Subdomain suddenly appears along with domain in Help

edited October 2015 in Help
Could anyone help me please?
When I searched Google my website, I suddenly saw that it appeared with the subdomain, not the main domain. It worked normally before, and I've not touched it. Please help me check and change it back.

http://www.tinhthong.vn
http://www.congnghe.tinhthong.vn/

This seems to be related to alias, but I don't know why it is.

Thanks!
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Comments

  • Could anyone help me please?

    Thanks!
  • I would guess that your web server has both addresses enabled. Perhaps one as the ServerName and the sub-domain as the ServerAlias. Removing the alias should cause search engines to only see the base domain name as a functioning website.

    It might also be possible the sub-domain is enabled in your DNS records and removing it do you just have the main domain should fix the issue.
  • Thank you for your help. However, I don't know what to do:(
    - I use Centos and checked /etc/hosts or /etc/httpd/conf/httpd.conf and cannot see anything related to this sub-domain. Actually, I am the Admin, and I did not touch anything.
    - I checked in hosting and DNS provider and did not find this sub-domain.

  • Perhaps you should do a look-up on the sub-domain and find out why it is resolving to your server? Someone must have added the sub-domain for search engines to pick it up.

    By the way, I tried to resolve the sub-domain listed above and it comes back as unknown, but the base domain, tinhthong.com does resolve. so, perhaps as an alternative action, if the sub-domain does not exist, you should create it and redirect traffic to that sub-domain to your base domain. that way any misguided traffic will go to you as originally intended.
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