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Sinodun IT

Sinodun was co-founded in 2010 by John and Sara Dickinson. The company name comes from the Sinodun Hills (also known as Wittenham Clumps), two wooded chalk hills that are a local landmark near our office in Oxfordshire. The word Sinodun derives from Celtic for Old Fort.

Dr John A Dickinson

JohnDickinsonJohn Dickinson graduated from Nottingham University and obtained his DPhil from Oxford University. He has over 15 years experience working in IT, Including several years as a systems administrator and Internet protocol researcher for Nominet UK where he was part of the team that oversaw the operation of the UK’s ccTLD infrastructure.

He specialises in DNS and DNSSEC. John was the first person to write a DNSSEC signer that used keys stored in an HSM (this code now forms part of NLNetLabs LDNS library). He was closely involved in the design and initial development of OpenDNSSEC and also responsible for adding DNSSEC support to libdkim, part of dkim-milter. He was also one of the first to demonstrate how quickly the 2008 Kaminsy attack on DNS could be performed. More recently he has been involved in developing Hedgehog, was a member of the Root KSK Key Rollover design team and currently a member of RSTEP.


Selection of past presentations available here.



Dr Sara Dickinson

Sara graduated from Cambridge University and obtained her DPhil from Oxford University. She has worked in a number of different industries over the past 15 years as a systems analyst, software developer and project manager.

Her skills include DNS/DNSSEC, Requirements Analysis, OO Analysis and Design, Agile methodologies and Test Driven Development. She was the project manager for OpenDNSSEC for two years. She is now involved in efforts to promote DNS Privacy and is a contributor to getdns.


Selection of past presentations:


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