codewars.dev - robtex.com
codewars.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:d863🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:330d🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.51.13Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.216.99🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ruben.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c47🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ruben.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c347🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ruben.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2347🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ruben.ns.cloudflare.com | ||||||
| A | 108.162.195.71🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ruben.ns.cloudflare.com | ||||||
| A | 162.159.44.71Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ruben.ns.cloudflare.com | ||||||
| A | 172.64.35.71🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ruben.ns.cloudflare.com | ||||||
| NS | sunny.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26a6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sunny.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2a6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sunny.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22a6🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sunny.ns.cloudflare.com | ||||||
| A | 108.162.194.166🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.38.166Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.34.166🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| TXT | _4q2xx6o6f57x6nvpzprmfzbi8gpvf31 | ||||||
| TXT | _z1v5m0oe77mft4ukk8zucrcnupyf3bc | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.51.13, 172.67.216.99 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:d863, 2606:4700:3033::6815:330d | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=96, name=cloudflare-ech.com | ||||||
| SOA | ruben.ns.cloudflare.comdns@cloudflare.com serial=2416106037 | ||||||
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSruben.ns.cloudflare.com2026-09-28 → 2026-10-09 · 2 obs
● 2026-10-09 02:09:58
●NSsunny.ns.cloudflare.com2026-09-28 → 2026-10-09 · 2 obs
● 2026-10-09 02:09:58
●A104.21.51.132026-09-28 → 2026-10-09 · 2 obs
● 2026-10-09 02:09:58
●A172.67.216.992026-09-28 → 2026-10-09 · 2 obs
● 2026-10-09 02:09:58
●A2606:4700:3032::ac43:d8632026-09-28 → 2026-10-09 · 2 obs
● 2026-10-09 02:09:58
●A2606:4700:3033::6815:330d2026-09-28 → 2026-10-09 · 2 obs
● 2026-10-09 02:09:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com... | - |
| codewars.dev | ruben.ns.cloudflare.com, sunny.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.166
NS records: ruben.ns.cloudflare.com, sunny.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for codewars.dev (unsigned zone)
⏱️ Timing
Total: 879ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.51.13, 172.67.216.99 |
| AAAA | 2 | 2606:4700:3032::ac43:d863, 2606:4700:3033::6815:330d |
| NS | 2 | ruben.ns.cloudflare.com, sunny.ns.cloudflare.com |
| TXT | 2 | _4q2xx6o6f57x6nvpzprmfzbi8gpvf31, _z1v5m0oe77mft4ukk8zucrcnupyf3bc |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ruben.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
codewars.dev points to the four IP addresses 104.21.51.13, 172.67.216.99, 2606:4700:3032::ac43:d863 and 2606:4700:3033::6815:330d.
foranled.com, andreakrueger.co, pgst12-26-11-14.declanes.ru and two other host names share IP numbers with codewars.dev.
Name Servers
Two name servers handle the delegation for codewars.dev: ruben.ns.cloudflare.com and sunny.ns.cloudflare.com.
codewars.dev uses the same name servers as several other domains — among them mr-hsiang1105.workers.dev, movixtv-2sa.pages.dev, kmin01052.workers.dev and two more.
The name servers of codewars.dev overlap at least partially with those of other domains — among them mac-ware.de, 99ed7ekd9s.workers.dev, luxuryvalue5069623.pages.dev and two more.
The name servers roxy.ns.cloudflare.com, mona.ns.cloudflare.com and kurt.ns.cloudflare.com are commonly seen alongside these name servers.
Hostnames that resolve to 6 IP addresses:
ruben.ns.cloudflare.com resolves to 108.162.195.71, 162.159.44.71 and 172.64.35.71 among others, with 3 other IP addresses in total.
sunny.ns.cloudflare.com resolves to 108.162.194.166, 162.159.38.166 and 172.64.34.166 among others, with 3 other IP addresses in total.