topdoor.cn - robtex.com
topdoor.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::6815:1fbf🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:b399🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.31.191Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.179.153🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | andy.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b65🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | andy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c165🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | andy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2165🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | andy.ns.cloudflare.com | ||||||
| A | 108.162.193.101🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | andy.ns.cloudflare.com | ||||||
| A | 172.64.33.101🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | andy.ns.cloudflare.com | ||||||
| A | 173.245.59.101🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | andy.ns.cloudflare.com | ||||||
| NS | candy.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a4f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | candy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c04f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | candy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:204f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | candy.ns.cloudflare.com | ||||||
| A | 108.162.192.79🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | candy.ns.cloudflare.com | ||||||
| A | 172.64.32.79🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | candy.ns.cloudflare.com | ||||||
| A | 173.245.58.79🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | candy.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.31.191, 172.67.179.153 | ||||||
| IPv6 hints | 2606:4700:3035::6815:1fbf, 2606:4700:3037::ac43:b399 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=90, name=cloudflare-ech.com | ||||||
| SOA | andy.ns.cloudflare.comdns@cloudflare.com serial=2401487374 | ||||||
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=2034711925 | ||||||
Same first word
topdoor.ee |
topdoor.ru |
topdoor.eu |
topdoor.co.il |
topdoor.com |
topdoor.it |
topdoor.net |
topdoor.cn |
topdoor.com.cn |
topdoor.de |
Similar names
DNS History
6 records (6 active, 0 former)
●NSandy.ns.cloudflare.com2026-02-20 → 2026-04-25 · 2 obs
● 2026-04-25 19:19:50
●NScandy.ns.cloudflare.com2026-02-20 → 2026-04-25 · 2 obs
● 2026-04-25 19:19:50
●A104.21.31.1912026-02-20 → 2026-04-25 · 2 obs
● 2026-04-25 19:19:50
●A172.67.179.1532026-02-20 → 2026-04-25 · 2 obs
● 2026-04-25 19:19:50
●A2606:4700:3035::6815:1fbf2026-02-20 → 2026-04-25 · 2 obs
● 2026-04-25 19:19:50
●A2606:4700:3037::ac43:b3992026-02-20 → 2026-04-25 · 2 obs
● 2026-04-25 19:19:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| topdoor.cn | andy.ns.cloudflare.com, candy.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.79
NS records: andy.ns.cloudflare.com, candy.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for topdoor.cn (unsigned zone)
⏱️ Timing
Total: 801ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.31.191, 172.67.179.153 |
| AAAA | 2 | 2606:4700:3037::ac43:b399, 2606:4700:3035::6815:1fbf |
| NS | 2 | andy.ns.cloudflare.com, candy.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | andy.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
topdoor.cn maps to four IP numbers: 2606:4700:3035::6815:1fbf, 2606:4700:3037::ac43:b399, 104.21.31.191 and 172.67.179.153.
Other host names, for instance extranet.mace.ie.cdn.cloudflare.net, kuwinok38.com, uhigiye.top, www.lindvallskaffe.se and kodait.com share IP numbers with topdoor.cn.
Name Servers
Two name servers andy.ns.cloudflare.com and candy.ns.cloudflare.com handle delegation for topdoor.cn.
topdoor.cn uses the same name server setup as other domains, for example xingliangds.com, sxdiy.cn, jlxyhk.com, norenk.com and clarkesmusiccompany.com.
topdoor.cn partially shares name servers with other domains; examples include eleaut.com.br, 9file.net, estelle.cz, kopernik.net and ik-bildirim.com.
These name servers are commonly used with henry.ns.cloudflare.com, zariyah.ns.cloudflare.com and julio.ns.cloudflare.com.
Host names with six IP numbers: andy.ns.cloudflare.com points to: 2606:4700:58::adf5:3b65, 2803:f800:50::6ca2:c165, 2a06:98c1:50::ac40:2165, 108.162.193.101, 172.64.33.101 and 173.245.59.101; candy.ns.cloudflare.com points to: 2606:4700:50::adf5:3a4f, 2803:f800:50::6ca2:c04f, 2a06:98c1:50::ac40:204f, 108.162.192.79, 172.64.32.79 and 173.245.58.79.