// Domain Record: portal-patent-tools-2021
portal-patent-tools.com
Legacy regulatory resource center that served as a compliance tracking resource. Accumulated 20295+ backlinks from .edu domains.
// Current Metrics
51 Domain Authority
38 Domain Rating
31 Spam Score
43,217 Backlinks
4,766 Referring Domains
3y Domain Age
Backlink Profile
// Historical Trend Data
Authority Trend
| Year | DA | DR | Backlinks |
|---|---|---|---|
| 2023 | 48 | 36 | 52,904 |
| 2024 | 53 | 40 | 43,119 |
| 2025 | 55 | 41 | 34,865 |
// Related Domains in PBN Footprint Detected
| Domain | DA | DR | Backlinks |
|---|---|---|---|
| gateway-statistics-brief.uk | 87 | 96 | 22,081 |
| info-census-api.edu | 87 | 83 | 22,009 |
| bureau-census-base.info | 87 | 90 | 7,491 |
| files-statistics-data.com | 87 | 76 | 11,497 |
| metro-science-tracker.org | 86 | 73 | 41,314 |