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TECH STACK ANALYSIS: sat.gob.mx
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DOMAIN: www.sat.gob.mx
PURPOSE: Mexican Tax Administration Service (SAT) Portal
STATUS: PARTIALLY AVAILABLE (504 Gateway Timeout during scan)

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INFRASTRUCTURE
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CDN / EDGE NETWORK
------------------
Provider:       Amazon Web Services (AWS) CloudFront
Evidence:       X-Cache: Error from cloudfront
                Via: 1.1 *.cloudfront.net (CloudFront)
                X-Amz-Cf-Pop: BRU50-P1
                X-Amz-Cf-Id: wDs0CKzlEff0Iz7xalTMj0m9_PHNaZi4cOSPPDG5maob4-NxR2203w==

CloudFront POP:     BRU50-P1 (Brussels edge location)
Request ID:         wDs0CKzlEff0Iz7xalTMj0m9_PHNaZi4cOSPPDG5maob4-NxR2203w==

HTTP/3 SUPPORT
--------------
Alt-Svc:        h3=":443"; ma=86400

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AVAILABILITY ISSUE
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STATUS CODE: 504 Gateway Time-out
MEANING:     Origin server not responding to CloudFront
POSSIBLE CAUSES:
  - Origin server overloaded
  - Network connectivity issue
  - Maintenance window
  - Origin health check failure

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TECHNOLOGY SUMMARY
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Layer               Technology
------------------  ------------------------------------------
CDN                 AWS CloudFront
Edge Location       BRU50-P1 (Brussels)
HTTP/3              Supported (QUIC)
Origin              Unknown (timeout)
SSL                 AWS Certificate Manager (presumed)

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AWS INFRASTRUCTURE INDICATORS
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Header                  Value                           Meaning
----------------------  ------------------------------  -------------------------
X-Cache                 Error from cloudfront           CDN cache miss/error
Via                     1.1 *.cloudfront.net            CloudFront proxy
X-Amz-Cf-Pop            BRU50-P1                        Edge location code
X-Amz-Cf-Id             [Request ID]                    CloudFront request trace
Alt-Svc                 h3=":443"                       HTTP/3 enabled

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SECURITY NOTES
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[INFO]  SAT handles sensitive taxpayer data
[INFO]  AWS CloudFront provides DDoS protection
[INFO]  504 error may indicate backend security controls
[WARN]  Could not fully assess origin server technology

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RAW HEADER CAPTURE
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HTTP/1.1 504 Gateway Time-out
Content-Type: text/html
Content-Length: 941
Connection: keep-alive
Date: Thu, 15 Jan 2026 21:51:36 GMT
X-Cache: Error from cloudfront
Via: 1.1 2ae90e7f79d3d333546a65283ed748ca.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: BRU50-P1
Alt-Svc: h3=":443"; ma=86400
X-Amz-Cf-Id: wDs0CKzlEff0Iz7xalTMj0m9_PHNaZi4cOSPPDG5maob4-NxR2203w==

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END OF TECH STACK ANALYSIS
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