Spamhaus Botnet threat update: Most abused domain registrars, Q1 2021


Namecheap After years of being #1 in this Top 20, Namecheap (US) continues to be the preferred domain registrar for miscreants registering botnet C&C domains.

Spamhaus believes that given the long history of abuse at Namecheap, this won’t change any time soon.

Eranet International & RegRU With a massive 249% increase, Eranet International (China) knocked NameSilo (United States) off its #2 spot. However, the most significant increase in the number of botnet C&C domain registrations belongs to RegRU (Russia), with a whopping 341% increase.

See here the most abused top-level domains, Q1 2021.

Most abused domain registrars – number of domains

You can read the complete Spamhaus report here.

Download the Spamhaus Botnet Report 2021 Q1 as PDF


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