21wst.cn - robtex.com
21wst.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:1b65🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:8e3f🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.27.101Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.142.63🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | achiel.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c7b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | achiel.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c37b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | achiel.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:237b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | achiel.ns.cloudflare.com | ||||||
| A | 108.162.195.123🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | achiel.ns.cloudflare.com | ||||||
| A | 162.159.44.123Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | achiel.ns.cloudflare.com | ||||||
| A | 172.64.35.123🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | achiel.ns.cloudflare.com | ||||||
| NS | hadlee.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2643🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hadlee.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c243🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | hadlee.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2243🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | hadlee.ns.cloudflare.com | ||||||
| A | 108.162.194.67🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hadlee.ns.cloudflare.com | ||||||
| A | 162.159.38.67Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hadlee.ns.cloudflare.com | ||||||
| A | 172.64.34.67🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hadlee.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.27.101, 172.67.142.63 | ||||||
| IPv6 hints | 2606:4700:3033::6815:1b65, 2606:4700:3034::ac43:8e3f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com | ||||||
| SOA | achiel.ns.cloudflare.comdns@cloudflare.com serial=2402948223 | ||||||
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=2034778999 | ||||||
Same first word
21wst.cn |
Similar names
DNS History
6 records (6 active, 0 former)
●NSachiel.ns.cloudflare.com2026-04-28 → 2026-05-11 · 2 obs
● 2026-05-11 14:34:12
●NShadlee.ns.cloudflare.com2026-04-28 → 2026-05-11 · 2 obs
● 2026-05-11 14:34:12
●A104.21.27.1012026-04-28 → 2026-05-11 · 2 obs
● 2026-05-11 14:34:12
●A172.67.142.632026-04-28 → 2026-05-11 · 2 obs
● 2026-05-11 14:34:12
●A2606:4700:3033::6815:1b652026-04-28 → 2026-05-11 · 2 obs
● 2026-05-11 14:34:12
●A2606:4700:3034::ac43:8e3f2026-04-28 → 2026-05-11 · 2 obs
● 2026-05-11 14:34:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn... | - |
| 21wst.cn | achiel.ns.cloudflare.com, hadlee.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.67
NS records: achiel.ns.cloudflare.com, hadlee.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21wst.cn (unsigned zone)
⏱️ Timing
Total: 974ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.142.63, 104.21.27.101 |
| AAAA | 2 | 2606:4700:3033::6815:1b65, 2606:4700:3034::ac43:8e3f |
| NS | 2 | achiel.ns.cloudflare.com, hadlee.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | achiel.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
21wst.cn points to four IP numbers: 2606:4700:3033::6815:1b65, 2606:4700:3034::ac43:8e3f, 104.21.27.101 and 172.67.142.63.
For instance, other host names coronatax.co.il, turksmp.net, nirawit.me, tabelleepoque.com and www.svstfplolhlll.website share IP numbers with 21wst.cn.
Name Servers
21wst.cn is delegated to two name servers: achiel.ns.cloudflare.com and hadlee.ns.cloudflare.com.
21wst.cn uses the same name server setup as other domains such as hnkaishiman.com, 5a2br.cn, amghskk.cn, tvcx.cn and beijingst.cn.
21wst.cn shares name servers with other domains at least partially, for example nserver.cloud, timetracker360.com, mramor-komplekt.ru, casanaserra.net and calnetsolutions.co.uk.
These name servers are commonly used with shane.ns.cloudflare.com, clara.ns.cloudflare.com and grannbo.ns.cloudflare.com.
Host names with six IP numbers: host name achiel.ns.cloudflare.com points to: 2606:4700:58::a29f:2c7b, 2803:f800:50::6ca2:c37b, 2a06:98c1:50::ac40:237b, 108.162.195.123, 162.159.44.123 and 172.64.35.123; host name hadlee.ns.cloudflare.com points to: 2606:4700:50::a29f:2643, 2803:f800:50::6ca2:c243, 2a06:98c1:50::ac40:2243, 108.162.194.67, 162.159.38.67 and 172.64.34.67.