bnu.edu.cn
Observed 2026-07-13T11:19:39.305Z (9h ago). Every field below was attested with an Ed25519 signature at scan time.
Not responding
Runs onCloudflare
26 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat bnu.edu.cn actually stands on - every host below is a signed observation
bnu.edu.cn
NS
ns3.bnu.edu.cnns2.bnu.edu.cnns.bnu.edu.cn
edu.cnanswers its DNS
MX
email.bnu.edu.cn
edu.cnreceives its email
HTTPS probe
server_error
Server error (5xx) 530 Server Error
HTTP status530
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time834 ms
DNS resolutionNOERROR
Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
MX 1
10email.bnu.edu.cn
TXT 2
v=spf1 ip4:219.142.121.58 ip4:202.112.80.198 ip4:114.255.220.28 include:spf.icoremail.net -allv=DMARC1; p=reject; fo=1; ruf=mailto:dmarc@bnu.edu.cn; rua=mailto:dmarc_report@bnu.edu.cn; sp=reject
NS 3
ns3.bnu.edu.cnns2.bnu.edu.cnns.bnu.edu.cn
SOA 1
ns.bnu.edu.cn info.bnu.edu.cn
TLS Certificates (0)
None.
Subdomains (26)
- api.bnu.edu.cn
- bb.bnu.edu.cn
- console.bnu.edu.cn
- db.bnu.edu.cn
- dns.bnu.edu.cn
- docs.bnu.edu.cn
- gitlab.bnu.edu.cn
- hjxy-meeting.env.bnu.edu.cn
- id.bnu.edu.cn
- imap.bnu.edu.cn
- m.bnu.edu.cn
- media.bnu.edu.cn
- monitor.bnu.edu.cn
- news.bnu.edu.cn
- ns2.bnu.edu.cn
- pay.bnu.edu.cn
- pop.bnu.edu.cn
- scan.bnu.edu.cn
- seed.bnu.edu.cn
- smtp.bnu.edu.cn
- spoc.bnu.edu.cn
- vpn.bnu.edu.cn
- www.bnu.edu.cn
- www.hjxy-meeting.env.bnu.edu.cn
- www.mail.bnu.edu.cn
- xinlijc.bnu.edu.cn
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
dbf0847d-dd84-457a-b959-aea8e05ff62a- Output Hash
b37916b68d49c8b9e23b34fcc26709e09628c5532006c8050c5113ff5114d2ab- Signature
ed25519:945afa7818dfb208aa4315c61a3702e23b71a88ae341eba87d0f51d6843eb2f31a0a7ab19c9d5163d7e2baa0d0b39b21096be691c3ca87b3703a8c5725d6f00e- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast