Wordpress Multiple domains

Hello experts.
I need help for a solution i need and i m very new to wordpress and php (i was writing until now custom cfm code).
One of my customer is owner of a website like  "mainwebsite.com".
He is owner of multiple domains like too:
domain1.com, domain2.com, domain3.com....

I need a simple solution so that each of these domains will show a different html page that will redirect after several seconds to his mainwebsite.
I must say that i have no access at all to the mainwebsite.com files.
I suppose i have to host all domain1/2/3.... to another hoster/account.
Wich is the best way to do this using wordpress?(if there is any)

thank you in advance
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Doesn't matter where you host it. Just put a page on each domain with the META REFRESH tag of xx seconds.

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PanosAuthor Commented:
You mean i should handle seperate each domain instead all together.
Yes, you also said you wanted a DIFFERENT HTML page on every domain anyway.
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PanosAuthor Commented:
Ok. Thank you very much for your help.
PanosAuthor Commented:
Thank you again
PanosAuthor Commented:
Sorry for coming back.
Can i use the way of using add-on domain in c-panel?
Please open a new question. And be more specific and more detailed with your question. Currently, I have no idea what you mean with your last question.
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