Currently implements a simple (incomplete) DNS stub resolver in Rust.
# Basic, defaults to querying 1.1.1.1 for an A record
cargo run -p dns_resolver -- example.com;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 47960
;; flags: qr rd ra ; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;; example.com. IN A
;; ANSWER SECTION:
;; example.com. 80158 IN A 93.184.216.34
# Full, call specified DNS server for an AAAA record
cargo run -p dns_resolver -- -s 1.1.1.1 -r AAAA example.com;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 38584
;; flags: qr rd ra ; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;; example.com. IN AAAA
;; ANSWER SECTION:
;; example.com. 82169 IN AAAA 2606:2800:220:1:248:1893:25c8:1946