#DNS

2 posts

DNS Records Setup in Practice — Connecting a Domain to a Server or the Cloud (A, CNAME, apex, TTL)
InfrastructureDNSDomain
8 min read

DNS Records Setup in Practice — Connecting a Domain to a Server or the Cloud (A, CNAME, apex, TTL)

A hands-on guide to connecting a domain to an actual server or the cloud. Nameserver delegation, real values for A/AAAA/CNAME/MX/TXT records, the apex domain problem and its fixes, TTL and propagation, how to check with dig, and common mistakes — covering both self-managed Linux and managed cloud side by side.

AWS Intermediate #5: Route 53 — domains and DNS
InfrastructureAWSRoute 53DNS
9 min read

AWS Intermediate #5: Route 53 — domains and DNS

AWS's managed DNS, Route 53. Domain registration and Hosted Zones, the difference between A / AAAA / CNAME / Alias records, and Simple / Failover / Latency / Geolocation routing policies.