How can I lower the TTL value in Plesk?
1. Login to Plesk.
2. Click on Domains.
3. Click on the domain for which you wish to lower your TTL.
4. Click on DNS Settings.
5. Click on SOA Record.
6. Set the desired TTL value.
TTL, or Time-to-Live, is the length of time for when a zone file is set to expire. This is usually expressed in number of seconds.
If you ask your local DNS server (usually provided by your ISP) for an Internet address, the server will figure out where to find an authoritative answer. Once provided the answer, it will keep the answer in a local cache so that if you, or someone else, ask for the same address again it will not need to make the request again.
When domain administrators configure their DNS records, they decide how long the records should remain in remote caches. Typically, a remote server will only cache those records for the length of time specified by the TTL. After that, the remote server will remove the zone file from its local cache and ask again for an authoritative answer. Due to this, shorter TTLs can cause heavier loads on an authoritative nameserver.
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