404. That’s an error.
The requested URL /_/+1/confirm?hl=ja&url=https://f35.tokyo/2020/09/14/vopfqglklpu-21/ was not found on this server. That’s all we know.
/_/+1/confirm?hl=ja&url=https://f35.tokyo/2020/09/14/vopfqglklpu-21/