www.block21.cn - robtex.com
www.block21.cn
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3030::6815:695πΊπΈ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:86e7πΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.6.149Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.134.231πΊπΈ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.6.149, 172.67.134.231 | ||||||
| IPv6 hints | 2606:4700:3030::6815:695, 2606:4700:3035::ac43:86e7 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=15, name=cloudflare-ech.com | ||||||
block21.cn
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3030::6815:695πΊπΈ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:86e7πΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.6.149Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.134.231πΊπΈ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | ajay.ns.cloudflare.com β | ||||||
| NS | olivia.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.6.149, 172.67.134.231 | ||||||
| IPv6 hints | 2606:4700:3030::6815:695, 2606:4700:3035::ac43:86e7 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=15, name=cloudflare-ech.com | ||||||
| SOA | ajay.ns.cloudflare.comdns@cloudflare.com serial=2399055894 | ||||||
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
βA104.21.6.1492026-03-28 β 2026-04-02 Β· 2 obs
β 2026-03-28 06:29:32
β 2026-04-02 13:34:22
β 2026-04-02 13:34:22
βA107.148.187.1402026-03-28 β 2026-04-02 Β· 2 obs
β 2026-03-28 06:29:32
β 2026-04-02 13:34:22
β 2026-04-02 13:34:22
βA172.67.134.2312026-03-28 β 2026-04-02 Β· 2 obs
β 2026-03-28 06:29:32
β 2026-04-02 13:34:22
β 2026-04-02 13:34:22
βA2606:4700:3030::6815:6952026-03-28 β 2026-04-02 Β· 2 obs
β 2026-03-28 06:29:32
β 2026-04-02 13:34:22
β 2026-04-02 13:34:22
βA2606:4700:3035::ac43:86e72026-03-28 β 2026-04-02 Β· 2 obs
β 2026-03-28 06:29:32
β 2026-04-02 13:34:22
β 2026-04-02 13:34:22
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, c.dns.cn, e.dns.cn, d.dns.cn... | - |
| block21.cn | ajay.ns.cloudflare.com, olivia.ns.cloudflare.com | - |
β Authoritative Response
Server:162.159.38.221
NS records: ajay.ns.cloudflare.com, olivia.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for block21.cn (unsigned zone)
β±οΈ Timing
Total: 1055ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.134.231, 104.21.6.149 |
| AAAA | 2 | 2606:4700:3030::6815:695, 2606:4700:3035::ac43:86e7 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
www.block21.cn points to four IP numbers: 2606:4700:3030::6815:695, 2606:4700:3035::ac43:86e7, 104.21.6.149 and 172.67.134.231.
Other host names including comicstormx.com, rumahbokepvideo.com, bg678wqf.cc, worldshemales.com and cpcontacts.ocsearchconsulting.com share IP numbers with www.block21.cn.