Aquarium expired domains
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FAQ: expired aquarium domains
What is an expired aquarium domain?
An expired aquarium domain previously hosted a aquarium-related website but was not renewed. These domains often retain backlinks and authority built over years of activity.
How do I register one?
Click "Register" next to any domain. You'll be taken to Namecheap to check availability and complete registration — typically $8–12/year for a .com.
What does OPR mean?
Open PageRank (OPR) is a free 0–10 metric estimating a domain's link authority based on its backlink profile. Higher scores indicate stronger, more numerous backlinks.
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Data sources
Common Crawl S3
CDX index files, 6 crawls
Wayback Machine
Historical verification
Open PageRank
Free authority scores