While many of you know ISC as the maintainer of the BIND DNS server software, we have always had our hand in the DNS operations field, including operating one of the 13 DNS root servers (F.ROOT-SERVERS.NET), as well as secondaring many ccTLD and non-commercial zones for over a decade. ISC has also been at the forefront of designing and implementing DNS Security Extensions (DNSSEC) which is a mechanism to cryptographically verify that the response given to a DNS request is correct.
