Third-party authority scores offer a useful starting signal for evaluating an expired domain, but they shouldn't be the only factor in a genuine due diligence process.
Use Authority Scores as an Initial Filter
A quick authority check helps you narrow down a large list of candidate domains before investing time in deeper research.
Understand These Scores Can Be Manipulated
Some expired domains carry inflated authority metrics from prior manipulative link building, which doesn't reflect genuine, durable value.
Always Follow Up With Deeper Content and Link Review
A promising authority score should be the beginning of your research, not the end of it.
Next step: Use the Wayback Expired Domains to dig into a domain's actual historical content behind any authority metrics you've found.