Opensubtitles.com (Domain) Investigation Report
Generated on Jul 12, 2026
Why we think so?
OpenSubtitles.com looks like a real, high-traffic subtitle service, not an outright scam. It has millions of monthly visits, valid HTTPS, a long-running domain, and normal infrastructure signals like Cloudflare, Google Analytics, and a published contact email. ⚠️ The main concerns are different: the service has a documented history of a large data breach, the legacy OpenSubtitles ecosystem has a reputation for aggressive ads and risky redirects, and the business sits in a legally sensitive copyright space.
Bottom line: use caution, especially if you ever had an old OpenSubtitles account or reused passwords elsewhere.
Risk Insights
Real site, not a fly-by-night domain
- Long-running domain with active infrastructure and strong traffic volume.
- Valid HTTPS and normal DNS/mail setup support legitimacy.
Past breach is the biggest issue
- News coverage reports a breach affecting roughly 6.7 million users.
- Old passwords should be treated as compromised if they were reused elsewhere.
Ads and legacy reputation drag it down
- Users report aggressive ads and confusing flows on the OpenSubtitles ecosystem.
- That does not prove fraud, but it does raise practical risk.
Category Scores
Red Flags & Warnings
- A major breach exposed millions of user records, including passwords stored with weak MD5 hashing on the legacy platform.
- Multiple user reports describe aggressive advertising and potentially dangerous ad redirects in the OpenSubtitles ecosystem.
- The service operates in a copyright-disputed area and has faced blocking actions in some regions.
Detailed Checks & Insights
0-100 Scale
Domain age and registration stability
Score: 86
Domain age and registration stability
"WHOIS shows an established registration record, which supports legitimacy."
Reason: The domain has a long registration history and does not look newly created or disposable.
Traffic and market presence
Score: 90
Traffic and market presence
"About 3.3M monthly visits and a global rank near #13.4K point to real usage."
Reason: The site has substantial traffic and a meaningful global rank, which is hard to fake at this scale.
Technical and hosting signals
Score: 84
Technical and hosting signals
"Cloudflare, Google Analytics, SPF/DKIM, and valid HTTPS are all present."
Reason: The site uses mainstream infrastructure and standard web stack components.
Contact and business visibility
Score: 79
Contact and business visibility
"An email contact is listed and the service has public-facing support pages."
Reason: The domain publishes direct contact information and visible service pages.
Blacklist and safety checks
Score: 92
Blacklist and safety checks
"These checks do not show current blocking or blacklist status."
Reason: No active Safe Browsing or crypto-scam blacklist hit was found.
Reputation and complaint signals
Score: 57
Reputation and complaint signals
"The service appears legitimate, but the user experience and ad environment are a real caution point."
Reason: There are repeated user complaints about ads, redirects, and the legacy OpenSubtitles experience.
Security history
Score: 41
Security history
"The breach involved millions of users and exposed weakly protected credentials."
Reason: A major prior breach materially weakens trust, especially for old accounts and password reuse.
Your Next Steps
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1
If you have ever used an OpenSubtitles password before, change it now and do not reuse it on other sites.
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2
Use a unique password and enable two-factor authentication wherever possible.
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3
Avoid clicking on ads or unknown download buttons, especially on legacy OpenSubtitles pages.
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4
If you only need subtitles, prefer trusted client integrations or browser add-ons over random web downloads.
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5
If you plan to pay for a service tied to OpenSubtitles, review the billing terms before entering card details.
Key Evidence & Citations
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Similarweb / SimilarTech evidence
⤷ Traffic and ranking snapshot for opensubtitles.com.
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WHOIS, DNS, and SSL evidence
⤷ Domain age, registrar, DNS, and certificate details for opensubtitles.com.
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Contact details scraper
⤷ Published contact email and related site references for OpenSubtitles.
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Google News results
⤷ News coverage of the OpenSubtitles data breach and its scope.
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Perplexity reputation summary
⤷ User-reported complaints about ads, redirects, and usability in the OpenSubtitles ecosystem.
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Google Safe Browsing check
⤷ No current Safe Browsing threat detected for the domain.
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WatchDog
Monitor this domain
Target Selected
opensubtitles.com
https://opensubtitles.com
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Alerts you if the website is linked to a data breach or hacking attempt.
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Tracks traffic changes that could signal a viral trend or major growth.
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Notifies you if the website’s ownership or contact info suddenly changes.
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Monitors for new security risks so you know about problems before they spread.