Domain Age Checker with Spam Score

What this domain age checker looks at

Three sources, each answering a question the others cannot. Most free domain age checkers stop at the first one, which is why they miss the case that matters most: an old site on a new registration.

For the authority half on its own, the bulk website authority checker reports the score, the referring domain count and the spread across a list.

The spam signals, and how much each one counts

The spam score is a sum, not a model. Every point comes from a named reason in the Why column, so a High row can always be explained and argued with. The weights are set so that one signal on its own never reaches High.

• Low (0 to 14): nothing in the registration, the archive or the homepage stands out.
• Moderate (15 to 44): at least one signal worth checking by hand. Read the reason before deciding.
• High (45 and above): several independent signals point the same way. Open the site before anything links to it.

Why an old archive on a new registration is the signal that matters

When a domain lapses, its backlinks do not disappear. They keep pointing at the name, and that leftover authority is what people buy expired domains for. The usual next step is a thin site on top, a few posts a month, and a price list for links.

• The registry forgets. RDAP describes the current registration only, so a domain bought back last month reads as a month old.
• The archive remembers. The Wayback Machine still holds the copies from the previous owner, often years of them.
• The gap is the evidence. A year or more between the first capture and the registration date is what the tool flags as Re-registered.

There are innocent cases. A business can let a domain lapse by accident and buy it back, and some registries log a transfer as a new registration. That is why the tool shows both dates rather than a verdict, and why one signal stops at Moderate.

How to vet a list of link prospects by domain age and spam signals

Seven steps, ordered so the mechanical filtering happens before the judgement calls.

1. 01

   Paste the domains you are about to act on

   A prospect sheet, a list of sites offering guest posts, or the domains linking to a competitor. URLs are fine: every line is reduced to its domain before the lookups run.

2. 02

   Read the age from the registry, not from a guess

   The Age column comes from the registry's RDAP record. Where a registry publishes no date, as .de does not, the tool shows the first archive capture as a floor and marks it with ≥.

3. 03

   Compare the registration date with the first capture

   When the archive holds the site years before the current registration, the domain lapsed and someone bought it again. That is the single most useful fact on the row, and the tool flags it as Re-registered.

4. 04

   Open every High row before deciding

   A High score means two or more independent signals agree. Hover a reason in the Why column to read exactly what was found, then look at the site itself.

5. 05

   Treat Moderate as a question, not an answer

   One signal has an innocent explanation more often than not. A young domain run by a real business, or a homepage that blocks bots, both land here.

6. 06

   Drop the dead and parked names first

   Unregistered and parked domains are not sites. They come off the list before anyone spends time on relevance.

7. 07

   Export the CSV and add what the score cannot see

   The score knows nothing about topical fit or traffic. Join the export to those columns in a sheet before any outreach email goes out.

For the sites that survive, read where they link out with the external link checker. A page linking to forty unrelated sites is selling something. The off-page SEO checklist covers the rest of the vetting, and the glossary entry on guest posting explains where Google draws the line.

What this checker reports

Frequently asked questions