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DNS & Domains
7 min read
The Stages of Domain Expiration
When a domain expires, it enters an Auto-Renew Grace Period (0-45 days), followed by a 30-day Rede...
DNS & Domains
7 min read
Latency-Based DNS Routing
GeoDNS inspects the client EDNS client subnet (ECS) to resolve domain A records to the closest geographi...
DNS & Domains
6 min read
The Risks of Public WHOIS Registrant Records
When a domain is registered without privacy protection, ICANN regulations mandate tha...
DNS & Domains
6 min read
Securing Your Domain with CAA Records
Mandated by the CA/Browser Forum, Certificate Authorities must verify DNS CAA records before...
DNS & Domains
6 min read
Why RFC 1034 Forbids Root Domain CNAMEs
DNS providers implement CNAME Flattening (ALIAS/ANAME): the authoritative nameserver queri...
DNS & Domains
7 min read
The 4-Step Journey of a Single DNS Lookup
When a visitor enters example.com in their browser, a recursive lookup traverses the hie...
DNS & Domains
9 min read
Comprehensive DNS Record Reference
Every internet service—from web hosting and email routing to SSL certificate validation and thi...
DNS & Domains
6 min read
The Strategic Role of DNS TTL in Server Migrations
Time To Live (TTL) specifies the duration in seconds that intermediate recursiv...
DNS & Domains
8 min read
Why Traditional DNS is Inherently Insecure
DNS Security Extensions (DNSSEC) adds cryptographic digital signatures to every DNS rec...
DNS & Domains
7 min read
Unicast vs Anycast DNS Architecture
With Anycast DNS, multiple global nameserver nodes advertise the exact same IP address via Bor...
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