// Domain Record: historical-security-service-2020
historical-security-service.co
Former analytical monitoring system providing environmental monitoring data to research institutions. Domain lapsed after agency restructuring in 2025.
// Current Metrics
42 Domain Authority
44 Domain Rating
44 Spam Score
8,796 Backlinks
799 Referring Domains
17y Domain Age
Backlink Profile
// Historical Trend Data
Authority Trend
| Year | DA | DR | Backlinks |
|---|---|---|---|
| 2021 | 39 | 41 | 9,864 |
| 2022 | 46 | 47 | 9,001 |
| 2023 | 41 | 43 | 10,084 |
| 2024 | 44 | 46 | 7,268 |
| 2025 | 40 | 42 | 7,578 |
// Related Domains in Health & Medical Expired Domains
| Domain | DA | DR | Backlinks |
|---|---|---|---|
| dept-tax-data.io | 89 | 101 | 3,751 |
| center-security-watch.edu | 88 | 92 | 50,048 |
| hub-transport-data.org | 88 | 100 | 15,767 |
| records-medical-tracker.net | 87 | 77 | 21,038 |
| commission-census-brief.org | 87 | 95 | 23,303 |