Forum Discussion
What is the domain "nrb.footprintdns.com"??
The domain nrb.footprintdns.com is owned by Microsoft and represents servers in Microsoft datacenters. It is used for telemetry purposes that comply with Microsoft privacy commitments that you can read about at: https://products.office.com/en-us/business/office-365-trust-center-privacy. Data sent to this domain is used to identify network connectivity and performance issues and to support improvements to the service. We have plans to rename it to be more descriptive, and to publish it at the Office 365 IP Address and URL publishing site at http://aka.ms/o365ip. If you have any problems using Office 365 related to this, please raise a support incident so that we can assist at https://support.office.com/
How can I disable and/or opt-out of this service?
Our SharePoint implementation is extremely slow. Hundreds of files are downloaded on every request, many of them unnecessary, and this represents a large portion of them. I'm trying to speed up the user experience. Please do not respond by saying it is a necessary feature, or that it doesn't affect our site, because both of those responses would be wrong and unhelpful.
Thank you.
If you are getting that kind of problem, it sounds like your caching policies aren't quite right.
I just did a quick test loading a SharePoint document library and I got just 83k transferred. A 100 or so requests.
The issue raised here wasn't a performance one but an identification and security issue which Microsoft have finally answered.
However, I can say that I blocked this domain for quite a long time and didn't see any issues.