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


About Konstantinos Zournas

Studied Computer Engineering and Computer Science in London, UK and now living in Athens, Greece. Love domains and building websites. Went online in 1995, learned about HTML in 1996 and about domains in 2002. Started publishing the blog in 2012.

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