bt.cn
Observed 2026-07-13T01:51:17.600Z (22h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Also usesGoogle Search Console
IPv6 · 18 subdomains · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat bt.cn actually stands on - every host below is a signed observation
bt.cn
A / AAAA
157.255.129.2512001:19f0:7001:54fc:5400:2ff:fe9b:97f9
Cloudflareserves the site
NS
vip4.alidns.comvip3.alidns.com
alidns.comanswers its DNS
MX
mail.bt.cn
bt.cnreceives its email
HTTPS probe
redirect
Redirecting (3xx) 302 → https://www.bt.cn/
HTTP status302
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time205 ms
DNS resolutionNOERROR
Redirect chain
https://www.bt.cn/Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 1
157.255.129.251
AAAA 1
2001:19f0:7001:54fc:5400:2ff:fe9b:97f9
MX 1
10mail.bt.cn
TXT 5
google-site-verification=T_Dp27KV30n1mzB0BwaVHZzAR7CYJ7E6DCNU30fz1CY202006140135465jku4f66s84knkzqfhymyot20dlksu51gbge4j93nmd9rutp4iv=spf1 a mx -allv=DMARC1;p=quarantine;rua=mailto:admin@bt.cnv=DKIM1; (detected)
NS 2
vip4.alidns.comvip3.alidns.com
SOA 1
vip3.alidns.com hostmaster.hichina.com
TLS Certificates (0)
None.
Subdomains (18)
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
3fbb1e55-a549-476c-9331-157166f66f46- Output Hash
8cf7766af5a3a1e5ca1618ae19bc30060144891a0d3898efc4af82b1e0bef1bc- Signature
ed25519:d01b52843f544374b7e04c448eabf68d9883031406b7be1f9d4c41b6ee54b19167b6b82536341ee0718cd8062c7ea0938275bf427bde60caa2b1863951043208- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast