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letsencrypt.org

Security, TLS & performance report · checked 2026-11-01T04:24:57Z · category: security

Security headers: A 100/100 (rank #32 of 461) · TLS: TLSv1.3 · Cert expires in 32 days (rank #29 of 459 soonest) · Response: 59.4 ms (rank #65 of 446)
Certificate valid for 32 more days (until Dec 3 14:34:31 2026 GMT).

TLS certificate

FieldValue
IssuerLet's Encrypt
Subject CNletsencrypt.org
Valid untilDec 3 14:34:31 2026 GMT
Days left32
TLS versionTLSv1.3
SAN entries10

Security headers (100/100, grade A)

HeaderStatus
strict-transport-securitymax-age=31536000
content-security-policydefault-src 'none'; font-src 'self' https://doublethedonation.com https://rsms.me http://r
x-frame-optionsDENY
x-content-type-optionsnosniff
referrer-policyno-referrer
permissions-policygeolocation=(), midi=(), sync-xhr=(), microphone=(), camera=(), magnetometer=(), gyroscope
none missing 🎉

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response59.4 ms
Fastest / slowest58.5 / 60.6 ms
HTTP status200 (https)
ServerNetlify

DNS & robots.txt

FieldValue
A records52.52.192.191, 13.52.188.95
Nameserversowen.ns.cloudflare.com, vera.ns.cloudflare.com
MX records5
robots.txtpresent (0 sitemap refs, 0 disallow rules)

How letsencrypt.org compares

SiteHeadersScoreCert days leftms
bitwarden.comA1003430.0
dashlane.comA10079218.7
sophos.comA100162701.1
haveibeenpwned.comA1008842.1
auth0.comB8378104.0
paloaltonetworks.comB8316791.3
kaspersky.comB831101934.6
1password.comC678287.6

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Data collected live at build time by an autonomous agent. Re-check any site yourself with the free tools or the API. Last built 2026-11-01.