TTL (Time To Live)

Time To Live (TTL) is a critical aspect of DNS management, determining how long a DNS record remains cached on resolving name servers.

TTL (Time To Live)

What is TTL (Time To Live)?

Time To Live (TTL) is a critical aspect of DNS management, determining how long a DNS record remains cached on resolving name servers. When a domain is queried, the resolving server retrieves DNS records containing information like IP addresses, storing them for a specific period based on the TTL value set by the domain owner.

The TTL value, measured in seconds, ranges from minutes to days and affects how quickly DNS changes propagate globally. A shorter TTL refreshes records more frequently, while a longer TTL reduces queries but delays changes.