As other people have noted, the solution to this is quite simple. Several DNS hosts support using an ALIAS record. The ALIAS record is then replaced with an A r

As other people have noted, the solution to this is quite simple. Several DNS hosts support using an ALIAS record. The ALIAS record is then replaced with an A record when actually queried. Not sure which other companies support it, but http://dnsimple.com http://dnsimple.com does.