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Is there any way to determine if my DNS provider actually use the TTL setting I provide?

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  • Do you mean "I have put a set of RRs into my DNS providers website, including TTLs, how can I confirm that the provider is exporting those TTLs to the world unchanged"?
    – MadHatter
    Apr 22, 2012 at 20:41
  • @MadHatter Yes, that is exactly what I mean. Apr 22, 2012 at 20:53
  • Then dig is your friend, as Tutul has already said. You should substitute your domain for gmail.com, and your nameservers in turn for ns1.google.com.
    – MadHatter
    Apr 23, 2012 at 5:55

2 Answers 2

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$dig @ns1.google.com +nocmd gmail.com A +noall +answer

gmail.com.      300 IN  A   74.125.235.53
gmail.com.      300 IN  A   74.125.235.54

the second column here is the TTL value (300)

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The website http://www.mxtoolbox.com/ can tell you that information.

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