Ubiquity. DNS is among the most widely deployed
services on the Internet. Eectively every Internet-
connected client supports name resolution, and has ac-
cess to the DNS when connected.
Reach. As such a critical part of the Internet's infras-
tructure, and unlike TCP, HTTP and similar proto-
cols, DNS tends not to be manipulated by middleboxes
other than modied DNS servers themselves [3, 4].
Security. The DNSSEC security extensions have re-
cently been deployed on the live root servers [1]. DNSSECprovides origin authentication and integrity protection
for DNS records, and (along with SSL) represents one
of the two global public key infrastructures.
Ubiquity. DNS is among the most widely deployedservices on the Internet. E ectively every Internet-connected client supports name resolution, and has ac-cess to the DNS when connected. Reach. As such a critical part of the Internet's infras-tructure, and unlike TCP, HTTP and similar proto-cols, DNS tends not to be manipulated by middleboxesother than modi ed DNS servers themselves [3, 4]. Security. The DNSSEC security extensions have re-cently been deployed on the live root servers [1]. DNSSECprovides origin authentication and integrity protectionfor DNS records, and (along with SSL) represents oneof the two global public key infrastructures.
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