Domain Age Checker: Registration and First Indexing
A domain’s age is one of the most subtle trust indicators on the web. Older domains tend to enjoy more trust from search engines, and knowing the registration date helps when evaluating backlinks, analyzing competitors, or purchasing existing domains.
This tool determines domain age from two independent sources: the official RDAP registration date (the successor to WHOIS) and the first entry in the Wayback Machine. This gives you not just the technical registration date, but also the point at which the domain was actually active on the web.
Domain Age Checker
Check domain age using WHOIS / RDAP registration data and the Archive.org Wayback Machine.
Enter a domain name without http:// or https://. Data is cached for 24 hours.
Enter up to 20 domains, one per line. Checking will be sequential with 1-second delay between domains.
How the Domain Age Checker Works
- Check a single domain: Enter a domain (without
https://). The tool queries RDAP and the Wayback Machine and shows results in seconds. - Bulk check: Switch to bulk mode and enter up to 20 domains (one per line). Queries are processed sequentially with a short delay between each.
- Compare sources: For each domain, you will see results from both sources side by side: registration date (RDAP), registrar, expiry date, and first archive date (Wayback Machine).
- Read the age: The displayed domain age is based on the earliest date found across all sources – formatted in years, months, and days.
What Do the Two Sources Mean?
- RDAP (Registration Data Access Protocol): The official registration database. Provides the exact date the domain was registered with a registrar. RDAP is the modern successor to WHOIS and delivers structured JSON data.
- Wayback Machine: The Internet Archive regularly stores snapshots of websites. The “First Seen” date shows when the domain was first archived – an indicator of when the domain actually had active content.
Changelog
- Added RDAP integration – shows official registration date, registrar, and expiry date
- Implemented multi-source aggregation: domain age based on the earliest date across all sources
- Source breakdown with separate cards per data source
- Bulk mode for up to 20 domains with summary (average, oldest, newest domain)
- Rate limiting detection: displays a clear error message when too many requests are made
- 24-hour cache for reduced API load
Background: Why Domain Age Matters
Domain age is not a direct Google ranking factor, but it strongly correlates with trust and authority. A domain that has existed for 15 years typically has a grown backlink profile, a history in search results, and an established trust signal.
Use Cases for Domain Age Checking
- Domain purchase: Before buying an existing domain, check the registration date. Older domains can be more valuable, but only if they have a clean history.
- Backlink analysis: Links from old, established domains are generally more valuable than links from recently registered domains.
- Competitor analysis: Your competitors’ domain age indicates their market presence and historical SEO advantage.
- Spam detection: Very young domains with aggressive link building are a typical spam signal.
Registration Date vs. Wayback Date
These two dates tell different stories. A domain may have been registered in 2010 but only populated with content in 2015. Conversely, a domain may appear with a new registration date after deletion, even though the Wayback date is much older. Both values together paint the complete picture.
Frequently Asked Questions
Frequently Asked Questions
What is RDAP?
RDAP (Registration Data Access Protocol) is the modern successor to WHOIS. It delivers registration data in a structured JSON format and supports HTTPS. Since 2019, all registrars are required to offer RDAP.
Why do the RDAP and Wayback dates differ?
The RDAP date shows the official registration with a registrar. The Wayback date shows the first archived snapshot. A domain can be registered without having active content (parked, in development). Conversely, a domain may have a new RDAP date after re-registration, even though the Wayback Machine has stored older content.
Is domain age a Google ranking factor?
Google has confirmed that domain age is not a direct ranking factor. However, a high domain age correlates with other positive signals like a grown backlink profile and a long indexing history.
Why are no results shown for some domains?
Some TLD registries (e.g., certain country-code TLDs) do not offer public RDAP access. In those cases, the tool only shows the Wayback Machine result. If no entry exists there either, the domain may have never been publicly accessible.
Are my queries stored?
Results are cached for 24 hours to reduce the number of external API requests. No personal data is stored.
