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nuget.org

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

Security headers: C 50/100 (rank #214 of 461) · TLS: TLSv1.2 · Cert expires in 79 days (rank #238 of 459 soonest) · Response: 428.4 ms (rank #320 of 446)

Certificate valid for 79 more days (until Jan 19 12:04:14 2027 GMT).

TLS certificate

Field	Value
Issuer	Microsoft Corporation
Subject CN	*.nuget.org
Valid until	Jan 19 12:04:14 2027 GMT
Days left	79
TLS version	TLSv1.2
SAN entries	2

Security headers (50/100, grade C)

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

Availability & performance

Field	Value
Availability	100% (3/3 probes)
Avg response	428.4 ms
Fastest / slowest	402.2 / 468.9 ms
HTTP status	200 (https)
Server	n/a

DNS & robots.txt

Field	Value
A records	52.159.113.5
Nameservers	ns1-205.azure-dns.com, ns2-205.azure-dns.net, ns3-205.azure-dns.org, ns4-205.azure-dns.info
MX records	1
robots.txt	present (0 sitemap refs, 4 disallow rules)

How nuget.org compares

Site	Headers	Score	Cert days left	ms
npmjs.com	A	100	39	73.7
pypi.org	A	100	89	22.1
anaconda.org	A	100	78	52.2
rubygems.org	B	83	128	46.1
packagist.org	B	83	87	205.3
pub.dev	B	83	70	119.6
hex.pm	C	67	42	115.3
hub.docker.com	C	50	69	129.4

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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.