ctzw.cc - robtex.com
ctzw.cc
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:d70a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:2b03🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.43.3Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.215.10🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ignacio.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c52🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ignacio.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c352🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ignacio.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2352🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ignacio.ns.cloudflare.com | ||||||
| A | 108.162.195.82🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ignacio.ns.cloudflare.com | ||||||
| A | 162.159.44.82Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ignacio.ns.cloudflare.com | ||||||
| A | 172.64.35.82🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ignacio.ns.cloudflare.com | ||||||
| NS | kelly.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:265b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kelly.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c25b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kelly.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:225b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kelly.ns.cloudflare.com | ||||||
| A | 108.162.194.91🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kelly.ns.cloudflare.com | ||||||
| A | 162.159.38.91Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kelly.ns.cloudflare.com | ||||||
| A | 172.64.34.91🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kelly.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.43.3, 172.67.215.10 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:d70a, 2606:4700:3037::6815:2b03 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=183, name=cloudflare-ech.com | ||||||
| SOA | ignacio.ns.cloudflare.comdns@cloudflare.com serial=2401953769 | ||||||
cc
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ac1.nstld.com ⭐ | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1778532922 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSignacio.ns.cloudflare.com2026-04-27 → 2026-05-11 · 2 obs
● 2026-05-11 21:06:20
●NSkelly.ns.cloudflare.com2026-04-27 → 2026-05-11 · 2 obs
● 2026-05-11 21:06:20
●A104.21.43.32026-04-27 → 2026-05-11 · 2 obs
● 2026-05-11 21:06:20
●A172.67.215.102026-04-27 → 2026-05-11 · 2 obs
● 2026-05-11 21:06:20
●A2606:4700:3032::ac43:d70a2026-04-27 → 2026-05-11 · 2 obs
● 2026-05-11 21:06:20
●A2606:4700:3037::6815:2b032026-04-27 → 2026-05-11 · 2 obs
● 2026-05-11 21:06:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac3.nstld.com, ac1.nstld.com, ac4.nstld.com, ac2.nstld.com | 8 records |
| ctzw.cc | ignacio.ns.cloudflare.com, kelly.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.82
NS records: ignacio.ns.cloudflare.com, kelly.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctzw.cc (unsigned zone)
⏱️ Timing
Total: 374ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.43.3, 172.67.215.10 |
| AAAA | 2 | 2606:4700:3037::6815:2b03, 2606:4700:3032::ac43:d70a |
| NS | 2 | ignacio.ns.cloudflare.com, kelly.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ignacio.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ac3.nstld.com, ac3.nstld.com, ac1.nstld.com...)
Analysis
IP Addresses
Four IP numbers are pointed to by ctzw.cc: 2606:4700:3032::ac43:d70a, 2606:4700:3037::6815:2b03, 104.21.43.3 and 172.67.215.10.
other host names including howdenbrasil.com.br, rabinowitzrabinowitz.clmcdn.com, dampfbesentest.de, fengii.com and horizonchainfusion.sbs share IP numbers with ctzw.cc.
Name Servers
ctzw.cc is delegated to two name servers ignacio.ns.cloudflare.com and kelly.ns.cloudflare.com.
ctzw.cc shares the same name server setup as other domains, for instance xxzw.cc, swxsw.com, ccjj.org, netxiaoshuo.net and biqushuo.org.
ctzw.cc at least partially shares name servers with other domains, for instance tk868.com, 72sb.net, wase.photo, 66686n.com and thirchain.org.
These name servers are commonly used with aleena.ns.cloudflare.com, keaton.ns.cloudflare.com and jasper.ns.cloudflare.com.
Host names with six IP numbers:
Host name ignacio.ns.cloudflare.com points to: 2606:4700:58::a29f:2c52, 2803:f800:50::6ca2:c352, 2a06:98c1:50::ac40:2352, 108.162.195.82, 162.159.44.82 and 172.64.35.82.
Host name kelly.ns.cloudflare.com points to: 2606:4700:50::a29f:265b, 2803:f800:50::6ca2:c25b, 2a06:98c1:50::ac40:225b, 108.162.194.91, 162.159.38.91 and 172.64.34.91.