rh.cz - robtex.com
rh.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 37.9.175.211🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| NS | ns1.websupport.cz ⭐ | ||||||
| A | 2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns1.websupport.eu | ||||||
| NS | ns2.websupport.cz | ||||||
| A | 2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48 | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24 | ||||||
| PTR | ns2.websupport.eu | ||||||
| NS | ns3.websupport.eu | ||||||
| A | 2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns3.websupport.eu | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1778952295 | ||||||
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=1783205241 | ||||||
Subdomains
ms.rh.cz |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSalfa.ns.active24.cz2015-08-05 → 2017-01-06 · 4 obs
● 2017-01-06 21:53:30
○ 2026-07-02 21:52:04
○ 2026-07-04 23:16:32
○NSbeta.ns.active24.cz2015-08-05 → 2017-01-06 · 4 obs
● 2017-01-06 21:53:30
○ 2026-07-02 21:52:04
○ 2026-07-04 23:16:32
○NSgama.ns.active24.sk2015-08-05 → 2017-01-06 · 4 obs
● 2017-01-06 21:53:30
○ 2026-07-02 21:52:04
○ 2026-07-04 23:16:32
●NSns1.websupport.cz2026-07-02 → 2026-07-04 · 3 obs
● 2026-07-02 21:52:04
● 2026-07-04 23:16:32
●NSns2.websupport.cz2026-07-02 → 2026-07-04 · 3 obs
● 2026-07-02 21:52:04
● 2026-07-04 23:16:32
●NSns3.websupport.eu2026-07-02 → 2026-07-04 · 3 obs
● 2026-07-02 21:52:04
● 2026-07-04 23:16:32
●A37.9.175.2112026-07-02 → 2026-07-04 · 3 obs
● 2026-07-02 21:52:04
● 2026-07-04 23:16:32
○A81.95.96.292016-02-26 → 2017-01-06 · 5 obs
● 2016-02-26 13:36:22
● 2017-01-06 21:53:30
○ 2026-07-02 21:52:04
○ 2026-07-04 23:16:32
○A95.168.192.842015-08-05 → 2015-11-25 · 4 obs
● 2015-11-25 14:54:26
○ 2016-02-26 13:36:22
○ 2026-07-04 23:16:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| rh.cz | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:45.10.97.13
NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 731ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.211 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
Hierarchy
rh.cz is the parent zone for ms.rh.cz.
IP Addresses
rh.cz points to a single IP number: 37.9.175.211.
Additional host names — mailin2.zvukar.net, pram.sk, kdo.cz and two others — share IP numbers with rh.cz.
Name Servers
Three name servers are authoritative for rh.cz: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
rh.cz partially shares its NS delegation with several other domains, including magnetcontroller.com, mareknumerato.cz, virtix.cz and two others.
ns1.websupport.cz resolves to 45.10.97.11 and 2a10:bbc0::11. ns2.websupport.cz resolves to 185.71.159.12 and 2a02:250:3::12. ns3.websupport.eu resolves to 45.10.97.13 and 2a10:bbc0::13. All three hostnames point to two IP numbers each.