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nginx.org

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

Security headers: F 17/100 (rank #352 of 461) · TLS: TLSv1.2 · Cert expires in 73 days (rank #215 of 459 soonest) · Response: 266.4 ms (rank #274 of 446)

Certificate valid for 73 more days (until Jan 13 12:15:38 2027 GMT).

TLS certificate

Field	Value
Issuer	Let's Encrypt
Subject CN	nginx.org
Valid until	Jan 13 12:15:38 2027 GMT
Days left	73
TLS version	TLSv1.2
SAN entries	16

Security headers (17/100, grade F)

Header	Status
`strict-transport-security`	max-age=31536000
`content-security-policy`	missing
`x-frame-options`	missing
`x-content-type-options`	missing
`referrer-policy`	missing
`permissions-policy`	missing

Availability & performance

Field	Value
Availability	100% (3/3 probes)
Avg response	266.4 ms
Fastest / slowest	262.4 / 271.8 ms
HTTP status	200 (https)
Server	nginx/1.31.3

DNS & robots.txt

Field	Value
A records	3.147.99.198
Nameservers	ns1.f5clouddns.com, ns2.f5clouddns.com
MX records	0
robots.txt	present (1 sitemap refs, 1 disallow rules)

How nginx.org compares

Site	Headers	Score	Cert days left	ms
docker.com	B	83	56	83.6
ansible.com	B	83	51	1193.1
datadoghq.com	B	83	144	150.6
opentelemetry.io	B	83	89	136.1
puppet.com	C	67	51	113.7
chef.io	C	67	62	99.4
jenkins.io	C	50	72	287.7
circleci.com	C	50	95	170.2

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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.