{
  "info": {
    "_postman_id": "7e02605b-ec47-4d9c-b31b-fe9b8ce0d29b",
    "name": "CompleteDNS API v1 DNS History API",
    "description": "The CompleteDNS API v1 returns the historical nameserver record for a domain (legacy version). The service tracks nameserver changes and domain drops and returns chronologically ordered events for a queried domain. Authentication is via an API key passed as a query string parameter. CompleteDNS recommends using the v2 API for new integrations.\n\nContact Support:\n Name: CompleteDNS",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
    "createdAt": "2026-07-28T01:25:12.000Z",
    "updatedAt": "2026-07-28T01:25:12.000Z",
    "lastUpdatedBy": "35240",
    "uid": "35240-7e02605b-ec47-4d9c-b31b-fe9b8ce0d29b"
  },
  "item": [
    {
      "name": "dns-history",
      "item": [
        {
          "name": "{domain}",
          "item": [
            {
              "name": "Get DNS history for a domain",
              "id": "40722193-876b-4623-b278-8906fb7f7331",
              "protocolProfileBehavior": {
                "disableBodyPruning": true
              },
              "request": {
                "method": "GET",
                "header": [
                  {
                    "key": "Accept",
                    "value": "application/json"
                  }
                ],
                "url": {
                  "raw": "{{baseUrl}}/dns-history/:domain?key=<string>",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "dns-history",
                    ":domain"
                  ],
                  "query": [
                    {
                      "description": "(Required) API key issued in the CompleteDNS account API section.",
                      "key": "key",
                      "value": "<string>"
                    }
                  ],
                  "variable": [
                    {
                      "id": "f579e32d-40c1-4d9c-80dd-5af58853f405",
                      "key": "domain",
                      "value": "<string>",
                      "description": "(Required) The fully qualified domain to look up."
                    }
                  ]
                },
                "description": "Returns the full history of nameserver changes and drop events for the requested domain, including the count of changes, count of drops, years tracked, and a chronologically ordered list of events."
              },
              "response": [
                {
                  "id": "8e69c3f8-5f33-4c74-8a07-356625d20c92",
                  "name": "DNS history record for the domain.",
                  "originalRequest": {
                    "method": "GET",
                    "header": [
                      {
                        "key": "Accept",
                        "value": "application/json"
                      }
                    ],
                    "url": {
                      "raw": "{{baseUrl}}/dns-history/:domain?key=<API Key>",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "dns-history",
                        ":domain"
                      ],
                      "query": [
                        {
                          "description": "(Required) API key issued in the CompleteDNS account API section.",
                          "key": "key",
                          "value": "<API Key>"
                        }
                      ],
                      "variable": [
                        {
                          "key": "domain"
                        }
                      ]
                    }
                  },
                  "status": "OK",
                  "code": 200,
                  "_postman_previewlanguage": "json",
                  "header": [
                    {
                      "key": "Content-Type",
                      "value": "application/json"
                    }
                  ],
                  "cookie": [],
                  "responseTime": null,
                  "body": "{\n  \"domain\": \"<string>\",\n  \"drops\": \"<integer>\",\n  \"changes\": \"<integer>\",\n  \"years\": \"<number>\",\n  \"was_parked\": \"<boolean>\",\n  \"events\": [\n    {\n      \"date\": \"<string>\",\n      \"type\": \"start_tracking\",\n      \"nameservers\": [\n        \"<string>\",\n        \"<string>\"\n      ],\n      \"changes\": [\n        {\n          \"action\": \"added\",\n          \"nameserver\": \"<string>\"\n        },\n        {\n          \"action\": \"removed\",\n          \"nameserver\": \"<string>\"\n        }\n      ]\n    },\n    {\n      \"date\": \"<string>\",\n      \"type\": \"start_tracking\",\n      \"nameservers\": [\n        \"<string>\",\n        \"<string>\"\n      ],\n      \"changes\": [\n        {\n          \"action\": \"added\",\n          \"nameserver\": \"<string>\"\n        },\n        {\n          \"action\": \"added\",\n          \"nameserver\": \"<string>\"\n        }\n      ]\n    }\n  ]\n}",
                  "createdAt": "2026-07-28T01:25:13.000Z",
                  "updatedAt": "2026-07-28T01:25:13.000Z",
                  "uid": "35240-8e69c3f8-5f33-4c74-8a07-356625d20c92"
                },
                {
                  "id": "ee9710ab-8bb7-47a7-b142-9997dfb3d6f7",
                  "name": "Invalid domain or unsupported TLD.",
                  "originalRequest": {
                    "method": "GET",
                    "header": [],
                    "url": {
                      "raw": "{{baseUrl}}/dns-history/:domain?key=<API Key>",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "dns-history",
                        ":domain"
                      ],
                      "query": [
                        {
                          "description": "(Required) API key issued in the CompleteDNS account API section.",
                          "key": "key",
                          "value": "<API Key>"
