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Get the BBS Scene Vibes back with Neon Modem Overdrive
(xn--gckvb8fzb.com)
This is a most excellent place for technology news and articles.
I think its just the ASCII chars for his website domain.
Example: https://xn--gckvb8fzb.com/get-the-bbs-scene-vibes-back-with-neonmodem-overdrive/images/neonmodem.gif
It's called punycode. It's just a way of encoding non ASCII characters in a URL.