Europe's first geostationary sounder satellite is launched

I think this is the first time I have seen the .int tld used.

It isn't super popular, no. I think the requirements are pretty strict if I remember correctly (edit: https://www.iana.org/domains/int/policy).

I think esa.int is probably one of the more popular .int domains on HN: https://news.ycombinator.com/from?site=esa.int