recursor
A WIP tiny dns server
This is a research project to learn more about dns and how it works. it is not intended to be used.
TODO:
- Caching
- DNSSEC
- EDNS
Example use
dig @127.0.0.1 -p 2053 nathanielfernandes.ca
; <<>> DiG 9.16.1-Ubuntu <<>> @127.0.0.1 -p 2053 nathanielfernandes.ca
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 30913
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;nathanielfernandes.ca. IN A
;; Query time: 80 msec
;; SERVER: 127.0.0.1#2053(127.0.0.1)
;; WHEN: Mon Jun 05 01:15:11 EDT 2023
;; MSG SIZE rcvd: 39
server output:
Received query for google.com A
Looking up google.com A from 198.41.0.4
Looking up google.com A from 192.5.6.30
Looking up google.com A from 216.239.34.10
Received query for google.com A
Looking up google.com A from 198.41.0.4
Looking up google.com A from 192.5.6.30
Looking up google.com A from 216.239.34.10
Received query for nathanielfernandes.ca A
Looking up nathanielfernandes.ca A from 198.41.0.4
Looking up nathanielfernandes.ca A from 185.159.196.2
Looking up nia.ns.cloudflare.com A from 185.159.196.2