devtools.cz - dns.ninja
devtools.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 92.240.183.193🇨🇿 AS1624692.240.160.0/19 RIOMEDIA | ||||||
| PTR | 92-240-183-193.client.rionet.cz | ||||||
| NS | ns1.regzone.cz ⭐ | ||||||
| A | 2a00:19a0:3:71:0:d9c6:710a:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET | ||||||
| PTR | ns1.regzone.cz | ||||||
| A | 217.198.113.10🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET | ||||||
| PTR | ns1.regzone.cz | ||||||
| NS | ns1.regzone.de | ||||||
| A | 2600:3c02::f03c:91ff:fedb:a6e7🇺🇸 AKAMAI-LINODE-AP2600:3c02::/32 Akamai Technologies | ||||||
| PTR | ns1.regzone.de | ||||||
| A | 23.92.29.43🇺🇸 AKAMAI-LINODE-AP23.92.28.0/22 Akamai Technologies | ||||||
| PTR | ns1.regzone.de | ||||||
| NS | ns1.regzone.info | ||||||
| A | 2001:1528:147::10🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | ns1.regzone.info | ||||||
| A | 81.0.233.10🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT | ||||||
| PTR | ns1.regzone.info | ||||||
| SOA | ns1.regzone.czadministrator@czechia.cz 2026-06-20 #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=1782236837 | ||||||
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DNS History
6 records (4 active, 2 former)
●NSns1.regzone.cz2015-07-02 → 2026-06-23 · 2 obs
● 2026-06-23 17:59:08
●NSns1.regzone.de2015-07-02 → 2026-06-23 · 2 obs
● 2026-06-23 17:59:08
●NSns1.regzone.info2015-07-02 → 2026-06-23 · 2 obs
● 2026-06-23 17:59:08
○A92.240.182.882015-11-09 → 2016-04-29 · 5 obs
● 2015-11-09 09:18:22
● 2016-04-29 16:52:18
○ 2017-02-05 20:47:30
○ 2026-06-23 17:59:08
●A92.240.183.1932017-02-05 → 2026-06-23 · 3 obs
● 2017-02-05 20:47:30
● 2026-06-23 17:59:08
○A92.240.183.672015-07-02 → 2015-07-02 · 3 obs
○ 2015-11-09 09:18:22
○ 2026-06-23 17:59:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| devtools.cz | ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info | 2 records |
✅ Authoritative Response
Server:217.198.113.10
NS records: ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2890ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 92.240.183.193 |
| NS | 3 | ns1.regzone.cz, ns1.regzone.de... |
| SOA | 1 | ns1.regzone.cz administrator.czechia.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)
Analysis
IP Addresses
devtools.cz resolves to just one IP address, 92.240.183.193.
marekeichler.net, 92-240-183-193.client.rionet.cz and marekeichler.cz are examples of other host names that share IP numbers with devtools.cz.
Name Servers
devtools.cz is delegated to three name servers: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.
devtools.cz partially shares its NS delegation with several other domains, including idea-nabytek.cz, advantage-cars.cz, nahory.cz and two others.
ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info each resolve to two IP addresses: ns1.regzone.cz resolves to 217.198.113.10 and 2a00:19a0:3:71:0:d9c6:710a:1; ns1.regzone.de resolves to 23.92.29.43 and 2600:3c02::f03c:91ff:fedb:a6e7; ns1.regzone.info resolves to 81.0.233.10 and 2001:1528:147::10.