If you are worried about your own credentials, monitor your accounts via security apps and enable two-factor authentication (2FA).
The term robots.txt refers to a search engine crawling file, not a list of valid emails, as explained in the Google Robots.txt Guide . Download 201k Valid Mail Access txt
For your safety, , as they are frequently used for phishing, malware distribution, or selling stolen account data. Helpful & Safe Alternatives: If you are worried about your own credentials,