If you request a domain to be used in publicly-trusted certificates issued by QuoVadis you are presented with several choices to validate control of the domain. This may apply to SSL/TLS certificates, or end user certificates including email addresses, such as S/MIME certificates.
QuoVadis=00000000-0000-0000-0000-000000000000
http://example.com/.well-known/pki-validation/fileauth.txt or http://www.example.com/.well-known/pki-validation/fileauth.txt
To verify control of the Domain, please add the RandomValue in a file in the .well-known/pki-validation/fileauth.txt directory of your webspace:
http://example.com/.well-known/pki-validation/fileauth.txt or http://www.example.com/.well-known/pki-validation/fileauth.txt
Note: The Random Value must be in a txt file named “fileauth.txt”. The address must not include the Random Value itself.
The Random Value is valid for 30 days, and validation must reoccur according to the applicable requirements of the certificate type (detailed in Section 4.2.1 of the Baseline Requirements or Section 11.14.3 of the EV Guidelines).