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https://www.theregister.co.uk/2017/04/05/hackers_take_over_banks_dns_system/ https://www.theregister.co.uk/2017/04/05/hackers_take_over_b... https://en.wikipedia.org/wiki/Domain_Name_System_Security_Extensions https://en.wikipedia.org/wiki/Domain_Name_System_Security_Ex...