I saw on twitter that some users speculated that this error was due to increased load. This site seems to confirm that it's actually a country block: https://a

I saw on twitter that some users speculated that this error was due to increased load. This site seems to confirm that it's actually a country block: https://admin.cowin.gov.in/ https://admin.cowin.gov.in/ As schoen mentions, an India-based IP would likely get around this.