opencaching.cz - robtex.com
opencaching.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:430:53::8300:201🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ | ||||||
| A | 2a01:430:53::8300:202🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ | ||||||
| A | 83.167.244.201🇨🇿 MASTER-AS83.167.224.0/19 MASTER-NET-5 | ||||||
| A | 83.167.244.202🇨🇿 MASTER-AS83.167.224.0/19 MASTER-NET-5 | ||||||
| NS | ns1.svethostingu.cz ⭐ | ||||||
| A | 2a01:430:53::8300:171🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ | ||||||
| A | 83.167.244.171🇨🇿 MASTER-AS83.167.224.0/19 MASTER-NET-5 | ||||||
| NS | ns2.svethostingu.cz | ||||||
| A | 2a02:a40:20c::98🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| A | 212.158.159.98🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block | ||||||
| PTR | ns2.svethostingu.cz | ||||||
| NS | ns3.svethostingu.eu | ||||||
| A | 2a03:b0c0:3:e0::14d:d001🇩🇪 DIGITALOCEAN2a03:b0c0:3::/48 DigitalOcean | ||||||
| PTR | ns3.svethostingu.eu | ||||||
| A | 165.22.74.103🇩🇪 DIGITALOCEAN165.22.64.0/20 DigitalOcean | ||||||
| PTR | ns3.svethostingu.eu | ||||||
| SOA | ns1.svethostingu.czdnsmaster@svethostingu.cz 2025-03-26 #2 | ||||||
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=1775978246 | ||||||
Subdomains
www.opencaching.cz |
Same first word
DNS History
13 records (7 active, 6 former)
○NSns.forpsi.cz2015-08-15 → 2017-04-11 · 4 obs
● 2017-04-11 00:26:28
○ 2026-02-16 12:51:22
○ 2026-04-12 07:56:08
○NSns.forpsi.it2015-08-15 → 2017-04-11 · 4 obs
● 2017-04-11 00:26:28
○ 2026-02-16 12:51:22
○ 2026-04-12 07:56:08
○NSns.forpsi.net2015-08-15 → 2017-04-11 · 4 obs
● 2017-04-11 00:26:28
○ 2026-02-16 12:51:22
○ 2026-04-12 07:56:08
●NSns1.svethostingu.cz2026-02-16 → 2026-04-12 · 3 obs
● 2026-02-16 12:51:22
● 2026-04-12 07:56:08
●NSns2.svethostingu.cz2026-02-16 → 2026-04-12 · 3 obs
● 2026-02-16 12:51:22
● 2026-04-12 07:56:08
●NSns3.svethostingu.eu2026-02-16 → 2026-04-12 · 3 obs
● 2026-02-16 12:51:22
● 2026-04-12 07:56:08
○MXjohniez.cz2015-08-15 → 2026-02-16 · 4 obs
● 2026-02-16 12:51:22
○ 2026-02-19 04:42:44
○ 2026-04-12 07:56:08
○A2a01:430:17:1::ffff:2092016-03-10 → 2017-04-11 · 5 obs
● 2016-03-10 04:49:56
● 2017-04-11 00:26:28
○ 2026-02-16 12:51:22
○ 2026-04-12 07:56:08
●A2a01:430:53::8300:2012026-02-16 → 2026-04-12 · 3 obs
● 2026-02-16 12:51:22
● 2026-04-12 07:56:08
●A2a01:430:53::8300:2022026-02-16 → 2026-04-12 · 3 obs
● 2026-02-16 12:51:22
● 2026-04-12 07:56:08
○A37.205.9.1602015-08-15 → 2017-04-11 · 4 obs
● 2017-04-11 00:26:28
○ 2026-02-16 12:51:22
○ 2026-04-12 07:56:08
●A83.167.244.2012026-02-16 → 2026-04-12 · 3 obs
● 2026-02-16 12:51:22
● 2026-04-12 07:56:08
●A83.167.244.2022026-02-16 → 2026-04-12 · 3 obs
● 2026-02-16 12:51:22
● 2026-04-12 07:56:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | - |
| opencaching.cz | ns2.svethostingu.cz, ns3.svethostingu.eu, ns1.svethostingu.cz | 4 records |
✅ Authoritative Response
Server:212.158.159.98
NS records: ns2.svethostingu.cz, ns3.svethostingu.eu, ns1.svethostingu.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opencaching.cz (unsigned zone)
⏱️ Timing
Total: 1164ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 83.167.244.202, 83.167.244.201 |
| AAAA | 2 | 2a01:430:53::8300:201, 2a01:430:53::8300:202 |
| NS | 3 | ns2.svethostingu.cz, ns1.svethostingu.cz... |
| SOA | 1 | ns1.svethostingu.cz dnsmaster.svethostin |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.svethostingu.cz, ns1.svethostingu.cz, ns2.svethostingu.cz...)
Analysis
Hierarchy
The parent of www.opencaching.cz is opencaching.cz.
IP Addresses
opencaching.cz maps to four IP numbers: 2a01:430:53::8300:201, 2a01:430:53::8300:202, 83.167.244.201 and 83.167.244.202.
Other host names such as cubespace.cz, tesort.eu, www.poliklinikapisek.cz, bohemiaplast.cz and kubat-software.com share IPs with opencaching.cz.
Name Servers
opencaching.cz is delegated to three name servers: ns1.svethostingu.cz, ns2.svethostingu.cz and ns3.svethostingu.eu.
opencaching.cz at least partially shares name servers with other domains, for example damato.cz, essens-club.eu, bozp.com, zenskezbrane.cz and drdesign.cz.
these name servers commonly pair with ns1.shopion.cz, ns2.shopion.cz, ns1.svetvps.cz and ns2.svetvps.cz.
Host names with two IP numbers:
ns1.svethostingu.cz points to 2a01:430:53::8300:171 and 83.167.244.171
ns2.svethostingu.cz points to 2a02:a40:20c::98 and 212.158.159.98
ns3.svethostingu.eu points to 2a03:b0c0:3:e0::14d:d001 and 165.22.74.103