dohdec
Retrieve and decode DNS records using DNS-over-HTTPS (DoH) or DNS-over-TLS (DoT).
Install
npm install --save dohdec
Command Line Usage
You must now install dohdec-cli
to use the command line:
npm install -g dohdec-cli
API Usage
const { DNSoverHTTP, DNSoverTLS } = require('dohdec')
const doh = new DNSoverHTTP()
await doh.lookup('ietf.org', 'AAAA') // JSON result from CloudFlare
await doh.lookup('ietf.org', {
rrtype: 'MX',
json: false, // Use DNS wire format
decode: false, // do not decode results
dnssec: true, // request DNS records
})
const dot = new DNSoverTLS({host: '1.1.1.1'})
await dot.lookup('ietf.org')
Full documents here
Notes
- All queries will be padded to the next multiple of 128 bytes (see RFC 8467)
- The JSON protocols are not standardized. The best we have is Google's documentation, which Cloudlflare seems to have followed.