Glossary term
What is authoritative (Authoritative nameserver)?
authoritative stands for Authoritative nameserver.
The one source of truth for a domain's DNS records. Everything else is a cached copy.
Learn it properly · DevOpsLesson 3: DNS Deep Dive: From Domain Name to ServerHow a domain name turns into a server address — records, TTL, Route 53, and the one wildcard record that serves unlimited customer subdomains for a multi-tenant SaaS.