openapi: 3.1.0
info:
  title: Shodan CVEDB Account DNS API
  description: Shodan's CVEDB is a free vulnerability database API that supports CVE lookups, CPE-keyed vulnerability search, KEV filtering, EPSS ordering, date-range queries, and product-name search. No API key required; updated daily.
  version: '1.0'
  contact:
    name: Shodan Support
    email: support@shodan.io
    url: https://cvedb.shodan.io/
  license:
    name: Shodan API Terms of Service
    url: https://www.shodan.io/legal/tos
servers:
- url: https://cvedb.shodan.io
  description: Production
tags:
- name: DNS
  description: Forward, reverse, and domain DNS lookups.
paths:
  /dns/domain/{domain}:
    get:
      tags:
      - DNS
      summary: Get Domain DNS Information
      operationId: getDomainDns
      description: Returns the subdomains and DNS entries known for the given domain.
      parameters:
      - name: domain
        in: path
        required: true
        schema:
          type: string
      - name: history
        in: query
        schema:
          type: boolean
          default: false
      - name: type
        in: query
        schema:
          type: string
          enum:
          - A
          - AAAA
          - CNAME
          - NS
          - SOA
          - MX
          - TXT
      - name: page
        in: query
        schema:
          type: integer
          default: 1
      responses:
        '200':
          description: Domain DNS information.
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
  /dns/resolve:
    get:
      tags:
      - DNS
      summary: Resolve Hostnames
      operationId: resolveHostnames
      description: Look up IP addresses for the given hostnames.
      parameters:
      - name: hostnames
        in: query
        required: true
        schema:
          type: string
        description: Comma-separated list of hostnames.
      responses:
        '200':
          description: Map of hostname to IP.
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  type: string
  /dns/reverse:
    get:
      tags:
      - DNS
      summary: Reverse DNS Lookup
      operationId: reverseDnsLookup
      description: Look up hostnames for the given IP addresses.
      parameters:
      - name: ips
        in: query
        required: true
        schema:
          type: string
        description: Comma-separated list of IP addresses.
      responses:
        '200':
          description: Map of IP to hostnames.
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  type: array
                  items:
                    type: string