nitro21.co - robtex.com
nitro21.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.21.7.237Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.156.138🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | athena.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a48🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c048🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2048🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| A | 108.162.192.72🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| A | 172.64.32.72🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| A | 173.245.58.72🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| NS | henrik.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c69🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | henrik.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c369🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | henrik.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2369🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | henrik.ns.cloudflare.com | ||||||
| A | 108.162.195.105🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | henrik.ns.cloudflare.com | ||||||
| A | 162.159.44.105Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | henrik.ns.cloudflare.com | ||||||
| A | 172.64.35.105🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | henrik.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.7.237, 172.67.156.138 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com | ||||||
| SOA | athena.ns.cloudflare.comdns@cloudflare.com serial=2411601459 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759734004 | ||||||
Same first word
nitro21.co |
DNS History
4 records (4 active, 0 former)
●NSathena.ns.cloudflare.com2026-08-03 → 2026-08-15 · 2 obs
● 2026-08-15 19:44:06
●NShenrik.ns.cloudflare.com2026-08-03 → 2026-08-15 · 2 obs
● 2026-08-15 19:44:06
●A104.21.7.2372026-08-03 → 2026-08-15 · 2 obs
● 2026-08-15 19:44:06
●A172.67.156.1382026-08-03 → 2026-08-15 · 2 obs
● 2026-08-15 19:44:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| nitro21.co | athena.ns.cloudflare.com, henrik.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.105
NS records: athena.ns.cloudflare.com, henrik.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nitro21.co (unsigned zone)
⏱️ Timing
Total: 304ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.156.138, 104.21.7.237 |
| NS | 2 | athena.ns.cloudflare.com, henrik.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | athena.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
nitro21.co directs to two IP numbers, 104.21.7.237 and 172.67.156.138
Two other host names, along with livewin33.com, olerynthaqo.com and mail.avm-scalemodels.com, also share IP numbers with nitro21.co.
Name Servers
nitro21.co is delegated to two name servers: athena.ns.cloudflare.com and henrik.ns.cloudflare.com.
nitro21.co shares its NS records with other domains, for example vibromatic.net, legianocas1no.fr, karlik.cc and two others.
nitro21.co has at least partial name server overlap with other domains, such as h0x3m6k.com, vrymnex-app.com, fs-dpm.com and two others.
It is common to find these name servers paired with the name servers rocco.ns.cloudflare.com.
DNS names with 6 IP addresses:
athena.ns.cloudflare.com resolves to 108.162.192.72, 172.64.32.72, 173.245.58.72 and 3 other IP addresses.
henrik.ns.cloudflare.com resolves to 108.162.195.105, 162.159.44.105, 172.64.35.105 and 3 other IP addresses.