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rscaramelo 3 Oct 2017 11:01 AM

DNS settings?
 
"Important! DNS settings will only take effect if you point your nameservers to
FastMail. Learn more."

Thought I did this correct but apparently not. Using google domains. Help?

BritTim 3 Oct 2017 12:23 PM

How long did you wait after changing the nameservers before testing? Redirection of the DNS is not instant. Also, have you gone back to check that the nameservers change actually stuck, and did not fail to take affect because a confirmation was omitted or something?

n5bb 8 Oct 2017 03:18 AM

Each DNS setting has an associated Time To Live (TTL) value (specified in seconds). The TTL value tells any process which needs to use a DNS entry how long that particular entry can be cached. So if the TTL value is 86400 (one day) for a DNS entry (NS, MX, A, etc.), any changes you make might be ignored for one full day due to caching.

Bill

jtmusson 9 Oct 2017 06:24 PM

There's a website you can use to check whether DNS changes have propagated around the world:

https://www.whatsmydns.net

Handy to check or confirm that any DNS record changes you've made have propagated. This will illustrate the TTL delay in action.


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