Guest session
Check Detail

datadog.com · DNS

Passed Grade A
100.0%
Hostname datadog.com
Check name DNS
last run 28/02/2026 01:16
Result
Incomplete Grade C 70.5%

Result Detail

DNS
Host Type Answer TTL
18.245.60.41 —
18.245.60.67 —
18.245.60.36 —
18.245.60.110 —

Result Detail

HEADER
Alerts
  • Strict-Transport-Security: Strict-Transport-Security missing
  • Content-Security-Policy: Content-Security-Policy missing
  • X-Content-Type-Options: Header missing
  • X-Frame-Options: Header missing
  • Referrer-Policy: Header missing
  • Permissions-Policy: Permissions-Policy missing
  • Cross-Origin-Opener-Policy: Header missing
  • Cross-Origin-Embedder-Policy: Header missing
  • Cross-Origin-Resource-Policy: Header missing
  • Cache-Control: Cache-Control missing restrictive directives
  • Expect-CT: Expect-CT missing
  • X-Permitted-Cross-Domain-Policies: Header missing
  • Access-Control-Allow-Origin: Access-Control-Allow-Origin missing
  • Server: Sensitive header exposed
  • Origin-Agent-Cluster: Header missing
Normalized headers
content-length 0
location https://www.datadoghq.com/
date Fri, 27 Feb 2026 10:39:52 GMT
server AmazonS3
x-cache Hit from cloudfront
via 1.1 c9b44fbd4230c7c5b0750a98fbcd9df6.cloudfront.net (CloudFront)
x-amz-cf-pop FRA60-P5
x-amz-cf-id v7NLBD2YaAciv5N0-GcigVPQEdI46EJ1qSB7sbX52VwJHZy507veOw==
age 48991
Transport
Check name Status Actual Expected Detail Severity Recommendation
Strict-Transport-Security ❌ Missing max-age>=15768000; includeSubDomains; preload Strict-Transport-Security missing Critical Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
Expect-CT ❌ Missing enforce; max-age>=86400 Expect-CT missing Medium Expect-CT: enforce, max-age=86400, report-uri="https://report.example.com"
Content Security
Check name Status Actual Expected Detail Severity Recommendation
Content-Security-Policy ❌ Missing default-src 'self'; frame-ancestors 'none' Content-Security-Policy missing Critical Content-Security-Policy: default-src 'self'; frame-ancestors 'none'
MIME
Check name Status Actual Expected Detail Severity Recommendation
X-Content-Type-Options ❌ Missing nosniff Header missing High X-Content-Type-Options: nosniff
Framing
Check name Status Actual Expected Detail Severity Recommendation
X-Frame-Options ❌ Missing DENY or SAMEORIGIN Header missing High X-Frame-Options: DENY
Privacy
Check name Status Actual Expected Detail Severity Recommendation
Referrer-Policy ❌ Missing strict-origin-when-cross-origin / same-origin Header missing Medium Referrer-Policy: strict-origin-when-cross-origin
Browser Features
Check name Status Actual Expected Detail Severity Recommendation
Permissions-Policy ❌ Missing camera=(); geolocation=(); microphone=() Permissions-Policy missing Medium Permissions-Policy: camera=(), geolocation=(), microphone=()
Cross-Origin
Check name Status Actual Expected Detail Severity Recommendation
Cross-Origin-Opener-Policy ❌ Missing same-origin Header missing High Cross-Origin-Opener-Policy: same-origin
Cross-Origin-Embedder-Policy ❌ Missing require-corp Header missing High Cross-Origin-Embedder-Policy: require-corp
Cross-Origin-Resource-Policy ❌ Missing same-origin Header missing Medium Cross-Origin-Resource-Policy: same-origin
Origin-Agent-Cluster ❌ Missing ?1 Header missing Low Origin-Agent-Cluster: ?1
Caching
Check name Status Actual Expected Detail Severity Recommendation
Cache-Control ❌ Missing no-store, private, max-age=0 Cache-Control missing restrictive directives High Cache-Control: no-store, private, max-age=0
Legacy
Check name Status Actual Expected Detail Severity Recommendation
X-Permitted-Cross-Domain-Policies ❌ Missing none Header missing Low X-Permitted-Cross-Domain-Policies: none
CORS
Check name Status Actual Expected Detail Severity Recommendation
Access-Control-Allow-Origin ❌ Missing Scoped origin (no wildcard) Access-Control-Allow-Origin missing Medium Access-Control-Allow-Origin: https://app.example.com
Information Disclosure
Check name Status Actual Expected Detail Severity Recommendation
Server ❌ Missing AmazonS3 Header removed or generic Sensitive header exposed High Remove Server header or set to a generic token
X-Powered-By ✅ Passed Header removed Header not exposed High Remove X-Powered-By header
X-AspNet-Version ✅ Passed Header removed Header not exposed Medium Remove framework version headers
Raw headers
HTTP/2 301 
content-length: 0
location: https://www.datadoghq.com/
date: Fri, 27 Feb 2026 10:39:52 GMT
server: AmazonS3
x-cache: Hit from cloudfront
via: 1.1 c9b44fbd4230c7c5b0750a98fbcd9df6.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA60-P5
x-amz-cf-id: v7NLBD2YaAciv5N0-GcigVPQEdI46EJ1qSB7sbX52VwJHZy507veOw==
age: 48991

Result Detail

SSL
Check name Status Value
certificate chain is complete ✅ Passed 3
root CA is trusted ✅ Passed Trusted
cert valid for ✅ Passed 76
chain certs are valid until ✅ Passed 15.05.2026
CN matches Domainname ✅ Passed datadog.com
certificate subject ✅ Passed C=US, ST=New York, L=New York, O=Datadog, Inc., CN=*.datadog.com
certificate issuer ✅ Passed C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
signature algorithm ✅ Passed RSA-SHA256
TLS protocol ✅ Passed TLSv1.3 TLS_AES_128_GCM_SHA256
Subject Alternative Names ✅ Passed *.datadog.com, datadog.com
Public Key ✅ Passed RSA 2048
Certificate chain
# Common name Issuer Valid until CA
0 *.datadog.com C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1 15.05.2026 01:59:59 No
1 *.datadog.com C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1 15.05.2026 01:59:59 No
2 DigiCert Global G2 TLS RSA SHA256 2020 CA1 C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert Global Root G2 30.03.2031 00:59:59 Yes
TLS details
Negotiated protocol TLSv1.3
Cipher suite TLS_AES_128_GCM_SHA256 (128 bit)
Cipher version TLSv1.3
Perfect Forward Secrecy Attention
Earliest chain expiry 15.05.2026 01:59
Fingerprints
SHA-256 CD:45:52:A2:37:90:6C:D4:62:BE:F3:4A:5D:0E:D4:F0:9C:96:EB:0A:BE:D3:CC:EB:09:5C:B0:74:6E:15:2D:74
SHA-1 C3:35:24:49:F9:5B:65:2B:18:D4:34:52:51:2C:23:CB:78:E4:B2:D1
Revocation
OCSP URLs
http://ocsp.digicert.com
CRL URLs
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
Issuer URLs (AIA)
http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
OCSP Must-Staple No
Trust evaluation

Attempted: Yes

Trusted: Yes

OpenSSL diagnostic command
openssl s_client -connect datadog.com:443 -servername datadog.com

Result Detail

WAF
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