Expired Security domains with Hacker News backlinks
Updated Part of Security · Hacker News
This page lists 526 expired Security domains linked from Hacker News. Each has expired, is available to register, and has referring domains that survived the original site going offline. That is 1% of the 30,096 Hacker News-linked listings and 78% of the 671 Security listings in the directory. Across the slice, the median listing here has under 10 referring domains; 526 carry at least one named linking source; 526 had their availability re-checked in the last 30 days; 295 are open, with the name already shown; 1 sit in the top band of 250 or more referring domains; they span 54 extensions; the largest extensions are .com, .org, .net. Of the 526 with a recorded registration era, 33% were first registered in 2015 to 2019, the largest band, with registrations running from the 2000 to 2004 band to the 2025 to 2029 band.
About this list
A link from Hacker News is strongest as evidence when the topic matches. Domains here were classified as Security from their archived content, so the page and the link tell one story.
Every listing is verified the same way as the rest of the directory. Availability is re-checked against the live DNS root over DNS-over-HTTPS, and a listing that turns out to be registered is removed. Referring domains are counted from our own web crawl, not from a paid link index. Site history comes from archived captures: the archived snapshot count and the span of years the site was captured. Revised Score blends link-graph centrality, referring domains and site history into one 0 to 100 grade, computed across the whole directory.
At a glance
Cite as: “Expired Security domains with Hacker News backlinks”, Revised, https://getrevised.com/app/expired/source/hackernews/category/security. Last updated 15 November 2026. Updated continuously; free listings and paid plans show names; others masked.
As of 15 November 2026, the Revised directory of expired Security domains linked from Hacker News with backlinks holds 526 listings, each linked from a named source in our web crawl. All have expired and are available to register. The median listing has under 10 referring domains, and 1 has 250 or more. Spam-flagged names are filtered out, and 526 (100%) had availability re-checked within 30 days. The list spans 54 top-level domains, led by .com, .org and .net. Referring domains come from our own web crawl. 295 (56%) are free listings: name and exact counts shown, the rest stay masked except on Starter and Business. Search and filters need no account; masked names stay masked on Free.
- Listings
- 526
- Free listings
- 295 (56%)
- Median ref. domains
- Under 10
- Named sources
- 526 (100%)
- Re-checked, 30 days
- 526 (100%)
- Last updated
- 15 Nov 2026
Frequently asked questions
- How many expired Security domains linked from Hacker News are listed?
- 526 at the last count. Every one has expired, is available to register, and has referring domains counted from our web crawl. The count updates as listings are added and as availability re-checks remove names that were registered.
- How are these Hacker News: Security listings verified?
- Availability is re-checked against the live DNS root over DNS-over-HTTPS, history comes from archived captures, and referring domains are counted from our web crawl. A listing found to be registered is removed. Names are masked on Free; Starter and Business show every name, and metrics are open.
- How do I narrow Hacker News: Security further?
- Use the filters to pivot: change the referring domain band, minimum age or Revised Score, or clear the preset to see the whole directory. Compare listings on site history before choosing one, then register the name at any registrar that offers it.
