Axelspire helps engineering and security teams eliminate certificate-driven outages through enterprise PKI automation and infrastructure intelligence — founded by Dan Cvrcek, PKI architect, applied cryptographer, CISO level consultant focusing on efficient operations of technology solutions. He has 20+ years experience at Barclays, Deutsche Bank, TSB Bank, Sky UK, Comcast, and others.

Welcome to our technical knowledge base covering certificate lifecycle management, ACME automation, and post-quantum migration.

Tag: validation-failures

All PKI knowledge base pages tagged with "validation-failures".

1 page tagged with validation-failures

HTTP-01 Challenge Errors: Fixing 404, Timeout & Validation Failures — Solve ACME HTTP-01 challenge failures. Debug 404 errors, firewall blocks, reverse proxy issues, and .well-known/acme-challenge configuration problems.

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