notebookcheck.net
Observed 2026-07-13T01:22:47.986Z (1d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Also usesGoogle Search Console
IPv6 · 1 subdomain · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat notebookcheck.net actually stands on - every host below is a signed observation
notebookcheck.net
A / AAAA
172.67.70.9104.26.12.39104.26.13.392606:4700:20::681a:d27+2 more
Cloudflareserves the site
NS
jeff.ns.cloudflare.comivy.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mail1.sprit.orgmail2.sprit.org
sprit.orgreceives its email
HTTPS probe
redirect
Redirecting (3xx) 301 → https://www.notebookcheck.net/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time3 ms
DNS resolutionNOERROR
Redirect chain
https://www.notebookcheck.net/Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 3
172.67.70.9104.26.12.39104.26.13.39
AAAA 3
2606:4700:20::681a:d272606:4700:20::681a:c272606:4700:20::ac43:4609
MX 2
10mail1.sprit.org20mail2.sprit.org
TXT 2
google-site-verification=Pjc1kIUr88qfyiFT-EnmtHuzwGm2KvDNUJPXSl4Y8ucv=DMARC1; p=none; rua=mailto:d4f014ea87ce41619663870d129892eb@dmarc-reports.cloudflare.net
NS 2
jeff.ns.cloudflare.comivy.ns.cloudflare.com
SOA 1
ivy.ns.cloudflare.com dns.cloudflare.com
CAA 10
issuewild pki.goog; cansignhttpexchanges=yesissue comodoca.comissue letsencrypt.orgissue ssl.comissue digicert.com; cansignhttpexchanges=yesissuewild comodoca.comissue pki.goog; cansignhttpexchanges=yesissuewild letsencrypt.orgissuewild digicert.com; cansignhttpexchanges=yesissuewild ssl.com
TLS Certificates (0)
None.
Subdomains (1)
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
557c093d-ec12-436c-a752-cffb43a6ed6d- Output Hash
2c393334d1722086f92054995ae6d6ca4f7dd93bc5798b9490fb62195809c512- Signature
ed25519:adb6ef839b5a245b9cd41b092301cd7a55c2b60c0b0544b27d91618e9a674cf85901ef5473bf1c9839f7b0577c73182d168149a74bf2a953cc7f6cd97e288e04- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast