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The SEO Practitioner Guide to WHOIS & RDAP
Practitioner-grade guides across 6 topics in the WHOIS / RDAP hub. 6 of 6 live; 0 on the way. Each guide is researched against the live search results and written for SEO professionals and aged-domain buyers.
All 6 Guides in This Hub
6 live, 0 on the way.
WHOIS / RDAP
01
WHOIS: The Protocol and How to Read the Data on Any Domain
How the WHOIS protocol works and how to read a registration record field by field: port 43, status codes, GDPR redaction, the RDAP successor, and domain diligence.
Read article → WHOIS / RDAP 02WHOIS History Services Compared: The Major Domain History Archives, Side by Side, and How to Pick the Right One
The major WHOIS history services compared side by side: DomainTools, WhoisXML API, WhoisFreaks, and Whoxy on archive start year, scale, pre-2018 data, price, and use case.
Read article → WHOIS / RDAP 03WHOIS Privacy and Proxy Services: What They Hide, How They Differ, and How to Read a Shielded Domain
WHOIS privacy vs proxy services explained: the ICANN registrant-of-record distinction, what a shield hides, GDPR default redaction, abuse data, and reading a shielded domain.
Read article → WHOIS / RDAP 04RDAP: The Successor to WHOIS, and How to Read a Domain’s Registration Data After the 2025 Sunset
RDAP replaced WHOIS for gTLDs on 28 January 2025. How the protocol works, RDAP vs WHOIS field by field, the JSON response, GDPR redaction, a six-step lookup, and reading the data as domain diligence.
Read article → WHOIS / RDAP 05GDPR Impact on WHOIS: What Was Redacted, What Stays Public, and How to Read a Domain’s Record in 2026
How GDPR redacted WHOIS: the ICANN Temporary Specification, what is hidden vs still public, the RDAP and Registration Data Policy timeline, the abuse cost, and reading a redacted domain record.
Read article → WHOIS / RDAP 06WHOIS Privacy Strategies for a PBN Domain: What It Hides, What It Cannot, and How to Manage the Footprint in 2026
WHOIS privacy strategies for a PBN domain: what privacy hides and what it cannot, the cited ranking-safety record, GDPR redaction, RDAP, and the footprint to manage.
Read article →Multi-metric screened catalogue for aged-domain acquisition
SEO Domains operates the curated marketplace with a 220,000+ pre-screened catalogue from $100 entry-level domains through $1.5 million premium acquisitions. Every listing shows Domain Authority, Domain Rating, Trust Flow, Citation Flow, and the catalogue’s 7-vector inheritance screen status. ICANN-accredited transfer applies to every acquisition.
