Chisato · · 3 min read What Is DNSSEC? Domain Name Security, Explained
DNSSEC adds cryptographic signatures to DNS records so resolvers can verify responses weren't forged or tampered with in transit.
#Security
#DNS
#Networking
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#DNS
3 posts tagged “DNS”.
Chisato · · 3 min read 
Chisato · · 4 min read Anatomy of an Outage: The Day Facebook Vanished
On October 4, 2021, Facebook, Instagram, and WhatsApp vanished for six hours. How one network command and a DNS safety mechanism took it all down.
#Networking
#DNS
#Reliability
Chisato · · 3 min read What Is DNS? The Internet's Phone Book, Explained
DNS translates domain names into IP addresses. How DNS resolution works, the common record types, and why it underpins everything on the web.
#DNS
#Networking
#Cloud