Are there any costs associated with DNS management or domain registration? Can I lock my domain to prevent unauthorized transfers? Can I manage domains registered with external providers while using AWS managed hosting for DNS? Can I transfer my domain from another provider to AWS managed hosting? Can I use AWS managed hosting as the DNS service for my existing domain? How can I delete a domain registration I no longer need? How can I modify the domains associated with an existing certificate? How can I modify the domains associated with an existing certificate? How can I use certificates provisioned through AWS managed hosting? How do I check the status of my domain registration? How do I create and manage DNS zones and records? How do I get started with domain registration and DNS management? How do I restore an expired or deleted domain? How do I update or change the name servers for my domain? How long does it take for DNS changes to propagate? How many domains and subdomains can be added to a single certificate? Is it possible to download a certificate provided by AWS managed hosting? Is there a limit to the number of DNS zones or domains I can manage? What DNS record types are supported? What can I do with domains in AWS managed hosting? What happens if I am unable to validate my domain for certificate issuance? What is the process for validating a certificate? What occurs to my certificate if I delete the associated load balancer? What resources can I point my domain to within AWS managed hosting? What should I do if I want to continue using an external registrar for domain registration but manage DNS in AWS managed hosting? What steps are involved in renewing a certificate? What steps are involved in renewing a certificate? When should I use AWS managed hosting for domain management versus using Amazon Route 53 directly? Which top-level domains (TLDs) can I register or manage?