HTTP Headers Analysis for https://spf.atlassian.net

Detected Technologies from Headers

See all in URL Inspect 2

Atlassian

AWS CloudFront

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=63072000; includeSubDomains; preload

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding

connection: close
transfer-encoding: chunked
vary: Accept-Encoding

Caching Headers

No caching headers found

Content Headers

Content-Type

Content

text/html

content-type: text/html

Server Headers

Server

AtlassianEdge

server: AtlassianEdge

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Atl-Missing-Tcs

Other

true

Atl-Request-Id

Other

2ed93b02-906a-4c3f-ac3f-ce6e13305596

Atl-Traceid

Other

2ed93b02906a4c3fac3fce6e13305596

Date

Other

Sun, 17 May 2026 10:17:59 GMT

Nel

Other

Report-To Group endpoint-1 max-age: 10m

failure: 1.0% include subdomains

Report-To

Other

Group endpoint-1 max-age: 10m

Endpoint 1 https://dz8aopenkvv6s.cloudfront.net

Server-Timing

Other

atl-edge;dur=124,atl-edge-internal;dur=17,atl-edge-upstream;dur=105,atl-edge-pop;desc="aws-us-east-1"

Via

Other

1.1 2791c87775059ed7f42e5c34cfade8d4.cloudfront.net (CloudFront)

X-Amz-Cf-Id

Other

8RwZC039Z_GK6jX8B9f46247ioyl5FocPdMDPJYd0NCNVIi2TfRHGQ==

X-Amz-Cf-Pop

Other

IAD61-P12

X-Cache

Other

Error from cloudfront

atl-missing-tcs: true
atl-request-id: 2ed93b02-906a-4c3f-ac3f-ce6e13305596
atl-traceid: 2ed93b02906a4c3fac3fce6e13305596
date: Sun, 17 May 2026 10:17:59 GMT
nel: {"failure_fraction": 0.01, "include_subdomains": true, "max_age": 600, "report_to": "endpoint-1"}
report-to: {"endpoints": [{"url": "https://dz8aopenkvv6s.cloudfront.net"}], "group": "endpoint-1", "include_subdomains": true, "max_age": 600}
server-timing: atl-edge;dur=124,atl-edge-internal;dur=17,atl-edge-upstream;dur=105,atl-edge-pop;desc="aws-us-east-1"
via: 1.1 2791c87775059ed7f42e5c34cfade8d4.cloudfront.net (CloudFront)
x-amz-cf-id: 8RwZC039Z_GK6jX8B9f46247ioyl5FocPdMDPJYd0NCNVIi2TfRHGQ==
x-amz-cf-pop: IAD61-P12
x-cache: Error from cloudfront

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching