Domain Authority vs Trust Flow: read both together

Moz Domain Authority is a prediction of relative ranking potential. Majestic Trust Flow models link quality through its trusted seed relationships. They use different crawls and models.

Both are commonly expressed on a 100-point scale, but DA 30 and TF 30 are not equivalent observations. Avoid averaging the two into an unexplained “authority score” or converting one into the other.

Neither provides a direct measurement of Google rankings, traffic or the market value of a domain. Pick the evidence required for the decision first, then use the scores to help organize it.

Illustrative profiles: candidate A has DA 45 and TF 8; candidate B has DA 28 and TF 21. Those combinations warrant different reviews, but do not prove which domain is better.

For A, compare CF, the documented raw Spam Score, referring domains and actual backlink placements. Ask whether the apparently strong DA is supported by relevant references still present today.

For B, examine the sources behind its TF and the intended topic. A smaller set of relevant references may fit a focused project, but a handful of links from one relationship could also account for much of the impression.

When counts disagree, retain each source's values rather than forcing a match. Coverage, scope, caching and index timing can all affect the comparison. Review an actual sample of source pages to add evidence.

Keep DA, TF, CF, topical categories and referring-domain counts in separate columns. Add your own fields for history, live source checks, intended use and unresolved questions. That makes the decision explainable to the next person reviewing it.

Use a practical screening policy to manage volume, and label it as your policy. Test the policy on a small sample before filtering thousands of rows. Review a sample of rejected candidates so a numerical rule does not quietly discard suitable names.

Buying a name for a new project may be sensible even when its old links have little value. Make that distinction explicit in the budget: a useful name and a supposedly strong inherited link profile are different reasons to buy.

The bulk DA, PA and Trust Flow checker and domain metrics API return Moz and Majestic fields together. A successful domain request costs one credit; a separate backlink data request costs another credit for its rows and summary.

1,000 unique successful requests consume 1,000 credits. That is about $0.79–$1.36 in consumed credit value at the current pack rates. Credits are bought in packs: the entry pack is $34 for 25,000 credits. This is not a $0.79 checkout option. Compare the current DomDetailer credit packs.