rbff.com.br
Observed Aug 16, 2026, 18:52 UTC (1h 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.
Up right now
Runs onCloudflare
CloudflareEmail byGoogle Workspace
Google WorkspaceSecured byGoogle Trust Services
Google Trust ServicesIPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rbff.com.br actually stands on - every host below is a signed observation
rbff.com.br
A / AAAA
104.21.41.99172.67.164.442606:4700:3031::ac43:a42c2606:4700:3035::6815:2963
Cloudflareserves the site
NS
chloe.ns.cloudflare.comryan.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
ASPMX.L.GOOGLE.COMALT1.ASPMX.L.GOOGLE.COMALT2.ASPMX.L.GOOGLE.COMASPMX2.GOOGLEMAIL.COM+3 more
Google Workspacereceives its email
TLS
rbff.com.br
Google Trust Servicesissued its certificate
DNS Records
A 2
104.21.41.99172.67.164.44
AAAA 2
2606:4700:3031::ac43:a42c2606:4700:3035::6815:2963
MX 7
10ASPMX.L.GOOGLE.COM20ALT1.ASPMX.L.GOOGLE.COM20ALT2.ASPMX.L.GOOGLE.COM30ASPMX2.GOOGLEMAIL.COM30ASPMX3.GOOGLEMAIL.COM30ASPMX4.GOOGLEMAIL.COM30ASPMX5.GOOGLEMAIL.COM
NS 2
chloe.ns.cloudflare.comryan.ns.cloudflare.com
SOA 1
chloe.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
rbff.com.br |
C=US, O=Google Trust Services, CN=WE1 | Sun, 25 Oct 2026 10:31:17 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +0000 |
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_5fa4bb178e7f8848- Output Hash
9f68cd67e35b8fc35b76450833086686f322d6e7abfb027b9d8e0172ae22ba4f- Signature
ed25519:1b932655cdd8253be53131817c5898ddc3b6bd78512495b5f418e4213982ad3b70db71b81ef44e47a20e0cd1346671980ad7cbdbe2b4147caeda97db8a6a3809- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast