Alternatives to optica.org
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optica.org is hosted on AS701 Verizon Business in United States of America. Its SSL certificate from DigiCert Inc expired on 15 Jul 2024, and the site does not support HTTP/3. WOT's community rates its safety excellent (80/100).
What security vendors and the WOT community say about this domain.
What loads and tracks visitors when the homepage opens.
Running a full browser scan of the homepage… This takes about a minute.
1,858 similar domains registered in the last 90 days — possible typosquatting or phishing.
| Domain | Why it’s similar | Registered | Status | Report |
|---|---|---|---|---|
| optica.tn | Other extension | 19 Sept 2026 | Checking… | Report → |
| optica.ltd | Other extension | 17 Sept 2026 | Checking… | Report → |
| optiva.xyz | Typo | 5 Nov 2026 | Checking… | Report → |
| optiva.one | Typo | 3 Nov 2026 | Checking… | Report → |
| optics.asia | Typo | 23 Oct 2026 | Checking… | Report → |
From CubDomain's daily newly registered domains. Similar doesn't mean malicious.
Is optica.org’s name taken on other extensions?
Estimated visitors and engagement.
| Top countries | Share | Visits | Desktop | Mobile |
|---|---|---|---|---|
| United States | 36% | 389,850 | 70.1% | 29.9% |
| Japan | 9.6% | 103,366 | 100% | 0% |
| Germany | 8.4% | 90,502 | 24.9% | 75.1% |
| Argentina | 7.5% | 81,589 | 3.6% | 96.4% |
| India | 5.6% | 60,510 | 100% | 0% |
2 technologies detected across 2 categories.
Detected from headers, page source and DNS · Automatic and may be incomplete · Suggest a correction
Every IP address optica.org resolves to, and where it's hosted.
| Host | IPv4 address | TTL |
|---|---|---|
| optica.org | 65.202.222.44 | 3600 |
| Host | Mail server | TTL |
|---|---|---|
| optica.org | 10 smtpin1.osa.org | 3600 |
| Host | Name server | TTL |
|---|---|---|
| optica.org | ns1.osa.org | 3600 |
| optica.org | ns2.osa.org | 3600 |
| Host | Text | TTL |
|---|---|---|
| optica.org | "9d350c95735158309032b37bd7796f1add5394b50ef35bcb64" | 3600 |
| optica.org | "adobe-idp-site-verification=a279589f411b05463947b84bb4825e32643fe38a986aaa43159a694dcda6059a" | 3600 |
| optica.org | "google-site-verification=QURlA1riblijejGn-hACwj9wM6oTnhY2ZixO049rO68" | 3600 |
| optica.org | "google-site-verification=zbEgK2Z5yAvHPIhBcaLu6nHFufP0aLTEJEYz8z3Eq_c" | 3600 |
| optica.org | "MS=ms52428184" | 3600 |
| optica.org | "slack-domain-verification=KcD73gmneEGKplSvWZK3eZx2bIux9dMLZ7xmHUjb" | 3600 |
| optica.org | "v=spf1 redirect=optica.org.hosted.spf-report.com" | 3600 |
| optica.org | "ZOOM_verify_A546zZzVq4P2JuY5DwdGa1" | 3600 |
| Host | Start of authority | TTL |
|---|---|---|
| optica.org | ns1.osa.org administrator.osa.org 224 900 600 86400 3600 | 3600 |
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Reviews are from CubDomain users and are separate from the security verdicts above.
Common questions, answered from this report's data.
WOT's community rates optica.org excellent for safety (80/100). Its SSL certificate expired on 15 Jul 2024. See Security →
optica.org is served from 1 IP address, mainly on AS701 Verizon Business in United States of America. See Hosting →
We detected 2 technologies, including Google Analytics and jQuery. See Built with →
The first response from http://www.optica.org, before any redirect: caching, server and policy headers.
Four timed TCP connections to port 443 from CubDomain's servers.
CubDomain is not affiliated with optica.org. Data is collected independently from public sources and some figures are estimates, provided for information only.
Spam and malware blocklists for the site's IP and mail servers.
Found in public certificate transparency logs.
Searching the certificate transparency logs… This can take up to a minute.
When the site first appeared, and what has changed since.
We record what changes from the next time this report is refreshed.