How can I make a domain point to two IP addresses (for failover)

We are chaning internet connections, and host our own web server.   I dont want to take the change of waiting 24 hours for  DNS change to propogate.   How can I make a subdomain point to both the old/current and new address for the web server, so that once we are up on the new address, people can definitely reach it?

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In the zone file for the domain add an A record for each IP

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XetroximynAuthor Commented:
So just have two A records for the same subdomain, each pointing to a different IP?  And that will make peoples browsers automatically hunt to the next IP if the first does not work?

XetroximynAuthor Commented:
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