Free DA PA Checker
Get Moz Domain Authority (DA) and homepage Page Authority (PA) for any domain, directly from the official Moz API. Use these SEO metrics to compare domains in the same niche.
DA PA CheckerFree SEO Tools to Check Your SEO Metrics
Measure the SEO metrics that matter when you research a domain. Check Domain Authority, Page Authority, domain age and registration details in seconds with Mostdomain’s free SEO tools. No account, no subscription.
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Free WHOIS Checker
See a domain’s age, registrar, registration date, expiry date and nameservers. Domain age is one of the SEO metrics worth checking before you buy or build on a domain.
WHOIS CheckerSEO metrics you can check for free
| SEO metric | What it tells you | Tool |
|---|---|---|
| Domain Authority (DA) | Moz’s estimate of a domain’s relative ability to rank, on a 100-point scale | DA PA Checker |
| Page Authority (PA) | Moz’s score for a single page; here, the homepage | DA PA Checker |
| Spam Score | Moz’s estimate of how closely a domain resembles sites that have been penalized, as a percentage | DA PA Checker |
| Domain age | How long ago the current registration was created | WHOIS Checker |
| Registration & expiry date | Current registration status and when the record is due to expire | WHOIS Checker |
| Registrar & nameservers | Who manages the registration and where DNS is handled | WHOIS Checker |
Use SEO metrics to make better decisions
Numbers are most useful when you know what they mean and how to compare them.
Compare, don’t guess. DA and PA are relative scores. Use them to compare websites in the same niche, not to chase a “perfect” number.
Look at age and history. Domain age and registration dates help you understand a domain’s current record. They do not show its full history, so pair them with past content and backlink research.
Treat metrics as one signal. No single score guarantees traffic or rankings. DA is a Moz metric, not a Google ranking factor. Review content, relevance and backlink quality alongside the numbers.
A simple SEO metrics workflow
- Check authority. Run the DA PA Checker for Moz DA and PA.
- Check age and registration. Use the WHOIS Checker to see domain age, registrar and expiry date.
- Go deeper. Review backlink sources, previous content and fit for your project before you decide.
FAQ
What are SEO metrics?
SEO metrics are measurements used to evaluate a website’s search performance and strength, such as Domain Authority, Page Authority and domain age. They help you compare sites and spot opportunities or risks.
Which SEO metrics can I check here?
You can check Moz Domain Authority, homepage Page Authority, Spam Score, domain age, registration date, expiry date, registrar and nameservers.
Are these SEO tools really free?
Yes. Every tool is free to use, with no account or subscription.
Where does the DA and PA data come from?
From the official Moz API. Scores use a 100-point scale. DA describes the whole domain, and PA is measured on the domain’s homepage.
Is a higher DA always better?
Not necessarily. There is no universal target. Compare domains in the same niche and consider content, relevance and backlink quality too.
Can I see who owns a domain?
Not always. Personal contact details are often hidden for privacy, and our checker does not bypass privacy protection.
