Security consideration: math symbols in an exotic IP address format in a phishing mail

Marius Spix marius.spix at
Tue May 19 13:56:06 CDT 2020

> simple.
> it isn't.
> at least not here.
> for me, pasting 𝟎𝟓𝟔𝟕𝟏𝟑𝟔𝟎𝟑𝟎𝟐 into a browser’s address bar leads to an
> http GET, not to an https one.
> (curiosity won.)
> (which comic was that where the kids were intentionally using integers
> instead of dns to asccess web sites to confuse anyonewatching them?)
> -JimC

I deliberately did not send the complete URI. But I see a problem with
spam filters, because they have to recognize a lot more variants of IP


More information about the Unicode mailing list