Technology · DMARC · Secure Email
60 websites in the live index use Yahoo Domain Keys as of October 2026. Download the full list of Yahoo Domain Keys websites with website, company, country and language.
SourceAs of October 28, 2026, TechLeads detects Yahoo Domain Keys on 60 websites: 0.04% of Secure Email detections, the 39th most-used of 67 Secure Email technologies we track.
Sample results for Yahoo Domain Keys. Description is shown under each title.
| Rank | Website | Title · Description | Company | Country | Language |
|---|---|---|---|---|---|
| #1 | cookit.dk | Cook it - Den Moderne Høkasse – Cook it - The Modern HayboxSpar energi, tid og penge ved at slukke komfuret og fortsætte tilberedningen med Cook it - Den Moderne Høkasse. Optimal til alt fra simreretter til risengrød. | Cook it - The Modern Haybox | - | dan |
| #2 | elenastapas.com | Welcome to Elena’s - Elena's Spanish Bar & RestaurantWelcome to the multi award-winning Elena’s Spanish Bar & Restaurant where you can enjoy the best Spanish food and drinks in town. | Elena's Spanish Bar & Restaurant | - | eng |
| #3 | grupoase.net | La energía de tu empresa, al abrigo del grupoEn un contexto energético cada vez más complejo, contar con la ayuda de un partner energético independiente como Grupo ASE es sinónimo de seguridad y confianza. | Grupo ASE | - | spa |
| #4 | thesafaricollection.com | Luxury Safari in Africa: Explore Kenya and BeyondFrom stunning locations to unique experiences like breakfast with giraffes, a luxury safari in Africa that combines experience and comfort. | The Safari Collection | - | eng |
| #5 | christembassynorthernireland.org | Home | CHRIST EMBASSY NI | CHRIST EMBASSY NI | - | eng |
| #6 | sistersofworth.org | sistersofworth.org | sistersofworth.org | - | eng |
| #7 | terkirim.com | Terkirim — WhatsApp Marketing & CRMPlatform WhatsApp Marketing, CRM & Automation untuk bisnis Indonesia | - | - | eng |
| #8 | accessibleeventsshow.com | Accessible Events Show | - | - | en |
| #9 | 2xsmart.com | 2XSMART | - | - | eng |
| #10 | myjingjings.com | Maintenance | - | - | eng |
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The most-used Secure Email technologies in the TechLeads index, by number of websites. Yahoo Domain Keys accounts for 0.04% of Secure Email detections (60 websites).
| No. | Technology | Websites | Share of Secure Email | Relative size |
|---|---|---|---|---|
| 01 | Proton Mail | 114,899 | 65.0% | |
| 02 | CDNS Network | 8,641 | 4.9% | |
| 03 | MailInBlack | 8,618 | 4.9% | |
| 04 | Sophos | 8,476 | 4.8% | |
| 05 | Hushmail | 4,381 | 2.5% | |
| 06 | Skymail | 4,289 |
TechLeads scans public websites and identifies Yahoo Domain Keys from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 28, 2026. Counts only include websites we have scanned, so they can differ from other providers.
The TechLeads live index currently lists 60 websites using Yahoo Domain Keys. Open the sample table on this page or download the lead list.
Yahoo Domain Keys is not in the HTTP Archive history extract (about 4,000 names). The live TechLeads catalog still tracks it among 12,000+ technologies.
See related technologies and co-occurrence on this page. Historical competitor charts appear when HTTP Archive covers Yahoo Domain Keys.
Companies and websites using Yahoo Domain Keys in the TechLeads index include cookit.dk, elenastapas.com, grupoase.net, thesafaricollection.com, christembassynorthernireland.org. The full list of 60 websites, with company name, country and language, is available as a CSV export.
By number of websites in the TechLeads index, the most-used Secure Email alternatives to Yahoo Domain Keys are Proton Mail (114,899), CDNS Network (8,641), MailInBlack (8,618).
TechLeads scans public websites and matches Yahoo Domain Keys by signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily.
| 2.4% |
| 07 | Migadu | 3,694 | 2.1% |
|---|
| 08 | Securence | 2,597 | 1.5% |
|---|
| 09 | SpamTitan | 2,551 | 1.4% |
|---|
| 10 | MailGuard | 2,525 | 1.4% |
|---|
Yes. A one-time Yahoo Domain Keys dataset is $29 as a CSV. The Growth plan ($79/mo) covers 10 technologies with recurring exports, alerts and API access.
Top-ranked sites on Yahoo Domain KeysRank
Technologies most frequently detected on the same websites as Yahoo Domain Keys. Counts are websites in the live index.
Sites where we first detected Yahoo Domain Keys, by week (UTC, weeks start Monday). These are newly detected sites, and the counts follow our discovery coverage.
60
sites newly detected in the last 12 weeks
Deprecated email verification system.
Our comprehensive database contains 60 websites using Yahoo Domain Keys, making it the most complete Yahoo Domain Keys sites list available. This Yahoo Domain Keys customer websites directory helps businesses detect websites using Yahoo Domain Keys and identify potential leads.
Websites using Yahoo Domain Keys commonly also use Haravan, Zendesk, Modernizr, Segment, Segment Consent Manager — reflecting typical Yahoo Domain Keys technology stacks.
Our Yahoo Domain Keys technology detection system scans millions of websites to identify those powered by Yahoo Domain Keys. This list of sites with Yahoo Domain Keys includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with Yahoo Domain Keys or exploring Yahoo Domain Keys adoption trends, our database provides comprehensive insights.
Each entry in our Yahoo Domain Keys sites list includes valuable data points: domain name, global ranking, company information, contact details, social media links. This makes it easy to detect websites using Yahoo Domain Keys and reach out to potential customers or partners.
Get instant access to the full list of sites with Yahoo Domain Keys in CSV format. Our dataset includes all 60 Yahoo Domain Keys customer websites with complete contact information, perfect for lead generation, market research, and competitive analysis. The data is regularly updated to ensure accuracy and includes the latest Yahoo Domain Keys powered websites.
