README.md

Chainlink External Adapter to query DNS

DNS Query lets query DNS over HTTPS (DoH)

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Environment Variables

Required?	Name	Description	Type	Options	Default
✅	DNS_PROVIDER	DNS provider to use	string	cloudflare, google
	CUSTOM_ENDPOINT	DNS provider URL to override default URLs for DNS_PROVIDER	string

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Data Provider Rate Limits

Name	Requests/credits per second	Requests/credits per minute	Requests/credits per hour	Note
free	100			cloudflare @ 100, google @ 1500

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Input Parameters

Every EA supports base input parameters from this list

Required?	Name	Description	Type	Options	Default
	endpoint	The endpoint to use	string	dnsProof, dnsQuery	dnsQuery

DnsQuery Endpoint

DNS Query lets query DNS over HTTPS (DoH)

dnsQuery is the only supported name for this endpoint.

Input Params

Required?	Name	Aliases	Description	Type	Options	Default	Depends On	Not Valid With
✅	name		Query Name, eg. "example.com"
✅	type		Query Type (either a numeric value or text), eg. "TXT"
	do		DO bit - set if client wants DNSSEC data (either boolean or numeric value), eg. "true"
	cd		CD bit - set to disable validation (either boolean or numeric value), eg. "false"

Example

There are no examples for this endpoint.

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DnsProof Endpoint

Check Google’s DNS service to determine if a given domain is owned by a given blockchain address.

dnsProof is the only supported name for this endpoint.

Input Params

Required?	Name	Aliases	Description	Type	Options	Default	Depends On	Not Valid With
✅	name	domain	The domain name to check ownership of.	string
✅	record	address	The Ethereum address to check a given domain against.	string

Example

Request:

{
  "id": "1",
  "data": {
    "endpoint": "dnsProof",
    "name": "www5.infernos.io",
    "record": "0xf75519f611776c22275474151a04183665b7feDe"
  },
  "debug": {
    "cacheKey": "98615ee48df7696e0c0b798d3956bb3904d880d2"
  }
}

Response:

{
  "jobRunID": "1",
  "data": {
    "result": true
  },
  "result": true,
  "statusCode": 200,
  "providerStatusCode": 200
}

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MIT License