Site with more than just 1 domain [Permanent redirect?]

Discussion in 'Domain Names' started by nextstep, Oct 12, 2010.

  1. #1
    I've seen 1 site using more than 1 domain.
    If someone types www.12345.com it will redirect to the www.maindomain.com, but the display domain will still be showing www.12345.com.

    Does anyone know how they do it?
     
    nextstep, Oct 12, 2010 IP
  2. llc

    llc Peon

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    #2
    The domain is parked over top of the main URL.
     
    llc, Oct 12, 2010 IP
  3. nextstep

    nextstep Peon

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    #3
    And my friend told me that google search engine will penalize such domain. Is that true?
     
    nextstep, Oct 16, 2010 IP