ff.sd.cn - robtex.com
ff.sd.cn
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3035::6815:f54πΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:a1f9πΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.15.84Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.161.249πΊπΈ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | harvey.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::a29f:2c98πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harvey.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c398π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | harvey.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2398πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | harvey.ns.cloudflare.com | ||||||
| A | 108.162.195.152πΊπΈ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harvey.ns.cloudflare.com | ||||||
| A | 162.159.44.152Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harvey.ns.cloudflare.com | ||||||
| A | 172.64.35.152πΊπΈ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harvey.ns.cloudflare.com | ||||||
| NS | melina.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26b8πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | melina.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2b8π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | melina.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22b8πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | melina.ns.cloudflare.com | ||||||
| A | 108.162.194.184πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | melina.ns.cloudflare.com | ||||||
| A | 162.159.38.184Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | melina.ns.cloudflare.com | ||||||
| A | 172.64.34.184πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | melina.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.15.84, 172.67.161.249 | ||||||
| IPv6 hints | 2606:4700:3035::6815:f54, 2606:4700:3035::ac43:a1f9 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=112, name=cloudflare-ech.com | ||||||
| SOA | harvey.ns.cloudflare.comdns@cloudflare.com serial=2410570965 | ||||||
sd.cn
| DNSSEC | β οΈ Not signed | ||||||
| NS | a.dns.cn β β οΈ Not in parent delegation | ||||||
| NS | b.dns.cn β οΈ Not in parent delegation | ||||||
| NS | c.dns.cn β οΈ Not in parent delegation | ||||||
| NS | cns.cernet.net β οΈ Not in parent delegation | ||||||
| NS | d.dns.cn β οΈ Not in parent delegation | ||||||
| NS | e.dns.cn β οΈ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2027250780 | ||||||
Same first word
DNS History
6 records (6 active, 0 former)
βNSharvey.ns.cloudflare.com2026-08-14 β 2026-08-17 Β· 2 obs
β 2026-08-17 06:55:44
βNSmelina.ns.cloudflare.com2026-08-14 β 2026-08-17 Β· 2 obs
β 2026-08-17 06:55:44
βA104.21.15.842026-08-14 β 2026-08-17 Β· 2 obs
β 2026-08-17 06:55:44
βA172.67.161.2492026-08-14 β 2026-08-17 Β· 2 obs
β 2026-08-17 06:55:44
βA2606:4700:3035::6815:f542026-08-14 β 2026-08-17 Β· 2 obs
β 2026-08-17 06:55:44
βA2606:4700:3035::ac43:a1f92026-08-14 β 2026-08-17 Β· 2 obs
β 2026-08-17 06:55:44
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn... | - |
| ff.sd.cn | harvey.ns.cloudflare.com, melina.ns.cloudflare.com | - |
β Authoritative Response
Server:172.64.34.184
NS records: harvey.ns.cloudflare.com, melina.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for ff.sd.cn (unsigned zone)
β±οΈ Timing
Total: 1073ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.161.249, 104.21.15.84 |
| AAAA | 2 | 2606:4700:3035::6815:f54, 2606:4700:3035::ac43:a1f9 |
| NS | 2 | harvey.ns.cloudflare.com, melina.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | harvey.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
ff.sd.cn has four IP addresses: 104.21.15.84, 172.67.161.249, 2606:4700:3035::6815:f54 and 2606:4700:3035::ac43:a1f9.
Among the host names that share IP numbers with ff.sd.cn are tecnicaexpresso.com.br, singgod.com, hatme.de and two others.
Name Servers
ff.sd.cn is delegated to two name servers: harvey.ns.cloudflare.com and melina.ns.cloudflare.com.
ff.sd.cn has the same name server delegation as a number of other domains, such as zhongtong.net.cn, fulaigongwq.com.cn, sdbdsy.com.cn and two more.
ff.sd.cn shares at least some of its name servers with other domains, including browardhousingsolutions.com, hand2handprd.workers.dev, jyu323947.workers.dev and two others.
These name servers are frequently seen alongside the name servers laylah.ns.cloudflare.com, penny.ns.cloudflare.com, max.ns.cloudflare.com and cora.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
harvey.ns.cloudflare.com resolves to 108.162.195.152, 162.159.44.152, 172.64.35.152 and 3 other IP addresses.
melina.ns.cloudflare.com resolves to 108.162.194.184, 162.159.38.184, 172.64.34.184 and 3 other IP addresses.