dohdec

dohdec

Retrieve and decode DNS records using DNS-over-HTTPS (DOH)

Install

npm i -S dohdec

Command Line Usage

dohdec <name> [rrtype]

Look up DNS name using DNS-over-HTTPS (DoH)

Positionals:
  name    The name to look up                                           [string]
  rrtype  Resource Record type to look up                [string] [default: "A"]

Options:
  --version        Show version number                                 [boolean]
  --dns, -d        Use DNS format instead of JSON                      [boolean]
  --get, -g        Force http GET for DNS-format lookups               [boolean]
  --no-decode, -n  Do not decode JSON or DNS wire format               [boolean]
  --dnssec, -s     Request DNSsec records                              [boolean]
  --url, -u        The URL of the DoH service
                      [string] [default: "https://cloudflare-dns.com/dns-query"]
  --verbose, -v    Print debug info                                    [boolean]
  -h, --help       Show help                                           [boolean]

API Usage

const lookup = require('dohdec')

await lookup('ietf.org', 'AAAA') // JSON result from CloudFlare
await lookup('ietf.org', {
  rrtype: 'MX',
  json: false,       // Use DNS wire format
  decode: false,     // do not decode results
  preferPost: false, // use GET instead of POST for DNS wire format
  dnssec: true,      // request DNS records
  url: 'https://dns.google.com/resolve'
})

License

MPL-2.0