Hi @Anuar
checking your domain your certificate is expired - https://check-your-website.server-daten.de/?q=amaboxly.com
CN=amaboxly.com
26.01.2020
25.04.2020
0 days expired amaboxly.com, www.amaboxly.com - 2 entries
What does that mean? You have to create a new certificate. But your options are unknown. Read
Perhaps you have to create the validation file manual.