dataengineers.cz - dns.ninja
dataengineers.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:8d08🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:36b7🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.54.183Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.141.8🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | decker.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c9b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | decker.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c39b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | decker.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:239b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | decker.ns.cloudflare.com | ||||||
| A | 108.162.195.155🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | decker.ns.cloudflare.com | ||||||
| A | 162.159.44.155Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | decker.ns.cloudflare.com | ||||||
| A | 172.64.35.155🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | decker.ns.cloudflare.com | ||||||
| NS | kami.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ab1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kami.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0b1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kami.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20b1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kami.ns.cloudflare.com | ||||||
| A | 108.162.192.177🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kami.ns.cloudflare.com | ||||||
| A | 172.64.32.177🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kami.ns.cloudflare.com | ||||||
| A | 173.245.58.177🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kami.ns.cloudflare.com | ||||||
| TXT | v=spf1 -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.54.183, 172.67.141.8 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:8d08, 2606:4700:3033::6815:36b7 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com | ||||||
| SOA | decker.ns.cloudflare.comdns@cloudflare.com serial=2410835088 | ||||||
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=1786227440 | ||||||
Same first word
dataengineers.nl |
dataengineers.io |
dataengineers.in |
dataengineers.cz |
DNS History
6 records (6 active, 0 former)
●NSdecker.ns.cloudflare.com2026-04-16 → 2026-08-08 · 2 obs
● 2026-08-08 23:04:12
●NSkami.ns.cloudflare.com2026-04-16 → 2026-08-08 · 2 obs
● 2026-08-08 23:04:12
●A104.21.54.1832026-04-16 → 2026-08-08 · 2 obs
● 2026-08-08 23:04:12
●A172.67.141.82026-04-16 → 2026-08-08 · 2 obs
● 2026-08-08 23:04:12
●A2606:4700:3030::ac43:8d082026-04-16 → 2026-08-08 · 2 obs
● 2026-08-08 23:04:12
●A2606:4700:3033::6815:36b72026-04-16 → 2026-08-08 · 2 obs
● 2026-08-08 23:04:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| dataengineers.cz | kami.ns.cloudflare.com, decker.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.155
NS records: kami.ns.cloudflare.com, decker.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dataengineers.cz (unsigned zone)
⏱️ Timing
Total: 1589ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.54.183, 172.67.141.8 |
| AAAA | 2 | 2606:4700:3030::ac43:8d08, 2606:4700:3033::6815:36b7 |
| NS | 2 | decker.ns.cloudflare.com, kami.ns.cloudflare.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | decker.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
dataengineers.cz resolves to four IP addresses: 104.21.54.183, 172.67.141.8, 2606:4700:3030::ac43:8d08 and 2606:4700:3033::6815:36b7.
Additional host names — calfederal.com, mobilitaisykla.lt, 02d190863d1c.maha-ara.org and two others — share IP numbers with dataengineers.cz.
Name Servers
DNS delegation for dataengineers.cz points to two name servers: decker.ns.cloudflare.com and kami.ns.cloudflare.com.
dataengineers.cz shares its name server setup with other domains, including damails.us, whoishiring.si, grandislibrary.com and two others.
dataengineers.cz partially shares its NS delegation with several other domains, including betokapp.cc, kubycsystem.com, liv.ma and two others.
These name servers often co-occur with the name servers evan.ns.cloudflare.com.
Host names with 6 IP numbers:
decker.ns.cloudflare.com has IP addresses 108.162.195.155, 162.159.44.155 and 172.64.35.155, plus 3 other.
kami.ns.cloudflare.com has IP addresses 108.162.192.177, 172.64.32.177 and 173.245.58.177, plus 3 other.