Chisato · · 4 min read DNS over HTTPS vs DNS over TLS
DoH tunnels DNS queries inside HTTPS on port 443; DoT wraps them in TLS on a dedicated port 853. Both encrypt lookups — here's how they differ.
#Security
#Networking
#DNS
Topic
#DNS
5 posts tagged “DNS”.
Chisato · · 4 min read 
Chisato · · 3 min read What Is Subdomain Takeover? Explained
A subdomain takeover happens when a DNS record points to a service you no longer control, letting an attacker claim it and serve their own content.
#Security
#DNS
#Web Development
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
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