brave.com

96 out of 10024 passed2 to improve

Checked yesterday· Grading…

HTTPS & TLSA⁺

Certificate, protocol, redirect, HSTS100

DNSA⁺

Name servers, DNSSEC, CAA, registration100

EmailA⁺

SPF, DMARC, MTA-STS, DKIM100

Web & networkA⁺

Security headers, IPv6, RPKI97

DependenciesB

How much hangs on one company80

HTTPS & TLS

100/100A⁺

HTTPS certificateAmazon10/10
HTTPS with a valid certificate from Amazon.
Certificate expiry1444/4
The certificate is valid for another 144 days.
TLS versionTLS 1.34/4
Negotiates TLS 1.3, the current protocol: faster handshakes, forward secrecy always.
Old protocols3/3
Refuses the retired TLS 1.0 and 1.1.
Key strengthRSA 20482/2
A strong key: RSA 2048.
HTTP → HTTPS3013/3
http:// redirects straight to https://.
HSTS1 year · preload4/4
HSTS tells browsers to use HTTPS only, for 1 year.
HTTP/2 and HTTP/3HTTP/32/2
HTTP/2 and HTTP/3.

DNS

100/100A⁺

Name servers24/4
2 name servers for the domain.
Name servers answer2/25/5
Every name server answers for the domain, with the same version of the zone.
DNSSECECDSAP256SHA2563/3
Signed with DNSSEC: resolvers can tell forged answers from real ones.
CAA recordsamazon.com, digicert.com, letsencrypt.org2/2
CAA records name the authorities allowed to issue its certificates.

Email

100/100A⁺

SPF-all5/5
SPF lists the servers allowed to send its mail and rejects the rest (-all).
DMARCreject7/7
DMARC tells receivers to reject mail that fakes the domain (p=reject).
MTA-STSenforce2/2
MTA-STS makes senders deliver mail to it only over verified TLS.
TLS reporting0.5/0.5
TLS reporting: senders report failed encrypted deliveries.
DKIMgoogle2/2
A DKIM key is published (selector google), so its mail can be signed.

Web & network

97/100A⁺

Permissions-Policy0/0.5
No Permissions-Policy: embedded content may ask for camera, microphone or location.
Content Security Policy3/3
A Content Security Policy limits which scripts the pages run.
X-Content-Type-Options2/2
X-Content-Type-Options: nosniff stops browsers guessing file types.
Framing2/2
Other sites cannot frame its pages (clickjacking protection).
Referrer-Policystrict-origin-when-cross-origin0.5/0.5
Referrer-Policy limits what other sites learn about where visitors came from.
IPv64/4
brave.com is reachable over IPv6 as well as IPv4.
RPKIvalid4/4
The route to the website is RPKI-valid: networks can reject hijacked announcements of it.

Dependencies

80/100B

DNS providersCloudflare3/5
All DNS is with one provider (Cloudflare): an outage there takes the domain offline, as Dyn's did in 2016.
One company for everything5/5
The website, DNS and email do not all hang on one company.

Who runs it

Website: Amazon CloudFront
DNS: Cloudflare
Email: Google Workspace

Routes

18.64.211.0/24AS16509RPKI valid
2600:9000:20a2::/48AS16509RPKI valid

Name servers

chip.ns.cloudflare.comCloudflareAS13335
kim.ns.cloudflare.comCloudflareAS13335

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What is graded

HTTPS & TLS · 25%

A valid certificate (an invalid one means F), its expiry against its lifetime, TLS 1.3, no TLS 1.0/1.1 (else at most B), http:// sent straight to https://, HSTS, HTTP/2.

DNS · 20%

At least two name servers that all answer and agree, DNSSEC, CAA records, and a registration that is not about to expire.

Email · 20%

SPF, a DMARC policy that rejects forgeries (none means at most B), MTA-STS and TLS reporting for domains that take mail, DKIM at common selectors.

Web & network · 20%

Content Security Policy, nosniff, framing protection, Referrer- and Permissions-Policy, IPv6, and an RPKI-valid route (invalid means at most C).

Dependencies · 15%

DNS from more than one provider, and the website, DNS and email not all with one company.

A+ 95–100 · A 85–94 · B 75–84 · C 65–74 · D 50–64 · F below 50