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DNS

how-does-dns-work.gmi

dns-server.gmi

Bedtime Reading

RFC 952 "DOD INTERNET HOST TABLE SPECIFICATION"
RFC 1035 "DOMAIN NAMES - IMPLEMENTATION AND SPECIFICATION"
RFC 1123 "Requirements for Internet Hosts -- Application and Support"
RFC 2181 "Clarifications to the DNS Specification"
RFC 5890 "IDNA: Definitions and Document Framework"
RFC 5891 "IDNA: Protocol"
RFC 5892 "The Unicode Code Points and IDNA"
RFC 5893 "Right-to-Left Scripts for IDNA"
RFC 5894 "IDNA: Background, Explanation, and Rationale"
RFC 5895 "Mapping Characters for IDNA 2008"

External

tunnel IPv4 through DNS

DNSSEC is perhaps too complicated, though one can workaround the issue by first doing sanity checks on the input. So much for "be permissive in what you accept":

DNSSEC packet DoS

tags #dns