Brave says a site is not available, and offers retry from wayback machine, but later the site is loaded

Description of the issue: Brave says that www.resultados.gob.ar is down, and offers retry from wayback machine, but later the site is loaded

**Steps to Reproduce (add as many as necessary): 1. Enter to www.resultados.gob.ar and wait until the page is loaded, although Brave says that it is not available

Actual Result (gifs and screenshots are welcome!): Brave says that www.resultados.gob.ar is not available, and offers retry from wayback machine, but later the site is loaded

Expected result: Brave should not says that www.resultados.gob.ar is down

Reproduces how often: Ever

Operating System and Brave Version(See the About Brave page in the main menu): Windows 10 x64 20h2 - Brave 1.29.79

Additional Information:

Still happening with Brave 1.29.80