Add in the following servers:
- ntp-a.anycast.wmnet
- ntp-b.anycast.wmnet
- ntp-c.anycast.wmnet
After the bake in for a day, remove the following:
- ntp.anycast.wmnet
- dns1004.wikimedia.org
- dns1005.wikimedia.org
- dns1006.wikimedia.org
- dns2004.wikimedia.org
- dns2005.wikimedia.org
- dns2006.wikimedia.org
Update iptables/firewall rules as necessary for the migration.