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What Is RDAP and How Do You Look Up a Domain, IP Address, or ASN?
RDAP (Registration Data Access Protocol) is the structured, HTTPS-based replacement for WHOIS. You use it to look up registration…
What Is WHOIS and What Can a WHOIS Lookup Tell You?
A WHOIS lookup returns the registration record for a domain name or IP address: who registered it, through which registrar, when …
What Is DNS and How Does It Work?
DNS (Domain Name System) is the internet's naming layer: it translates human-readable domain names like google.com into the IP ad…
What Is an IP Address and How Can I See My Public IP on Windows?
An IP address is a numeric label assigned to a device or network so data can be routed to and from it. On Windows you have two re…
What Is a Domain Name and How Does It Work?
A domain name is the human-readable address people type to reach a website or online service — like sedo.com. It works by mapping…
Understanding RDAP
A standard protocol for looking up a domain's registrar, registration date, expiry date and status.
Understanding DNS
Translates domains into server addresses and carries records for email, verification and security policies.