ipv4only.arpa

Trusted High Traffic Tranco #330

ipv4only.arpa operates primarily as a DNS infrastructure provider, focusing on special-use domain. ipv4only.arpa is a special-use domain name reserved by the IETF for testing IPv4-only DNS resolution and connectivity in dual-stack (IPv4/IPv6) network environments. It does not host content.

Industry Category

DNS Infrastructure

DNS and domain infrastructure services.

Related Topics

DNSIPv4IPv6networkinginternet standards

Highly Established

ipv4only.arpa is a well-established platform with no publicly identified operator. Top 1,000 global website, 12 years old, high traffic. Standard web safety practices apply.

Top 1,000 global website12 years oldhigh traffic
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Developer API

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Access this classification data programmatically via our API.

GET /api/v1/classify?domain=ipv4only.arpa
{
  "domain": "ipv4only.arpa",
  "state": "developed",
  "stability": "permanent",
  "confidence": "high",
  "category": {
    "purpose": "dns_infrastructure",
    "specialization": "Special-Use Domain",
    "secondary_purposes": []
  },
  "identity": {
    "headline": "Special-use domain for IPv4-only DNS resolution",
    "summary": "ipv4only.arpa is a special-use domain name reserved by the IETF for testing IPv4-only DNS resolution and connectivity in dual-stack (IPv4/IPv6) network environments. It does not host content.",
    "operator": null,
    "parent_entity": null,
    "topics": [
      "DNS",
      "IPv4",
      "IPv6",
      "networking",
      "internet standards"
    ]
  },
  "functions": {
    "is_ugc_platform": false,
    "is_file_host": false,
    "is_url_shortener": false,
    "is_public_idp": false,
    "is_crypto_platform": false,
    "allows_user_subdomains": false,
    "is_form_builder": false,
    "is_document_host": false
  },
  "facts": {
    "created_at": "2013-09-30",
    "rank": 330,
    "hosting_provider": null
  }
}

Registered

Sep 30, 2013

Last Updated

Jan 5, 2026

Domain data sourced from WHOIS, Tranco rankings, and URLert's classification engine.