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A message to Virgin UK Broadband ISP customers
It came to my attention recently that customers of Virgin Broadband in the UK were not able to access the Brightpoint GB Blog.
Elementary troubleshooting revealed an inability to resolve the domain via DNS: browsing directly to the site's IP addresses (62.189.60.252) worked no problem.
It transpires that Virgin have made the bold move to require all DNS responses to their servers to support the DNSSEC "standard". DNS is the Domain Name System and is the mechanism by which "friendly names", ie "blog.brightpointuk.co.uk" are translated to IP addresses (62.189.60.252 in the case of the blog) which computers can understand.
DNSSEC is a revision of the DNS protocol which requires that all responses to DNS queries be digitally signed to prove that the response is indeed coming from the DNS server that is authoritative for the queried domain, in the same way that SSL certificates guarantee the identity of secure web sites.
The DNS servers providing name resolution services for the Blog did not support the DNSSEC service, which is why Virgin refused to provide name resolution for the domain.
The DNS servers have now been upgraded to support the new DNSSEC standard and I have had access to the blog site independently confirmed from Virgin UK customers.
Welcome back!
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