ct-dev.cz - dns.ninja
ct-dev.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=1783250239 | ||||||
Same first word
Similar names
DNS History
10 records (7 active, 3 former)
●NSns-1069.awsdns-05.org2026-07-03 → 2026-07-05 · 2 obs
● 2026-07-05 12:30:38
●NSns-1781.awsdns-30.co.uk2026-07-03 → 2026-07-05 · 2 obs
● 2026-07-05 12:30:38
●NSns-290.awsdns-36.com2026-07-03 → 2026-07-05 · 2 obs
● 2026-07-05 12:30:38
●NSns-977.awsdns-58.net2026-07-03 → 2026-07-05 · 2 obs
● 2026-07-05 12:30:38
○A18.200.117.682026-07-03 → 2026-07-05 · 2 obs
○ 2026-07-05 12:30:38
●A34.252.19.1772026-07-03 → 2026-07-05 · 2 obs
● 2026-07-05 12:30:38
○A52.16.201.2252026-07-03 → 2026-07-05 · 2 obs
○ 2026-07-05 12:30:38
●A52.215.242.1792026-07-03 → 2026-07-05 · 2 obs
● 2026-07-05 12:30:38
○A54.155.78.862026-07-03 → 2026-07-05 · 2 obs
○ 2026-07-05 12:30:38
●A54.72.237.1582026-07-03 → 2026-07-05 · 2 obs
● 2026-07-05 12:30:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| ct-dev.cz | ns-290.awsdns-36.com, ns-977.awsdns-58.net, ns-1069.awsdns-05.org, ns-1781.awsdns-30.co.uk | - |
✅ Authoritative Response
Server:205.251.196.45
NS records: ns-290.awsdns-36.com, ns-977.awsdns-58.net, ns-1069.awsdns-05.org, ns-1781.awsdns-30.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ct-dev.cz (unsigned zone)
⏱️ Timing
Total: 1167ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 34.252.19.177, 52.215.242.179... |
| NS | 4 | ns-1069.awsdns-05.org, ns-1781.awsdns-30.co.uk... |
| TXT | 1 | google-site-verification=p20MnO9hOZA79Wg |
| SOA | 1 | ns-1069.awsdns-05.org awsdns-hostmaster. |
Analysis
IP Addresses
ct-dev.cz maps to three IP numbers — 34.252.19.177, 52.215.242.179 and 54.72.237.158.
Additional host names — including beersport.cz and beersport.com — share IP numbers with ct-dev.cz.
Name Servers
The NS records for ct-dev.cz point to four name servers: ns-290.awsdns-36.com, ns-977.awsdns-58.net, ns-1069.awsdns-05.org and ns-1781.awsdns-30.co.uk.
ct-dev.cz has at least partial name server overlap with other domains, such as crowdin.ee, d3j6sfqosd2fuj.cloudfront.net, lineabody.com and two others.
These name servers tend to appear together with the name servers ns-18.awsdns-02.com, ns-995.awsdns-60.net and ns-2037.awsdns-62.co.uk.
ns-290.awsdns-36.com, ns-977.awsdns-58.net, ns-1069.awsdns-05.org and ns-1781.awsdns-30.co.uk all point to exactly two IP numbers each: ns-290.awsdns-36.com → 205.251.193.34 and 2600:9000:5301:2200::1; ns-977.awsdns-58.net → 205.251.195.209 and 2600:9000:5303:d100::1; ns-1069.awsdns-05.org → 205.251.196.45 and 2600:9000:5304:2d00::1; ns-1781.awsdns-30.co.uk → 205.251.198.245 and 2600:9000:5306:f500::1.