User-agent: *
Disallow: /?blackhole

User-agent: AhrefsBot 
Disallow: /

User-agent: ltx71
Disallow: /

# disallow all files in these directories
Disallow: /cgi-bin/
Disallow: /wp-admin/
Disallow: /wp-content/plugins/
Disallow: /autodiscover/

Sitemap: https://crestar.com.sg/sitemap_index.xml