problem-solving.cz - dns.ninja
problem-solving.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a00:19a0:3:74:0:d9c6:74bc:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET | ||||||
| PTR | miniweb2vps.zarea.net | ||||||
| A | 217.198.116.188🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET | ||||||
| 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 2026-07-31 #4 | ||||||
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=1786128443 | ||||||
Same first word
problem-solving.de |
problem-solving.ch |
problem-solving.info |
problem-solving.cz |
problem-solving.ru |
problem-solving.be |
problem-solving.net |
problem-solving.com |
problem-solving.org |
problem-solving.fr |
DNS History
5 records (5 active, 0 former)
●NSns1.regzone.cz2015-06-17 → 2026-08-07 · 2 obs
● 2026-08-07 20:01:00
●NSns1.regzone.de2015-06-17 → 2026-08-07 · 2 obs
● 2026-08-07 20:01:00
●NSns1.regzone.info2015-06-17 → 2026-08-07 · 2 obs
● 2026-08-07 20:01:00
●A217.198.116.1882015-06-17 → 2026-08-07 · 2 obs
● 2026-08-07 20:01:00
●A2a00:19a0:3:74:0:d9c6:74bc:12026-03-31 → 2026-08-07 · 3 obs
● 2026-03-31 05:29:40
● 2026-08-07 20:01:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | 8 records |
| problem-solving.cz | ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info | 2 records |
✅ Authoritative Response
Server:81.0.233.10
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: 1383ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.198.116.188 |
| AAAA | 1 | 2a00:19a0:3:74:0:d9c6:74bc:1 |
| NS | 3 | ns1.regzone.cz, ns1.regzone.de... |
| SOA | 1 | ns1.regzone.cz administrator.czechia.cz |
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz...)
Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)
Analysis
IP Addresses
problem-solving.cz directs to two IP numbers, 217.198.116.188 and 2a00:19a0:3:74:0:d9c6:74bc:1
abion.cz, cmol.eu, ifortuna.net and two other host names share IP numbers with problem-solving.cz.
Name Servers
Three name servers are authoritative for problem-solving.cz: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.
problem-solving.cz shares at least some of its name servers with other domains, including mp3-zdarma-ke-stazeni.info, sdruzenirozhodcu.cz, lz.cz and two others.
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. All three hostnames point to two IP numbers each.