Why is my online store's domain not working?

I’m having trouble with my store. The domain is no longer working and I confirmed my email from the message I was sent.

Hi,
Consider sending an email to merchant support, they can look into the account.
Contact page link: https://help.shopify.com/en/questions#/contact/

If the link keeps redirecting to the home page, try opening the link in Chrome Incognito mode.