Deep dive on Vinh Phamhttps://vinhdata.com/tags/deep-dive/Recent content in Deep dive on Vinh PhamHugo -- gohugo.ioenVinh PhamSun, 11 Oct 2026 00:00:00 +0000How a dangling DNS record let a stranger serve my domainhttps://vinhdata.com/writing/2026/dangling-dns-github-pages-domain/Sun, 11 Oct 2026 00:00:00 +0000https://vinhdata.com/writing/2026/dangling-dns-github-pages-domain/Four A records left pointing at GitHub Pages and an unverified domain let any GitHub account serve a page on vinhdata.com. How to check yours and close it.