Devon timeouts/unable to connect

On pageLinkProblemDetected
http://genuki.cs.ncl.ac.uk/DEV/DevonContents.html- - - - - - - - - - -Richard Hooker http://dsnell.zynet.co.uk/Guides/Hooker.htmlCant connect to dsnell.zynet.co.uk:80 (Bad hostname)1 May 2015
http://genuki.cs.ncl.ac.uk/DEV/DevonContents.html- - - - - - - - - - - - -Lives of the Bishops of Exeter http://dsnell.zynet.co.uk/bishops.htmlCant connect to dsnell.zynet.co.uk:80 (Bad hostname)1 May 2015
http://genuki.cs.ncl.ac.uk/DEV/DevonContents.html- - - - - - - - - - - - -From Exeter Cathedral Web-Site http://dsnell.zynet.co.uk/Guides.htmlCant connect to dsnell.zynet.co.uk:80 (Bad hostname)1 May 2015
http://genuki.cs.ncl.ac.uk/DEV/DevonContents.html- - - - - - - - -Lydford History http://www.lydfordparishcouncil.co.uk/lydfordhistory.htmCant connect to www.lydfordparishcouncil.co.uk:80 (Bad hostname)1 May 2015
http://genuki.cs.ncl.ac.uk/DEV/DevonContents.html- - - - - - - - -Virtual Victorians http://victorians.swgfl.org.uk/Cant connect to victorians.swgfl.org.uk:80 (Bad hostname)25 May 2015
http://genuki.cs.ncl.ac.uk/DEV/Exeter/Cathedral/index.htmlLives of the Bishops of Exeter http://dsnell.zynet.co.uk/bishops.htmlCant connect to dsnell.zynet.co.uk:80 (Bad hostname)1 May 2015
http://genuki.cs.ncl.ac.uk/DEV/Exeter/Cathedral/index.htmlExeter Cathedral Guides http://dsnell.zynet.co.uk/Guides.htmlCant connect to dsnell.zynet.co.uk:80 (Bad hostname)1 May 2015
http://genuki.cs.ncl.ac.uk/DEV/Exeter/ExeterGen.htmlRichard Hooker, Prophet of Anglicanism, and son of Exeter http://dsnell.zynet.co.uk/Guides/Hooker.htmlCant connect to dsnell.zynet.co.uk:80 (Bad hostname)1 May 2015

8 problems found.