How to Filter an Expired Domains List: Settings That Matter
Somewhere between 100,000 and 200,000 domains expire, drop or hit auction every day, and an unfiltered list will happily show you all of them. Filtering is not a convenience feature; it is the entire difference between research and doomscrolling. The good news is that the filter panel is simpler than it looks. Four settings separate almost all of the signal from almost all of the noise, and the rest exist to shrink an already-good shortlist. Here are the settings, the starting values, and three recipes you can copy.
Which four settings actually matter?
1. Minimum referring domains (RD)
Referring domains counts the number of unique websites linking to a domain, and it beats raw backlink counts every time: one forgotten sitewide footer link can generate thousands of "backlinks" from a single site. Useful floors depend on the goal. For a quick quality screen, RD of 20 or more removes the bulk of worthless rows; for authority rebuild candidates, 50 or more is a sensible bar. Treat these as starting points to tune, not laws.
2. TF:CF ratio
Majestic's Trust Flow estimates link quality, Citation Flow estimates link volume, and the ratio between them is a fast honesty check. A domain with CF 40 and TF 8 earned lots of links that almost nobody trustworthy vouches for, which is the classic spam silhouette: a TF:CF ratio below roughly 0.3 is widely treated as a red flag. Ratios of 0.5 and above are the comfortable zone. Always set this alongside a minimum TF (say 10-15), because 2:1 sounds great until you notice it is TF 2, CF 1.
3. Age and archive history
Age comes in two flavors and lists blur them. Registration age resets when a domain fully drops and is caught, while a domain bought in an expiry auction keeps its original registration. Archive age, the first Wayback Machine snapshot, survives either way and is harder to fake. Filter for domains with history reaching back several years, then spot-check the actual snapshots: a clean 2012-2020 site that went dark beats a name with a gap and a suspicious burst of foreign-language content in the middle.
4. TLD
Lock the TLD list down early. For most rebuild and link projects that means .com, .net and .org, which also keeps you inside the predictable gTLD lifecycle. ccTLDs bring separate rules (near-instant .de deletions, a roughly 90-day .uk suspension window, .ai names that never drop at all) and separate buyer pools. Broad-TLD browsing is how a 200-row shortlist becomes 4,000 rows of .xyz.
The core settings at a glance
| Setting | Starting value | What it removes | Common mistake |
|---|---|---|---|
| Referring domains | 20+ (50+ for authority buys) | Domains with no real link profile | Filtering on total backlinks instead of unique domains |
| TF:CF ratio | 0.3 minimum, 0.5+ preferred, with TF 10+ | Link-volume spam with no trusted sources | Accepting a great ratio on tiny TF numbers |
| Age / archive history | First snapshot 5+ years back | Young names and freshly fabricated histories | Trusting registration year after a drop reset it |
| TLD | .com, .net, .org only | Cheap-TLD spam floods and ccTLD rule surprises | Leaving all 600+ TLDs on and drowning |
Supporting filters that earn their keep
- Moz Spam Score: under 10% is generally treated as clean; use it as a second opinion, not a verdict.
- Name quality: exclude digits and hyphens, cap length around 15 characters, and add keyword includes for your niche.
- Keyword excludes: screen out casino, pharma and adult terms in the domain name itself; those rows are rarely worth the click.
- Status: decide whether you are shopping auctions (buy now, keeps age) or pending delete (backorder, age resets), and filter to one stream per session.
Three copy-paste filter recipes
These are illustrative starting points, tuned for sanity rather than any specific niche. Tighten the numbers as your shortlists get too long.
Recipe 1: authority rebuild candidate
- RD ≥ 50, TF ≥ 15, TF:CF ≥ 0.5
- Moz Spam Score < 10%
- First archive snapshot 2018 or earlier, no multi-year gaps
- TLD: .com only; no digits, no hyphens
- Then manually review anchors and Wayback history before bidding
Recipe 2: brandable sweep
- TLD: .com; length ≤ 12; no digits, no hyphens
- Keyword contains your niche term, or pronounceable made-up words
- No metric minimums: you are buying the name, not the links
- Sort by length ascending and skim
Recipe 3: high-volume drop triage
- RD ≥ 20, CF ≥ 10, TF:CF ≥ 0.3
- Exclude casino, pharma and adult keywords
- TLD: .com, .net, .org; drop date = tomorrow
- Sort by TF descending and vet only the first 100 rows
Where do you set all this?
On the free side, ExpiredDomains.net unlocks its filter panel with a free registration: TLD, length, digits, hyphens, keywords and basic backlink counts are all there, which is enough for Recipe 2 and a rough version of Recipe 3. The metric-heavy filters live in paid tools. DomCop attaches Majestic and Moz data to every aggregated auction and drop row, so RD, TF, CF, ratio and spam-score conditions can be combined in one saved filter and rerun daily; that single feature is most of what the subscription, from roughly $68 per month billed annually, buys. If you are still choosing a base list, start with the seven free daily lists and add DomCop when the manual lookups start eating hours.
What can no filter catch?
Filters read numbers, and the worst problems hide in content. Anchor text distribution (a wall of exact-match commercial anchors, or Chinese casino phrases) needs a manual look. Redirect history, trademark exposure and the actual Wayback content are equally invisible to a filter panel. And Google's expired domain abuse policy, in force since March 5, 2024, is about intent: repurposing an expired domain primarily to manipulate rankings is spam, while genuinely rebuilding a site is explicitly fine. No filter setting makes a bad plan safe; understanding where the list data comes from also tells you where its blind spots are.
Frequently asked questions
What is a good TF:CF ratio?
Below roughly 0.3 is a red flag; 0.5 and above is the comfortable zone. Always pair the ratio with a minimum Trust Flow, because tiny numbers produce meaningless ratios in both directions.
How many referring domains are enough?
There is no magic number, but 20+ removes most junk and 50+ is a reasonable bar for authority purchases. Quality beats quantity: 40 links from real, topically relevant sites outweigh 400 from directories.
Should I filter by Domain Authority?
Only loosely. Authority scores disagree by about 26 points on average for the same site across tools, and DA specifically refreshes roughly monthly, so it lags reality. Use DA as a tiebreaker, never as the primary gate.
Do filters remove spam completely?
No. Filters remove the obvious 95%: no-link domains, volume spam, cheap-TLD floods. The remaining rows still need anchors, Wayback history and redirects checked by hand before you spend money.
Sources
- DomCop: buying expired domains
- DomCop: anchor text analysis
- ExpiredDomains.net (free filter panel)
- Google: March 2024 spam policies, expired domain abuse
- SpamZilla (spam scoring)