Website does not shows

hi
i did add around 5 to 8 website but when i cleared all the cookies from my laptop and sing in Cloudflare my all the website does not show there . so can anyone help me what should i do to get back all my website
thanks in Advance

Please check the DNS status your domain using dnschecker.org

Make sure you’re actually seeing Cloudflare nameservers everywhere for NS test and also test A record for all hostnames such as example.com, www.example.com, sub.example.com. If A record IP missing you may need to add manually.