fco20.com.cn - robtex.com
fco20.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:a66c🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:ba3🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.11.163Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.166.108🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | rosalie.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2639🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rosalie.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c239🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rosalie.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2239🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rosalie.ns.cloudflare.com | ||||||
| A | 108.162.194.57🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rosalie.ns.cloudflare.com | ||||||
| A | 162.159.38.57Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rosalie.ns.cloudflare.com | ||||||
| A | 172.64.34.57🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rosalie.ns.cloudflare.com | ||||||
| NS | sam.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b8d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sam.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c18d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sam.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:218d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sam.ns.cloudflare.com | ||||||
| A | 108.162.193.141🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sam.ns.cloudflare.com | ||||||
| A | 172.64.33.141🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sam.ns.cloudflare.com | ||||||
| A | 173.245.59.141🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sam.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.11.163, 172.67.166.108 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:a66c, 2606:4700:3037::6815:ba3 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=166, name=cloudflare-ech.com | ||||||
| SOA | rosalie.ns.cloudflare.comdns@cloudflare.com serial=2400376075 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030538357 | ||||||
WOT: NOT_SAFE (20/100)
Same first word
fco20.com.cn |
Similar names
DNS History
6 records (6 active, 0 former)
●NSrosalie.ns.cloudflare.com2026-04-08 → 2026-04-28 · 2 obs
● 2026-04-28 04:32:58
●NSsam.ns.cloudflare.com2026-04-08 → 2026-04-28 · 2 obs
● 2026-04-28 04:32:58
●A104.21.11.1632026-04-08 → 2026-04-28 · 2 obs
● 2026-04-28 04:32:58
●A172.67.166.1082026-04-08 → 2026-04-28 · 2 obs
● 2026-04-28 04:32:58
●A2606:4700:3031::ac43:a66c2026-04-08 → 2026-04-28 · 2 obs
● 2026-04-28 04:32:58
●A2606:4700:3037::6815:ba32026-04-08 → 2026-04-28 · 2 obs
● 2026-04-28 04:32:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, a.dns.cn, b.dns.cn, e.dns.cn... | - |
| fco20.com.cn | sam.ns.cloudflare.com, rosalie.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.57
NS records: sam.ns.cloudflare.com, rosalie.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fco20.com.cn (unsigned zone)
⏱️ Timing
Total: 336ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.166.108, 104.21.11.163 |
| AAAA | 2 | 2606:4700:3037::6815:ba3, 2606:4700:3031::ac43:a66c |
| NS | 2 | rosalie.ns.cloudflare.com, sam.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | rosalie.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
Four IP numbers are pointed to by fco20.com.cn: 2606:4700:3031::ac43:a66c, 2606:4700:3037::6815:ba3, 104.21.11.163 and 172.67.166.108.
other host names including gvacenter.com, www.plagiarismdetector.us, twlvbe.com, artistlei.com and www.dhatt.com share IP numbers with fco20.com.cn.
Name Servers
fco20.com.cn is delegated to two name servers rosalie.ns.cloudflare.com and sam.ns.cloudflare.com.
fco20.com.cn shares the same name server setup as other domains, for instance lwl.net.cn, tvbt.com.cn, dgtengfeng.com.cn, bet9.com.cn and relaxx.com.cn.
fco20.com.cn at least partially shares name servers with other domains, for instance halomold.com, yiwenyifen.com, ennismoreeagles.ca, clash.taipei and bet365x.cl.
These name servers are commonly used alongside steven.ns.cloudflare.com and luke.ns.cloudflare.com.
Host names with six IP numbers:
Host name rosalie.ns.cloudflare.com points to: 2606:4700:50::a29f:2639, 2803:f800:50::6ca2:c239, 2a06:98c1:50::ac40:2239, 108.162.194.57, 162.159.38.57 and 172.64.34.57.
Host name sam.ns.cloudflare.com points to: 2606:4700:58::adf5:3b8d, 2803:f800:50::6ca2:c18d, 2a06:98c1:50::ac40:218d, 108.162.193.141, 172.64.33.141 and 173.245.59.141.