I figured out how DMARC works, and it almost broke me | Simon Andrews
simonandrews.ca/articles/how-to-set-up-spf-dkim-dmarcHow to use SPF, DKIM, and DMARC to improve your domain's email security and limit spoofing - but written for humans.
A Surreal Trip to a Domain-Names Conference - The Atlantic
theatlantic.com/technology/archive/2017/02/domain-names-dot-horse/516438/… where misspelled URLs are auctioned off for tens of thousands of dollars. Ingrid Burrington