Glossary term
What is wildcard (Wildcard DNS record)?
wildcard stands for Wildcard DNS record.
A record like *.yourapp.com that answers for every subdomain, including ones that do not exist yet.
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.