Introduction

A hosting migration can move the primary website successfully while a parked domain still opens the old site. The main domain may already load from the new server, but the parked or alias domain continues following an older association on the previous platform, default vhost, or redirect layer.

Treat this as a domain-association problem instead of a general DNS failure. Start by checking how the parked domain is attached on the destination platform, because parked domains often survive migrations with different mappings than the main site.

Symptoms

  • A parked domain still opens the old site after migration
  • The primary domain loads correctly, but the alias or parked domain shows legacy content
  • One domain in the same account works while another still reaches the previous server
  • The parked domain lands on a default page, wrong account, or old website copy
  • DNS looks mostly correct for the main domain, but alias-domain behavior is still wrong
  • The issue started after account transfer, hosting replacement, or parked-domain cleanup

Common Causes

  • The parked domain was not attached to the new account correctly
  • The old server still has the parked-domain mapping and continues answering traffic
  • Alias or parked-domain configuration differs between the old and new hosting platforms
  • The destination server falls back to the wrong virtual host for the parked domain
  • A redirect or forwarding rule still controls the parked domain outside the new site config
  • Migration validation focused on the main domain and skipped alias-domain testing

Step-by-Step Fix

  1. Test the parked domain directly and identify the exact hostname, IP path, certificate, and content it reaches, because you need to know whether the wrong behavior comes from DNS, host mapping, or a redirect.
  2. Compare the parked domain’s DNS with the primary domain and confirm both point to the intended platform, because parked-domain issues often survive when only the main hostname was validated.
  3. Check how the parked or alias domain is attached on the destination hosting platform, because the main site can be correct while the alias domain still lacks the proper mapping.
  4. Verify whether the old server still has an active parked-domain association for that hostname, because a reachable legacy mapping can keep serving the old site after migration.
  5. Review redirect rules, forwarded-domain settings, and default vhost behavior for the parked domain, because one upstream association can override the new site even when DNS points correctly.
  6. Update the parked-domain attachment at the real source of the mismatch and retest the exact alias hostname, because changing only the primary domain setup will not fix a separate alias mapping.
  7. Compare results from a clean browser session and more than one network, because cached redirects and partial propagation can make the parked domain look inconsistently fixed.
  8. Confirm the parked domain now reaches the intended new site and not just a generic server page, because the true fix is correct alias behavior on the destination platform.
  9. Document every parked, alias, and forwarded domain tied to the account, because secondary domain mappings are easy to miss during future hosting migrations.