@gibme/dns

DNS packet encoding & decoding in an abstract way

Documentation

https://gibme-npm.github.io/dns/

Features

This package is designed to encode & decode DNS packets whether they are being transmitted via:

• UDP
  • Unicast or Multicast
• TCP
• DNS over TLS
• DNS over HTTPs

Includes support for:

• Full support for Multicast DNS:
  • qu bit - Requesting unicast responses
  • flush bit - Requesting clearing of cached entries
• The following record types:
  • A
  • AAAA
  • AFSDB
  • AMTRELAY
  • AVC
  • CAA
  • CDNSKEY
  • CDS
  • CERT
  • CNAME
  • CSYNC
  • DHCID
  • DNAME
  • DNSKEY
  • DOA
  • DS
  • EUI48
  • EUI64
  • HINFO
  • IPSECKEY
  • KX
  • LOC
  • MX
  • NAPTR
  • NS
  • NSEC
  • NSEC3
  • NSEC3PARAM
  • OPENPGPKEY
  • OPT
  • PTR
  • RP
  • RRSIG
  • SMIMEA
  • SOA
  • SRV
  • SSHFP
  • SVCB
  • TKEY
  • TLSA
  • TSIG
  • TXT
  • URI
  • ZONEMD
  • Any others supported via Unsupported that provides the payload in Buffer form

Sample Code

Encoding

import { Query } from '@gibme/dns';

const query = new Query({
    id: 0,
    questions: [{
        type: 'A',
        name: 'google.com'
    }]
})

socket.send(query.buffer);
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Decoding

import { Packet } from '@gibme/dns';

const packet = new Packet(buffer);

console.log(packet);
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