                        }
                      ],
                      "variable": [
                        {
                          "key": "domain"
                        }
                      ]
                    }
                  },
                  "status": "Bad Request",
                  "code": 400,
                  "_postman_previewlanguage": "text",
                  "header": [],
                  "cookie": [],
                  "responseTime": null,
                  "body": null,
                  "createdAt": "2026-07-28T01:25:13.000Z",
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                },
                {
                  "id": "1a3f6016-666c-4f93-8a09-c4fdd31a2652",
                  "name": "Missing or invalid API key.",
                  "originalRequest": {
                    "method": "GET",
                    "header": [],
                    "url": {
                      "raw": "{{baseUrl}}/dns-history/:domain?key=<API Key>",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "dns-history",
                        ":domain"
                      ],
                      "query": [
                        {
                          "description": "(Required) API key issued in the CompleteDNS account API section.",
                          "key": "key",
                          "value": "<API Key>"
                        }
                      ],
                      "variable": [
                        {
                          "key": "domain"
                        }
                      ]
                    }
                  },
                  "status": "Unauthorized",
                  "code": 401,
                  "_postman_previewlanguage": "text",
                  "header": [],
                  "cookie": [],
                  "responseTime": null,
                  "body": null,
                  "createdAt": "2026-07-28T01:25:13.000Z",
                  "updatedAt": "2026-07-28T01:25:13.000Z",
                  "uid": "35240-1a3f6016-666c-4f93-8a09-c4fdd31a2652"
                },
                {
                  "id": "2220ab13-ec2f-4ad9-8e1f-deebcb8fbdc5",
                  "name": "IP restriction or quota exhausted.",
                  "originalRequest": {
                    "method": "GET",
                    "header": [],
                    "url": {
                      "raw": "{{baseUrl}}/dns-history/:domain?key=<API Key>",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "dns-history",
                        ":domain"
                      ],
                      "query": [
                        {
                          "description": "(Required) API key issued in the CompleteDNS account API section.",
                          "key": "key",
                          "value": "<API Key>"
                        }
                      ],
                      "variable": [
                        {
                          "key": "domain"
                        }
                      ]
                    }
                  },
                  "status": "Forbidden",
                  "code": 403,
                  "_postman_previewlanguage": "text",
                  "header": [],
                  "cookie": [],
                  "responseTime": null,
                  "body": null,
                  "createdAt": "2026-07-28T01:25:13.000Z",
                  "updatedAt": "2026-07-28T01:25:13.000Z",
                  "uid": "35240-2220ab13-ec2f-4ad9-8e1f-deebcb8fbdc5"
                },
                {
                  "id": "350d2a1d-d7b1-463d-9391-a74410d96568",
                  "name": "Domain not tracked.",
                  "originalRequest": {
                    "method": "GET",
                    "header": [],
                    "url": {
                      "raw": "{{baseUrl}}/dns-history/:domain?key=<API Key>",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "dns-history",
                        ":domain"
                      ],
                      "query": [
                        {
                          "description": "(Required) API key issued in the CompleteDNS account API section.",
                          "key": "key",
                          "value": "<API Key>"
                        }
                      ],
                      "variable": [
                        {
                          "key": "domain"
                        }
                      ]
                    }
                  },
                  "status": "Not Found",
                  "code": 404,
                  "_postman_previewlanguage": "text",
                  "header": [],
                  "cookie": [],
                  "responseTime": null,
                  "body": null,
                  "createdAt": "2026-07-28T01:25:13.000Z",
                  "updatedAt": "2026-07-28T01:25:13.000Z",
                  "uid": "35240-350d2a1d-d7b1-463d-9391-a74410d96568"
                }
              ],
              "createdAt": "2026-07-28T01:25:13.000Z",
              "updatedAt": "2026-07-28T01:25:13.000Z",
              "uid": "35240-40722193-876b-4623-b278-8906fb7f7331"
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          "createdAt": "2026-07-28T01:25:13.000Z",
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      "createdAt": "2026-07-28T01:25:13.000Z",
      "updatedAt": "2026-07-28T01:25:13.000Z",
      "uid": "35240-5ba3e540-e0b3-4ce7-b900-2ec640bb6609"
    }
  ],
  "auth": {
    "type": "apikey",
    "apikey": [
      {
        "key": "key",
        "value": "key",
        "type": "string"
      },
      {
        "key": "value",
        "value": "{{apiKey}}",
        "type": "string"
      },
      {
        "key": "in",
        "value": "query",
        "type": "string"
      }
    ]
  },
  "variable": [
    {
      "key": "baseUrl",
      "value": "https://api.completedns.com/v1"
    }
  ]
}