Updating mx records in the dns

Posted by / 15-Nov-2017 15:35

Updating mx records in the dns

Contributors: Check the Domains FAQ if you don't find what you're looking for. Get support.) After you add these records at Google Domains, your domain will be set up to work with Office 365 services.If Google Domains is your DNS hosting provider, follow the steps in this article to verify your domain and set up DNS records for email, Lync, and so on. To learn about webhosting and DNS for websites with Office 365, see Use a public website with Office 365.

The characteristic payload information of an MX record is the fully qualified domain name of a mail host and a preference value.

Note: Typically it takes about 15 minutes for DNS changes to take effect.

However, it can occasionally take longer for a change you've made to update across the Internet's DNS system.

Basically, the facility where the mail server is will be changing its IP pool and this forces me to have to change the A and MX record for the mail server.

Since I am not changing the DNS server itself (not moving the records to a different authoritative server), will the change be near instantaneous or will it still take up to 48 hours because of caching on different non authoritative DNS servers that may have queried recently?

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(The people running these systems need to die in a fire, and if I ever get elected Grand overlord of The Internet, they will).

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