Check/Change Password, Username, Email in database:
– The password is encrypted and stored in the database in the users table. To reset password, review https://wordpress.org/support/article/resetting-your-password/
– Username is also stored in the users table. To change username, click the edit button (the pencil icon) next to your user and change what is entered into the user_login field. – To change the email address for the admin user account, click the edit button (the pencil icon) next to your user and change what is entered into the user_email field.
– Backup: If you haven’t already done, always backup everything (including your database) before doing any actions, just in case something really goes wrong. You can never have enough backups! See https://wordpress.org/support/article/wordpress-backups/
So Even when i go to mysite.com/wp-admin it says the site can not be reached
Looks like your site is down. Maybe contact your host?
DNS check indicates A Record ERROR for http://www.themadcoder.com!” You need to look at your DNS and create an A record pointing to the IP address of your host. You do this via your domain registrar.