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I know there are expiry times for the dns records. But what are they called? Where re they stored? Are they different for each country?

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You seem to be conflating at least 2 concepts (DNS TTL and Registrar Transfers). Which are you asking about? Please rewrite your question to be clear and specific. –  voretaq7 Oct 6 '11 at 15:30
    
Well, during a transfer the dns is updated. So it's related? –  coderama Oct 6 '11 at 15:32
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@RD. Are you referring to transferring to a new registrar? A registrar transfer can be done without changing name servers or zone files. Please give specific details regarding the situation you're trying to resolve. –  Shane Madden Oct 6 '11 at 16:04
    
I mean, that the nameservers of doamin ABC.com is set to ns1.ABC.com and ns1.ABC.com .... .(abc being sample domain). I update it to ns1.newdomain.com and ns2.newdomain.com. What time will it take propogate. Exactly....... –  coderama Oct 7 '11 at 0:33
    
Accept rate... I'm not sure? I just joined serverfault today? Am I not answering questions or something? Or not answering questions as answereD? –  coderama Oct 7 '11 at 0:34

1 Answer 1

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  1. Expire time and TTL is slightly different topics in hostmaster's world.
  2. You asked about TTL. TTL (TimeToLive) define (as name states), how long properly configured 3-party DNS-server will store received information in own cache, answer to clients with this data and will not forward request to external world.
  3. TTL linked with every RR in zone and stored in file (or other source) with zone definition. Default TTL defined in SOA RR and apply to all data without RR-specific TTL inside zone

  4. Your this question poorly related with "domain-transferring" tag

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