Thanks for your answer, I appreciate it. I will clarify. So if you go to this website: https://thinktankev.com/ and click on the member portal, it will go to https://thinktankev.officernd.com/ This is what I mean. And when I look at the backlink profile of officernd.com in Semrush, these backlinks appear. Source: almost 2 years ago

For people who don't have an account we want to enable access to this client's OfficeRND webpage, where they can create an account with which to login on the captive portal. In order to enable this I've added both officernd.com as well as their specific subdomain (for example business.officernd.com) added to the Pre-Authorization Access list. The general officernd.com website seems to load, but the whole website... Source: about 3 years ago

Hey HN! I am asking out of genuine curiosity, and perhaps doing a little market research. My team uses https://www.donut.com/ and https://officevibe.com/ but I'm pretty sure we're on the free tier for both. Do you work in a team that pays monthly for any cool Slack apps or integrations? Which ones? If you're not the one paying, do you find it useful - or annoying? Cheers! - Source: Hacker News / over 1 year ago

Officevibe, which is an employee experience platform, regularly sends out Slack notifications on behalf of their customers asking employees to complete a brief survey. Their engineering team utilizes the Automations API to create lists of users for whom the Slack survey could not be delivered and send them an email survey instead. - Source: dev.to / about 2 years ago