SEO Backlinks Bulk Backlink Checker + Expired Domains + API

Simple, honest pricing

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We only sell what we actually deliver. Anchor text, toxic links, dofollow status — coming on Pro when our own crawler ships. Not faked today.
FREE
$0/forever
Try it on your own sites
Start scanning
  • 10 domain checks (no signup)
  • Domain Rating (0–100)
  • Referring domains count
  • Authority rank
  • Sub-15ms query response
MOST POPULAR
STARTER
$29/mo
For solo SEOs and bloggers
Start Starter
  • 50 referring domains per check
  • Bulk lookup up to 100 domains / request
  • CSV + PDF + TXT export
  • 1,000 API queries / month
  • Email support
PRO
$99/mo
For agencies and power users
Go Pro
  • 100 referring domains per check
  • Bulk lookup up to 1,000 domains / request
  • Full API access (X-API-Key)
  • 10,000 API queries / month
  • Priority queue + faster response
  • Priority support

// our index, by the numbers

Real scale. Real data.

Every score and count on this site is computed from the Common Crawl link graph — the same dataset Moz, ahrefs and academic researchers rely on.

262M
hosts ranked
by authority signal
118M
unique vertices
in the link graph
4.34B
link edges
host-level, indexed
<15ms
cold query
warm: 3-6ms
1000
domains / bulk
single API call
100%
honest data
zero fake multipliers
Source: Common Crawl 2026 · refreshed quarterly
seo-backlinks.net — See who links to your site