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.com and NameSilo fingered as “most-abused” after numbers rocket

Kevin Murphy, July 15, 2021, 12:07:55 (UTC), Domain Registrars

SpamHaus has revealed the most-abused TLDs and registrars in its second-quarter report on botnets.

The data shows huge growth in abuse at Verisign’s .com and the fast-growing NameSilo, which overtook Namecheap to top the registrar list for the first time.

Botnet command-and-control domains using .com grew by 166%, from 1,549 to 4,113, during the quarter, SpamHaus said.

At number two, .xyz saw 739 C&C domains, up 114%.

In the registrar league table, NameSilo topped the list for the first time, unseating Namecheap for the first time in years.

NameSilo had 1,797 C&C domains on its books, an “enormous” 594% increase. Namecheap’s number was 955 domains, up 52%.

Botnets are one type of “DNS abuse” that even registrars agree should be acted on at the registrar level.

The most-abused lists and lots of other botnet-related data can be found here.


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