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: acme-challenge

All PKI knowledge base pages tagged with "acme-challenge".

1 page tagged with acme-challenge

Top 20 PKI Misconfigurations: HTTP-01 404, SAN, Permissions & ACME Challenge Fixes — Fix 'wrong status code 404 expected 200' HTTP-01 challenge, common Certbot DNS-01 errors, SAN and permission mistakes. The misconfigurations that cause 80% of certificate outages—with detection and fixes.

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