DNSSEC Validation and Deployment Planning for ISPs
When a signed domain has a broken chain of trust, a validating resolver returns SERVFAIL. ISP operators need enough resolver data to tell that failure from an ordinary DNS outage.
network operations
What makes a good data center?
A good data center is not about lobby photos or vendor language. It is about clean power, working cooling, clear cable paths, useful remote hands, and gear that can be repaired without fighting the building.