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backblaze.com

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

Security headers: C 50/100 (rank #221 of 461) · TLS: TLSv1.3 · Cert expires in 83 days (rank #259 of 459 soonest) · Response: 191.4 ms (rank #225 of 446)
Certificate valid for 83 more days (until Jan 23 07:14:48 2027 GMT).

TLS certificate

FieldValue
IssuerLet's Encrypt
Subject CNbackblaze.com
Valid untilJan 23 07:14:48 2027 GMT
Days left83
TLS versionTLSv1.3
SAN entries2

Security headers (50/100, grade C)

HeaderStatus
strict-transport-securitymax-age=2592000
content-security-policyframe-ancestors 'self' https://secure.backblaze.com
x-frame-optionsSAMEORIGIN
x-content-type-optionsmissing
referrer-policymissing
permissions-policymissing

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response191.4 ms
Fastest / slowest171.5 / 220.3 ms
HTTP status200 (https)
Servercloudflare

DNS & robots.txt

FieldValue
A records104.17.6.3, 104.17.5.3
Nameserverskirk.ns.cloudflare.com, dolly.ns.cloudflare.com
MX records2
robots.txtpresent (1 sitemap refs, 11 disallow rules)

How backblaze.com compares

SiteHeadersScoreCert days leftms
cloudflare.comA10033181.2
heroku.comA1003572.1
upcloud.comA1004257.3
vercel.comB8353100.7
render.comB8347142.1
cloud.google.comB8359205.4
hetzner.comB83891179.8
vultr.comB83186215.4

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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.