Hi @Anonymous User
You could try this broadband outage checker tool in the link below.
Please note it will only detect major outages and not individual issues.
http://www.homeandbusiness.openreach.co.uk/help-support/local-network-status-checker
Also, have you tried a soft reboot or a full reset by pressing the button on the back of your router.
If still no luck then contact the NowTV broadband team for further assistance.
