Apex, subdomain, or URL. We figure it out.

RDAP source

https://rdap.verisign.com/com/v1

{
  "objectClassName": "domain",
  "handle": "143300555_DOMAIN_COM-VRSN",
  "ldhName": "PALOALTONETWORKS.COM",
  "links": [
    {
      "value": "https://rdap.verisign.com/com/v1/domain/PALOALTONETWORKS.COM",
      "rel": "self",
      "href": "https://rdap.verisign.com/com/v1/domain/PALOALTONETWORKS.COM",
      "type": "application/rdap+json"
    },
    {
      "value": "https://rdap.markmonitor.com/rdap/domain/PALOALTONETWORKS.COM",
      "rel": "related",
      "href": "https://rdap.markmonitor.com/rdap/domain/PALOALTONETWORKS.COM",
      "type": "application/rdap+json"
    }
  ],
  "status": [
    "client delete prohibited",
    "client transfer prohibited",
    "client update prohibited"
  ],
  "entities": [
    {
      "objectClassName": "entity",
      "handle": "292",
      "roles": [
        "registrar"
      ],
      "links": [
        {
          "href": "http://www.markmonitor.com",
          "type": "text/html",
          "value": "https://rdap.markmonitor.com/rdap/",
          "rel": "about"
        }
      ],
      "publicIds": [
        {
          "type": "IANA Registrar ID",
          "identifier": "292"
        }
      ],
      "vcardArray": [
        "vcard",
        [
          [
            "version",
            {},
            "text",
            "4.0"
          ],
          [
            "fn",
            {},
            "text",
            "MarkMonitor Inc."
          ]
        ]
      ],
      "entities": [
        {
          "objectClassName": "entity",
          "roles": [
            "abuse"
          ],
          "vcardArray": [
            "vcard",
            [
              [
                "version",
                {},
                "text",
                "4.0"
              ],
              [
                "fn",
                {},
                "text",
                ""
              ],
              [
                "tel",
                {
                  "type": "voice"
                },
                "uri",
                "tel:+1.2086851750"
              ],
              [
                "email",
                {},
                "text",
                "[email protected]"
              ]
            ]
          ]
        }
      ]
    }
  ],
  "events": [
    {
      "eventAction": "registration",
      "eventDate": "2005-02-21T02:42:10Z"
    },
    {
      "eventAction": "expiration",
      "eventDate": "2028-02-21T02:42:10Z"
    },
    {
      "eventAction": "last changed",
      "eventDate": "2026-01-20T10:06:00Z"
    },
    {
      "eventAction": "last update of RDAP database",
      "eventDate": "2026-06-04T08:28:00Z"
    }
  ],
  "secureDNS": {
    "delegationSigned": true,
    "dsData": [
      {
        "keyTag": 51034,
        "algorithm": 13,
        "digestType": 2,
        "digest": "D8070C70389D5846D34273E81F810F0F6ED23C5D99EE208F09F2A0A9F5CC5142"
      },
      {
        "keyTag": 46116,
        "algorithm": 13,
        "digestType": 2,
        "digest": "A14E4DAAFE774B2BB1DB70CB0B76615E49ADED9A38AA696338C427C384A93EB4"
      },
      {
        "keyTag": 61478,
        "algorithm": 13,
        "digestType": 2,
        "digest": "219C22C0FC1174FA2191EA3CE076F9A75FF82C980CF0CF7841C7761C5DF02694"
      },
      {
        "keyTag": 43353,
        "algorithm": 13,
        "digestType": 2,
        "digest": "18C91CF13943198EFEB050CC88AAEA576F615B1A886636EE72023EAFDFEDDEB2"
      },
      {
        "keyTag": 9113,
        "algorithm": 13,
        "digestType": 2,
        "digest": "181362F7FAF5EDBAAC773B0A9CA4B24E6B07408A9AAD5EA414CB84CB6BE3F1C8"
      }
    ]
  },
  "nameservers": [
    {
      "objectClassName": "nameserver",
      "ldhName": "A1-184.AKAM.NET"
    },
    {
      "objectClassName": "nameserver",
      "ldhName": "A11-64.AKAM.NET"
    },
    {
      "objectClassName": "nameserver",
      "ldhName": "A12-67.AKAM.NET"
    },
    {
      "objectClassName": "nameserver",
      "ldhName": "A13-66.AKAM.NET"
    },
    {
      "objectClassName": "nameserver",
      "ldhName": "A2-65.AKAM.NET"
    },
    {
      "objectClassName": "nameserver",
      "ldhName": "A4-64.AKAM.NET"
    }
  ],
  "rdapConformance": [
    "rdap_level_0",
    "icann_rdap_technical_implementation_guide_1",
    "icann_rdap_response_profile_1"
  ],
  "notices": [
    {
      "title": "Terms of Service",
      "description": [
        "Service subject to Terms of Use."
      ],
      "links": [
        {
          "href": "https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml",
          "type": "text/html",
          "value": "https://rdap.verisign.com/com/v1/domain/paloaltonetworks.com",
          "rel": "terms-of-service"
        }
      ]
    },
    {
      "title": "Status Codes",
      "description": [
        "For more information on domain status codes, please visit https://icann.org/epp"
      ],
      "links": [
        {
          "href": "https://icann.org/epp",
          "type": "text/html"
        }
      ]
    },
    {
      "title": "RDDS Inaccuracy Complaint Form",
      "description": [
        "URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"
      ],
      "links": [
        {
          "href": "https://icann.org/wicf",
          "type": "text/html",
          "value": "https://rdap.verisign.com/com/v1/domain/paloaltonetworks.com",
          "rel": "help"
        }
      ]
    }
  ]
}