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Expired Software & SaaS domains on .co with backlinks

Updated Part of Software & SaaS · .co

This page lists 207 expired Software & SaaS domains on .co. Each has expired, is available to register, and has referring domains that survived the original site going offline. That is 3% of the 5,602 Software & SaaS listings and 26% of the 773 .co listings in the directory. Across the slice, the median listing here has under 10 referring domains; 205 carry at least one named linking source; 207 had their availability re-checked in the last 30 days; 90 are open, with the name already shown. Of the 207 with a recorded registration era, 45% were first registered in 2015 to 2019, the largest band, with registrations running from the 2010 to 2014 band to the 2025 to 2029 band. The most common linking sources are Hacker News (180), Reddit (7) and DEV Community (4).

About this list

Narrowing a category to one extension is how a registrar choice or a market focus usually starts: the same topic reads differently on .co than elsewhere, and the extension decides who can register the name.

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 Software & SaaS domains on .co with backlinks”, Revised, https://getrevised.com/market/domains/category/saas/tld/co. Last updated 2 November 2026. Updated continuously; free listings and paid plans show names; others masked.

As of 2 November 2026, the Revised directory of expired Software & SaaS domains on .co with backlinks holds 207 listings, each classified from its archived content. All have expired and are available to register. The median listing has under 10 referring domains. Spam-flagged names are filtered out, and 207 (100%) had availability re-checked within 30 days. 205 (99%) carry a link from a tracked university, encyclopedia or news site. Referring domains come from our own web crawl. 90 (43%) are free listings: name and exact counts shown, the rest stay masked except on Starter and Business. Search and filters need no account; Free has no reveals.

Listings
207
Free listings
90 (43%)
Median ref. domains
Under 10
Named sources
205 (99%)
Re-checked, 30 days
207 (100%)
Last updated
2 Nov 2026

Frequently asked questions

How many expired Software & SaaS domains on .co are listed?
207 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 Software & SaaS .co 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 Software & SaaS .co 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 revealing any of them, then register the name at any registrar that offers it.

DR: Domain Rating by Ahrefs

Directory listings. Up and Down move between rows; Enter activates the row’s primary action (reveal the name, or open the listing); Right and Left move through the row’s controls.
Free
Actions
.coSoftware & SaaS10-500–9GitHub$24910 yr.co69
.coSoftware & SaaS100-2500–9Hacker News$5187 yr.co48
.coSoftware & SaaS100-2500–9Hacker News$7413 yr.co51
.coSoftware & SaaS50-1000–9Hacker News$4764 yr.co33
.coSoftware & SaaS50-1000–9Hacker News$842 yr.co42
Featured listing.coSoftware & SaaS50-1000–9Hacker NewsGitHubProduct Hunt$5976 yr.co69
.coSoftware & SaaS50-1000–9Reddit$624 yr.co—
.coSoftware & SaaS10-500–9Hacker News$4996 yr.co31
.coSoftware & SaaS10-500–9Hacker News$4999 yr.co67
.coSoftware & SaaS10-500–9Hacker News$2492 yr.co16
.coSoftware & SaaS10-500–9Hacker News$24913 yr.co22
.coSoftware & SaaS10-500–9Hacker NewsProduct Hunt$6432 yr.co44
.coSoftware & SaaS10-500–9Hacker News$2495 yr.co9
.coSoftware & SaaS10-500–9Hacker News$6242 yr.co21
.coSoftware & SaaS10-500–9Hacker News$4736 yr.co—
.coSoftware & SaaS10-500–9Hacker News$2495 yr.co68
.coSoftware & SaaS10-500–9Hacker News$59412 yr.co44
.coSoftware & SaaS10-500–9Hacker News$24911 yr.co—
.coSoftware & SaaS10-500–9Hacker News$2495 yr.co—
.coSoftware & SaaS<100–9Pinterest$1,9782 yr.co—
.coSoftware & SaaS<100–9Medium$1,4832 yr.co51
.coSoftware & SaaS10-500–9Hacker News$2498 yr.co40
.coSoftware & SaaS<100–9Product Hunt$1,4142 yr.co53
.coSoftware & SaaS10-500–9Hacker News$7844 yr.co24
.coSoftware & SaaS10-500–9Hacker News$697 yr.co—

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