100,000 DNSSEC Domain Names For .CH

Author:Mr David Taylor and Jane Seager
Profession:Hogan Lovells

SWITCH, the Registry responsible for running the .CH country code Top Level Domain (ccTLD), recently announced that in late December 2019 some 100,000 .CH domain names had been registered using Domain Name System Security Extension (DNSSEC). Although the percentage of .CH domain names that are registered with DNSSEC is below 5%, the number of domain names registered with DNSSEC increased by 54% over the course of 2019.

DNSSEC was designed and implemented as a response to the inherent security vulnerabilities in the way that the Domain Name System (DNS) operates. Due to these inherent vulnerabilities, it is possible to divert Internet users away from intended website destinations, redirecting users to third party websites without their knowledge. This can result in the dissemination of computer viruses, malware and even theft of sensitive financial and personal data.

DNSSEC seeks to mitigate the risk of harm to Internet users by introducing additional security at the level of the domain name servers, which ensures that Internet users are alerted to any possible redirection to third-party websites that are not their intended online destination. This additional layer of security aims protect websites associated with .CH domain names from online attacks.


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