Before Yandex introduced IKS, I managed to make a cross-section of all Runet sites on TCI.
The Titsey database was made on September 4, 2018, this is the latest data from Yandex.
The database contains .RU .РФ .SU domains
There are 5,975,832 domains in the database
TXT database format
After purchase get a link to the .zip file
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