sublazerwlst
This is a bundle of wordlists for subdomains brute-force. Bundle includes world and Russia wordlists that based on collected data with statistic, and also some useful generated data.
axfRU
Results from DNS transfer zone research in .RU domain zone. Stat: AXFR answers for 200K+ unique domains.
crunch
Self generated wordlists for fun and profit.
sonar
Parsed subdomains from Project Sonar by Rapid7: https://github.com/rapid7/sonar/wiki (dump with 1B+ entities), february 2018.
top10k
Very useful wordlists based on top 10K most popular domains in the world and Russia from magic source.
Questions?
The popularity (frequency) of some subdomains surprised me, i double-checked the dumps and stay surprised)) For now, choose your wordlist here.