c643.cn - robtex.com
c643.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:3276🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::ac43:ce16🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.50.118Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.206.22🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | deborah.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:266f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deborah.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c26f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | deborah.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:226f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | deborah.ns.cloudflare.com | ||||||
| A | 108.162.194.111🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deborah.ns.cloudflare.com | ||||||
| A | 162.159.38.111Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deborah.ns.cloudflare.com | ||||||
| A | 172.64.34.111🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deborah.ns.cloudflare.com | ||||||
| NS | kurt.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bc1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1c1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21c1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 108.162.193.193🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 172.64.33.193🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| A | 173.245.59.193🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kurt.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.50.118, 172.67.206.22 | ||||||
| IPv6 hints | 2606:4700:3031::6815:3276, 2606:4700:3032::ac43:ce16 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=147, name=cloudflare-ech.com | ||||||
| SOA | deborah.ns.cloudflare.comdns@cloudflare.com serial=2402801389 | ||||||
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=2034786023 | ||||||
Same first word
c643.cn |
Similar names
DNS History
6 records (6 active, 0 former)
●NSdeborah.ns.cloudflare.com2026-04-13 → 2026-05-13 · 2 obs
● 2026-05-13 06:54:52
●NSkurt.ns.cloudflare.com2026-04-13 → 2026-05-13 · 2 obs
● 2026-05-13 06:54:52
●A104.21.50.1182026-04-13 → 2026-05-13 · 2 obs
● 2026-05-13 06:54:52
●A172.67.206.222026-04-13 → 2026-05-13 · 2 obs
● 2026-05-13 06:54:52
●A2606:4700:3031::6815:32762026-04-13 → 2026-05-13 · 2 obs
● 2026-05-13 06:54:52
●A2606:4700:3032::ac43:ce162026-04-13 → 2026-05-13 · 2 obs
● 2026-05-13 06:54:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.25.1
NS records: a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3990ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
IP Addresses
c643.cn resolves to four IP numbers: 2606:4700:3031::6815:3276, 2606:4700:3032::ac43:ce16, 104.21.50.118 and 172.67.206.22.
Other host names such as torn-(0x706f726e).com, att-distribution.com, mocboxing.com, rochesterproroofing.com and tritontestbalance.com share IPs with c643.cn.
Name Servers
c643.cn is delegated to two name servers: deborah.ns.cloudflare.com and kurt.ns.cloudflare.com.
c643.cn shares the same name server setup as sounan.cn, gallaxia.com, starbuckstoken.com, w095.cn and 60493.cn.
c643.cn at least partially shares name servers with other domains, for instance digitaix.de, hub-boosteth.com, eastgateengineering.com, nalwashm.com and luislourenco.pt.
These name servers are commonly used together with miki.ns.cloudflare.com, sullivan.ns.cloudflare.com and benedict.ns.cloudflare.com.
Host names with six IP numbers:
deborah.ns.cloudflare.com points to 2606:4700:50::a29f:266f, 2803:f800:50::6ca2:c26f, 2a06:98c1:50::ac40:226f, 108.162.194.111, 162.159.38.111 and 172.64.34.111.
kurt.ns.cloudflare.com points to 2606:4700:58::adf5:3bc1, 2803:f800:50::6ca2:c1c1, 2a06:98c1:50::ac40:21c1, 108.162.193.193, 172.64.33.193 and 173.245.59.193.