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https://github.com/andwati/dns-resolver.git
synced 2026-10-18 02:32:52 +00:00
send the request to a name server and dump the response out.
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@@ -1 +1,39 @@
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package main
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import (
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"fmt"
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"github.com/andwati/dns-resolver/internal/dns"
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"github.com/andwati/dns-resolver/internal/network"
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"log"
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)
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func main() {
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domain := "dns.google.com"
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header := dns.DNSHeader{
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ID: dns.GenerateRandomID(),
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Flags: 0x0100,
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QDCount: 1,
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}
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question := dns.DNSQuestion{
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QName: domain,
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QType: dns.QTypeA,
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QClass: dns.QClassIN,
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}
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message := dns.DNSMessage{
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Header: header,
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Question: question,
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}
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serializedMessage := message.Serialize()
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response, err := network.SendDNSQuery(serializedMessage, network.DefaultServer)
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if err != nil {
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log.Fatalf("Error sending DNS query: %s", err)
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}
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fmt.Printf("DNS Response: %x\n", response)
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}
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