Hi,
it is truly interesting. So what does smtp.virgin.net and pop.virgin.net resolve on their machines? Does it also resolve to the reversed ip address?


nslookup smtp.virgin.net

Non-authoritative answer:
Name:    smtp.virgin.net
Address:  62.254.26.209


nslookup pop.virgin.net

Name:    pop.virgin.net
Address:  62.254.26.201