CNAMES issue on IIS

Greeting,

I have a win2008 server which running IIS and say the server IP(i.e 172.5.5.5) was registered with myname.com, and I also have other CNAMES like myname1.com and myname2.com registered for the same IP. Now I need to re-register myname.com to another IP. is there anyway that I can still keep myname1.com and myname2.com continuing served by the IP 721.5.5.5?

Please provide detailed instructions.
Thanks.
mrongAsked:
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becraigCommented:
CNAME records point to a dns name, if you want to have those names point to the old IP then create new A records pointing them there and delete the old cname record pointing them to myname.com.

Here is some info no how cnames work:
http://help.dnsmadeeasy.com/spry_menu/cname-record/
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mrongAuthor Commented:
I think I missed something... the myname.com will be set up on another server and register with a new IP address...
Please let me know if the following steps will work in my case.

1. delete the records for myname.com to the old IP (172.5.5.5) and make default site as  myname1.com  
2. create a new records for myname1.com  to the old IP and keep myname2.com  there
3. register myname.com with the new IP
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becraigCommented:
Ok I think I know what you want to do:

Keep the current site up until the new new server is up and running ?

If so then simple:
Step 1 create a new A record for
myname1.com pointing to 172.5.5.5
Step 2 create a CNAME for myname.com pointing to myname1.com
Step 3 create a CNAME for myname2.com pointing to myname1.com
Step 4 Delete the CNAME for myname.com
Step 5 create a new A record for myname.com pointing to the new IP
Step 6 (If needed) change the CNAME for myname1.com & myname2.com to point to the new site myname.com
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mrongAuthor Commented:
step 6 won't be necessary since myname1.com & myname2.com will stay on the old server(172.5.5.5)
my old server has server name myname. Do I need to change it to myname1during the changes?
Thanks.
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becraigCommented:
Without a better idea of what your environment is like, this is hard to answer.

However if this is just  website, there should no need to change the server name.
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becraigCommented:
Do you need any further help on this, or did you get the answers you needed ?
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