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Domain alias shows default Plesk page

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Miguel Monteiro
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Plesk for Windows Plesk for Linux kb: technical ABT: Group A

Applicable to:

  • Plesk for Linux
  • Plesk for Windows

Symptoms

  • A domain web-server alias (not the CNAME alias) is shown as default Plesk page:

  • Plesk DNS server is not authoritative for the web-server domain alias:

    # dig SOA alias.example.com | grep -A1 "AUTHORITY SECTION"
    ;; AUTHORITY SECTION:
    example.com 86400 IN NS somedns.local.

  • IP address of web-server alias for domain differs from IP address for the main domain:

    # dig +short alias.example.com A
    203.0.113.3
    # dig +short example.com A
    203.0.113.2 

Cause

Incorrect DNS configuration. IP address of web server alias for domain must match the IP address of the main domain.

Resolution

Access authoritative DNS server and change the A records for a domain alias so they will match the main domain's A records.

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