The official internet country code for South Africa is .za (managed by ZADNA ).
In the South African context, "ss" almost exclusively refers to and its administering agency:
If you found the link ss.in3x.net or similar on social media claiming to be a "guide" for government grants, exercise extreme caution. Scammers often use unofficial domains to mimic government services for phishing. Always use the official SASSA website for social security matters.
in3x.net is a registered domain that has been active since August 2021. It is noted for being among the top 1,000 most popular sites in certain web performance datasets, such as Google's Chrome User Experience Report (CrUX).