xrtb.io
Observed Jul 24, 2026, 01:08 UTC (14h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.
Not responding
Signed observation on record.
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat xrtb.io actually stands on - every host below is a signed observation
xrtb.io
NS
ezra.ns.cloudflare.comkarsyn.ns.cloudflare.com
cloudflare.comanswers its DNS
DNS Records
TXT 1
v=DMARC1; p=reject; rua=mailto:info@xrtb.io; adkim=s; aspf=s;
NS 2
ezra.ns.cloudflare.comkarsyn.ns.cloudflare.com
SOA 1
ezra.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (0)
None.
Subdomains (0)
None observed.
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
rcpt_7e469552d7c02ff7- Output Hash
396617e2cced298a68f9d242e93bede2ecab6e8b22e9f325eb4b417cecc16651- Signature
ed25519:f72dd64e85ded78e8001e11a928857353a77b14ea5543c4464011d330037ea154655d2376838fcca336f5c042ad021fc84aee617e39472394a633d0970e29607- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast