dnssecuritytxt census, Sep 7: 216 domains now publish a security contact in DNS, net +20 for the week.

New since our last update: one.com and 19 more group.one brands (including WP Rocket, Imagify and Hostnet), @defcon's own instance defcon.social, Concordia University of Edmonton, Skatteverket (the Swedish Tax Agency) and Steno (court reporting tech).

One TXT record tells researchers where to report a vuln on your domain. Five minutes: https://dnssecuritytxt.org