duoidxc.cn - robtex.com
duoidxc.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:83b2🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:abd🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.10.189Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.131.178🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | carmelo.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c81🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carmelo.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c381🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | carmelo.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2381🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | carmelo.ns.cloudflare.com | ||||||
| A | 108.162.195.129🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carmelo.ns.cloudflare.com | ||||||
| A | 162.159.44.129Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carmelo.ns.cloudflare.com | ||||||
| A | 172.64.35.129🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carmelo.ns.cloudflare.com | ||||||
| NS | sofia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3adf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0df🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20df🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 108.162.192.223🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 172.64.32.223🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 173.245.58.223🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.10.189, 172.67.131.178 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:83b2, 2606:4700:3037::6815:abd | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com | ||||||
| SOA | carmelo.ns.cloudflare.comdns@cloudflare.com serial=2400359210 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034734732 | ||||||
Same first word
duoidxc.cn |
DNS History
6 records (6 active, 0 former)
●NScarmelo.ns.cloudflare.com2026-04-01 → 2026-04-30 · 2 obs
● 2026-04-30 18:47:30
●NSsofia.ns.cloudflare.com2026-04-01 → 2026-04-30 · 2 obs
● 2026-04-30 18:47:30
●A104.21.10.1892026-04-01 → 2026-04-30 · 2 obs
● 2026-04-30 18:47:30
●A172.67.131.1782026-04-01 → 2026-04-30 · 2 obs
● 2026-04-30 18:47:30
●A2606:4700:3032::ac43:83b22026-04-01 → 2026-04-30 · 2 obs
● 2026-04-30 18:47:30
●A2606:4700:3037::6815:abd2026-04-01 → 2026-04-30 · 2 obs
● 2026-04-30 18:47:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, c.dns.cn, e.dns.cn, d.dns.cn... | - |
| duoidxc.cn | sofia.ns.cloudflare.com, carmelo.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.129
NS records: sofia.ns.cloudflare.com, carmelo.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duoidxc.cn (unsigned zone)
⏱️ Timing
Total: 1042ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.10.189, 172.67.131.178 |
| AAAA | 2 | 2606:4700:3037::6815:abd, 2606:4700:3032::ac43:83b2 |
| NS | 2 | carmelo.ns.cloudflare.com, sofia.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | carmelo.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
duoidxc.cn maps to four IP numbers: 2606:4700:3032::ac43:83b2, 2606:4700:3037::6815:abd, 104.21.10.189 and 172.67.131.178.
other host names include box.playsmartguitar.com, jumoxikoriaindustries.click, gov.cn.3k3.chinazn.com, kidswise.com.au and chinazn.com; they share IP numbers with duoidxc.cn.
Name Servers
Two name servers carmelo.ns.cloudflare.com and sofia.ns.cloudflare.com handle the delegation for duoidxc.cn.
duoidxc.cn shares the same name server setup as other domains, for instance musorgsky.ru, logocon.ru, modelldepo.ru, tretyakov.su and soldiers-neva.com.
duoidxc.cn at least partially shares name servers with other domains, for instance reallifecamreplay.com, jlmcgs.com, presenttree.jp, pixmaia.com and zjevu.com.
These name servers are commonly used with noah.ns.cloudflare.com and wren.ns.cloudflare.com.
Six IP addresses per host:
carmelo.ns.cloudflare.com points to 2606:4700:58::a29f:2c81, 2803:f800:50::6ca2:c381, 2a06:98c1:50::ac40:2381, 108.162.195.129, 162.159.44.129 and 172.64.35.129; sofia.ns.cloudflare.com points to 2606:4700:50::adf5:3adf, 2803:f800:50::6ca2:c0df, 2a06:98c1:50::ac40:20df, 108.162.192.223, 172.64.32.223 and 173.245.58.223