Linode DNS propagation time

We're having problems with Linode DNS propagation time to the public internet. Please see the discussion on certbot on github
Can anyone from the linode staff please provide some clarifications as to how long it takes for DNS changes to be visible from the public internet.

2 Replies

Greetings @trinopoty,

The DNS propagation time for our name servers is 30 minutes. The timing could vary up to 48 hours to propagate across the entire web. A way you can diagnose if this is a DNS caching issue or misconfiguration is by running dig with the following option.

$ dig +trace www.yourdomain.com

Best,
Preston
Linode Support Team

Thanks for the update.
The linode DNS dashboard has the line "Changes made to a master zone will take effect in our nameservers every quarter hour.", so, I was under the impression that any changes will be visible after 15 minutes at max. Is there another point of delay in the system that's adding the other 15 minutes?

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