obs
● 2015-11-28 01:24:40
○ 2016-03-10 09:33:02
○ 2026-08-01 07:18:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| highload.cz | ns.gransy.com, ns2.gransy.com, ns3.gransy.com, ns4.gransy.com... | - |
✅ Authoritative Response
Server:95.179.136.180
NS records: ns.gransy.com, ns2.gransy.com, ns3.gransy.com, ns4.gransy.com, ns5.gransy.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2646ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.234.105.221 |
| NS | 5 | ns2.gransy.com, ns4.gransy.com... |
| MX | 1 | mail.palo-alto.cz (pri: 10) |
| SOA | 1 | ns.gransy.com root.gransy.com |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)
Analysis
IP Addresses
highload.cz directs to one IP number, which is 46.234.105.221.
Among the host names that share IP numbers with highload.cz are www.cafh.cz, zivotni-prostredi.cz, ivokahanek.cz and two others.
Name Servers
The authoritative name servers for highload.cz are ns2.gransy.com, ns3.gransy.com, ns4.gransy.com and two others.
The name servers of highload.cz overlap at least partially with those of other domains — among them dancephoto.cz, filip.es, axter.info and two more.
These name servers are routinely co-deployed with the name servers ns5.gransy.com, ns.gransy.com, ns2.internetserver.cz and two others.
Hostnames that point to five IP numbers:
ns2.gransy.com directs to 95.179.192.121, 217.16.185.221, 217.69.4.49 and two other IP addresses.
ns3.gransy.com directs to 46.21.100.103, 77.78.126.35, 109.74.7.71 and two other IP addresses.
Hosts pointing to four IP addresses:
ns4.gransy.com resolves to 66.42.94.136, 80.67.7.209, 2001:19f0:5401:69b:5400:1ff:fec5:8f3f and 2a00:1a28:2010:1::89.
ns.gransy.com resolves to 45.76.90.43, 77.78.104.149, 95.179.136.180 and 2001:19f0:5001:1caf:5400:1ff:fec5:8d50.
Hosts with two IP numbers each:
The A records for ns5.gransy.com return 31.192.227.223 and 2a02:750:5::538.
Mail Servers
highload.cz routes its mail through a single mail server, mail.palo-alto.cz.
highload.cz has the same mail server arrangement as a number of other domains, for example squashschool.cz, palo-alto.cz, matousek.eu and two more.
mail.palo-alto.cz resolves to 46.234.105.220 and no other IP number.