bsb.ac.cn - robtex.com
bsb.ac.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:4e82🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:ddc6🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.78.130Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.221.198🇺🇸 Cloudflare172.67.208.0/20 , 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 | 104.21.78.130, 172.67.221.198 | ||||||
| IPv6 hints | 2606:4700:3033::6815:4e82, 2606:4700:3034::ac43:ddc6 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com | ||||||
| SOA | rosalie.ns.cloudflare.comdns@cloudflare.com serial=2400375583 | ||||||
ac.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=2027267533 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSrosalie.ns.cloudflare.com2026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 06:35:26
●NSsam.ns.cloudflare.com2026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 06:35:26
●A104.21.78.1302026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 06:35:26
●A172.67.221.1982026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 06:35:26
●A2606:4700:3033::6815:4e822026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 06:35:26
●A2606:4700:3034::ac43:ddc62026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 06:35:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| bsb.ac.cn | sam.ns.cloudflare.com, rosalie.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.57
NS records: sam.ns.cloudflare.com, rosalie.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bsb.ac.cn (unsigned zone)
⏱️ Timing
Total: 960ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.221.198, 104.21.78.130 |
| AAAA | 2 | 2606:4700:3034::ac43:ddc6, 2606:4700:3033::6815:4e82 |
| 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
bsb.ac.cn maps to four IP numbers: 2606:4700:3033::6815:4e82, 2606:4700:3034::ac43:ddc6, 104.21.78.130 and 172.67.221.198.
Other host names such as pc-mind.com, laruginesti.com, theopatellaro.com, ramenbetgames15.top and www.vyshkil.com share IPs with bsb.ac.cn.
Name Servers
Two name servers rosalie.ns.cloudflare.com and sam.ns.cloudflare.com handle the delegation for bsb.ac.cn.
bsb.ac.cn shares the same name server setup as other domains, for example leesgroup.com.cn, yyfsy.com.cn, dc-edu.ac.cn, lingbi70.com.cn and 234300.net.cn.
bsb.ac.cn at least partially shares name servers with other domains, for example lioptometric.com, 83fr8.com, lysted.xyz, investcantech.com and fratellipellizzari.it.
These name servers are often used together with steven.ns.cloudflare.com and malcolm.ns.cloudflare.com.
Host names with six IP numbers:
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.
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.