www.birkenheadrsa.com is the site in question.
If I try to access this site from my work computer, which uses Vodafone as an ISP, then I get a page that says "The web site above will be hosted with iSERVE but it has not been uploaded as yet." iServe is indeed the hosting company.
If I try to access this site from my home computer, which uses TelstraClear as an ISP, then the website comes up fine.
If I add a page on the end of the URL, i.e. www.birkenheadrsa.com/entertainment.php then the site comes up fine on my work (Vodafone) computer and I can navigate around the other pages just fine.
iServe think it might be a DNS issue because it works ok for them.
I've tried resetting our work router and also flushing the DNS on my computer, but that didn't help. I changed the DNS settings in my router to use Google's Public DNS (220.127.116.11 and 18.104.22.168) but that still brings up the error page and not the real site.
Can someone else that also uses Vodafone as an ISP please test the site and tell me what they get when they try to access it?
Or does anyone have any other ideas as to what the problem might be?