- Network Security: Domain Name System (DNS) Security, Brian Wellington. [http://www.pgp.com/research/nailabs/network-security/an-introduction.asp]
- Nominet DNSSEC Test Bed FAQ: [http://www.nic.uk/tech/dnssectest/faq/]
- Wikipedia: DNSSEC [http://en.wikipedia.org/wiki/Dnssec]
- A Fundamental Look at DNSSEC, Deployment, and DNS Security Extensions, Geoff Huston. [http://www.circleid.com/posts/dnssec_deployment_and_dns_security_extensions/]
- Wikipedia: Replay Attack [http://en.wikipedia.org/wiki/Replay_attack]
- Names Beyond: DNSSEC-FAQ [http://www.namesbeyond.com/index.php/home/dnssec_faq]
- MYNIC R&D portal on DNSSEC [http://rnd.mynic.my/dnssec/]
- .ORG: DNS Security Questions [http://www.pir.org/sell/faq/dnssec]