[{"data":1,"prerenderedAt":84},["ShallowReactive",2],{"content:\u002Fglossary\u002Fdns-ttl":3,"related:\u002Fguides\u002Fexpired-domain-how-to-recover,\u002Fguides\u002Fssl-certificate-expired-how-to-fix,\u002Fglossary\u002Frdap":73},{"id":4,"title":5,"body":6,"category":56,"description":57,"extension":58,"faq":59,"h1":60,"meta":61,"navigation":62,"path":63,"published":64,"readingMinutes":65,"related":66,"seo":70,"stem":71,"updated":64,"__hash__":72},"glossary\u002Fglossary\u002Fdns-ttl.md","What is DNS TTL?",{"type":7,"value":8,"toc":48},"minimark",[9,13,18,21,25,28,32,35,39],[10,11,12],"p",{},"DNS TTL, or time to live, is a number of seconds attached to a DNS record. It tells resolvers how long they may keep the answer before asking again.",[14,15,17],"h2",{"id":16},"why-do-dns-changes-seem-slow","Why do DNS changes seem slow?",[10,19,20],{},"When you change a record, resolvers around the world keep serving the old answer until their cached copy expires. That is what people call propagation. A record with a TTL of 3600 can be served from cache for up to an hour after you change it.",[14,22,24],{"id":23},"what-ttl-should-i-use","What TTL should I use?",[10,26,27],{},"Common values run from a few minutes to a day. A short TTL such as 300 seconds helps when you plan to move a site or switch a provider, because the change reaches visitors quickly. A longer TTL reduces lookups for records that rarely change.",[14,29,31],{"id":30},"how-does-this-relate-to-expired-domains-and-certificates","How does this relate to expired domains and certificates?",[10,33,34],{},"After a domain lapses and is renewed, or after a validation record changes, cached answers can delay recovery for some visitors. Lowering the TTL before a planned change is a cheap precaution.",[14,36,38],{"id":37},"where-datumboard-fits","Where Datumboard fits",[10,40,41,42,47],{},"Datumboard puts the signals behind this in one dashboard for your client sites and side projects. It is in early access, and you can ",[43,44,46],"a",{"href":45},"#early-access","join the list below",".",{"title":49,"searchDepth":50,"depth":50,"links":51},"",2,[52,53,54,55],{"id":16,"depth":50,"text":17},{"id":23,"depth":50,"text":24},{"id":30,"depth":50,"text":31},{"id":37,"depth":50,"text":38},"Domains","DNS TTL is how many seconds resolvers may cache a record before asking again. Learn how it affects site moves and why DNS changes seem slow.","md",[],"What is DNS TTL (time to live)?",{},true,"\u002Fglossary\u002Fdns-ttl","2026-10-12",3,[67,68,69],"\u002Fguides\u002Fexpired-domain-how-to-recover","\u002Fguides\u002Fssl-certificate-expired-how-to-fix","\u002Fglossary\u002Frdap",{"title":5,"description":57},"glossary\u002Fdns-ttl","VxfbOksWFPWLcffGnc4KtZks3VSdSVSPJWtHbsr3bV0",[74,78,81],{"title":75,"description":76,"path":67,"category":77},"Expired domain: how to recover it","What to do in the first hour after a domain expires, how grace and redemption periods work, what recovery costs and how to prevent a repeat.","How-to",{"title":79,"description":80,"path":68,"category":77},"SSL certificate expired? How to fix it","Visitors see a full-page browser warning. Confirm the certificate expired, renew it for your kind of hosting, verify the fix and stop it happening again.",{"title":82,"description":83,"path":69,"category":56},"What is RDAP?","RDAP is the modern, structured replacement for WHOIS. Learn how it works, what a domain record contains and why some registries show no expiry date.",1791830037062]