on 27-08-2019 15:23
on 27-08-2019 15:23
looks like the main homepages are down, returning a HTTP 502 bad gateway error at the time of writing
https://www.cityam.com/online-banking-outage-natwest-and-rbs-websites-down/
However, you can apparently still use online banking and the mobile app apparently, fortunately their online banking systems have their own domain and have listed them here for your convenience.
NatWest www.nwolb.com
You can (and should) check the certificate on the site which should be the Royal Bank of Scotland Group (GB), screengrab from desktop version of Firefox
on 27-08-2019 17:39
Thanks for the heads up @Anonymous