CONTINUOUS INTERNET TELEMETRY24H DRIFT3,093 material changesacross 2,827 domains · -305 vs yesterdayDNS DRIFT18 domains changed DNS providertop destination cloudflare.com · -9 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -1 vs yesterdayCERT DRIFT6 domains switched issuing CA24h · -1 vs yesterdayNOW3,326 curated domains not answering-6,392 vs yesterdayERRORS10,912 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT3,093 material changesacross 2,827 domains · -305 vs yesterdayDNS DRIFT18 domains changed DNS providertop destination cloudflare.com · -9 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -1 vs yesterdayCERT DRIFT6 domains switched issuing CA24h · -1 vs yesterdayNOW3,326 curated domains not answering-6,392 vs yesterdayERRORS10,912 responded with an errorlast probe · 5xx / 404 / 429 / 403

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 -all
  • v=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.cn
  • ns2.bnu.edu.cn
  • ns.bnu.edu.cn

SOA 1

  • ns.bnu.edu.cn info.bnu.edu.cn

TLS Certificates (0)

None.

Subdomains (26)

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for bnu.edu.cn. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for bnu.edu.cn <a href="https://domaindrift.io/t/bnu.edu.cn"> <img src="https://domaindrift.io/badge/bnu.edu.cn.svg" width="300" height="64" alt="DomainDrift signed observations for bnu.edu.cn"> </a>

Ed25519 Receipt

Receipt ID
dbf0847d-dd84-457a-b959-aea8e05ff62a
Output Hash
b37916b68d49c8b9e23b34fcc26709e09628c5532006c8050c5113ff5114d2ab
Signature
ed25519:945afa7818dfb208aa4315c61a3702e23b71a88ae341eba87d0f51d6843eb2f31a0a7ab19c9d5163d7e2baa0d0b39b21096be691c3ca87b3703a8c5725d6f00e
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser