Public DNS Providers and Their Resolver Addresses
Common public DNS services, their resolver IPs, and operational characteristics.
Infra Notes
Infra AtlasField notes on the systems that quietly run the internet.
Signal Path
Infrastructure field notes for operators, builders, and the mildly obsessed. Practical explanations of VPN routing, DNS automation, BGP policy, and the trade-offs behind real-world infrastructure decisions.
Common public DNS services, their resolver IPs, and operational characteristics.
AI shifts debt from code to ownership and operations
Deliverability, compliance, and the governance costs nobody budgets for.
Security, governance, cost, and the decision every organization is being forced to make.
The uncomfortable truth about disaster recovery, testing gaps, and why “we have backups” isn’t a recovery plan.
Why “just store it in s3” stopped being obvious, and how cold storage changes the math.
Certificates are free now. Operating them isn’t
Accountability, continuity, and why “paperwork” is the real control plane.