Anatomy of a Linux DNS Lookup – Part I
https://zwischenzugs.com/2018/06/08/anatomy-of-a-linux-dns-lookup-part-i/
Anatomy of a Linux DNS Lookup – Part II
https://zwischenzugs.com/2018/06/18/anatomy-of-a-linux-dns-lookup-part-ii/
Anatomy of a Linux DNS Lookup – Part III
https://zwischenzugs.com/2018/07/06/anatomy-of-a-linux-dns-lookup-part-iii/
Anatomy of a Linux DNS Lookup – Part IV
https://zwischenzugs.com/2018/08/06/anatomy-of-a-linux-dns-lookup-part-iv/
Anatomy of a Linux DNS Lookup – Part V – Two Debug Nightmares
https://zwischenzugs.com/2018/09/13/anatomy-of-a-linux-dns-lookup-part-v-two-debug-nightmares/