classroomscreen.com
Manage your classroom in a fun and engaging way. Classroomscreen is packed with widgets for teachers: timers, group makers, interactive polls and much more...
At a glance
- Category
- Other
- Language
- English
- Paid-content signal
- Paid contentObserved
- Registered
- 2017
- Hosting
- NetlifyInferred
- HTTPS certificate trusted
- PassedObserved
- Last updated
Related questions
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Website Overview
An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. Page metadata, canonical configuration and social previews work together to provide more consistent search and sharing presentation.
Domain and Registration
Registered in 2017, this domain has about 9 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The registrar is Tucows Domains Inc., a widely used domain service provider. The domain uses the common .com extension, which is not an independent safety signal.
DNS and Email
Nameservers are provided by Cloudflare, indicating managed DNS hosting. MX records point to the Google Workspace email service. CAA records restrict which certificate authorities are authorized to issue certificates. No CNAME was found; the observed records resolve directly to addresses. SPF and DMARC are configured. DKIM status is unknown.
TLS and Certificates
The public key uses EC with 256 bits. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate was issued within the Google Trust Services cloud or CDN ecosystem. The certificate's total validity is about 90 days, consistent with a short renewal cycle.
HTTP and Browser Security
The response lacks these common security headers: HSTS, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. CORS permits any origin to read this response. This is common for public resources; sensitive responses need narrower handling. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The cf-ray response header indicates a CDN or caching proxy in the delivery path. No obvious internal addresses or debug information were found in the headers.
Technology Stack Analysis
The public page identifies Nuxt, Cloudflare, Netlify without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
Twitter Card metadata is configured. The title has 55 characters, within a common display range. A meta description is present, with 158 characters. The observed directives allow indexing and link following. No Generator meta tag is publicly exposed.
Hosting and Email
Registration details
| Registrar | Tucows Domains Inc. |
|---|---|
| Registered | 2017-02-27 |
| Expires | 2027-02-27 |
| Domain status | client transfer prohibited、client update prohibited |
| Nameservers | augustus.ns.cloudflare.com、melody.ns.cloudflare.com |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | classroomscreen.com | 104.26.0.130 | 300 | — |
| A | classroomscreen.com | 104.26.1.130 | 300 | — |
| A | classroomscreen.com | 172.67.70.132 | 300 | — |
| AAAA | classroomscreen.com | 2606:4700:20::681a:182 | 300 | — |
| AAAA | classroomscreen.com | 2606:4700:20::681a:82 | 300 | — |
| AAAA | classroomscreen.com | 2606:4700:20::ac43:4684 | 300 | — |
| MX | classroomscreen.com | aspmx.l.google.com | 300 | 1 |
| MX | classroomscreen.com | alt1.aspmx.l.google.com | 300 | 5 |
| MX | classroomscreen.com | alt2.aspmx.l.google.com | 300 | 5 |
| MX | classroomscreen.com | alt3.aspmx.l.google.com | 300 | 10 |
| MX | classroomscreen.com | alt4.aspmx.l.google.com | 300 | 10 |
| NS | classroomscreen.com | augustus.ns.cloudflare.com | 86400 | — |
| NS | classroomscreen.com | melody.ns.cloudflare.com | 86400 | — |
| TXT | classroomscreen.com | Sendinblue-code:e6208216b53d636dc23f973e5dea1a3f | 300 | — |
| TXT | classroomscreen.com | detectify-verification=cc8a3baf085aab1b73808060f1007852 | 300 | — |
| TXT | classroomscreen.com | google-site-verification=l7ypNXpXmT-wYkXCoBHB6XgVQna_0gYPId8TcTWtwKQ | 300 | — |
| TXT | classroomscreen.com | google-site-verification=xRukUB__N4ZJqXe_8KDGIexy94ZsrjZuxJIg6tk-Cn0 | 300 | — |
| TXT | classroomscreen.com | pinterest-site-verification=445477712ebde08e2596e42296fb1e30 | 300 | — |
| TXT | classroomscreen.com | stripe-verification=920eacdbab5e43a3d7ba150d4d1fc777d5ef37bfbde34147e65bf57a38472e07 | 300 | — |
| TXT | classroomscreen.com | v=spf1 include:_spf.firebasemail.com include:spf.sendinblue.com include:helpscoutemail.com include:spf.flowmailer.net mx ~all | 300 | — |
| CAA | classroomscreen.com | 0 iodef "mailto:[email protected]" | 300 | — |
| CAA | classroomscreen.com | 0 issue "comodoca.com" | 300 | — |
| CAA | classroomscreen.com | 0 issue "digicert.com; cansignhttpexchanges=yes" | 300 | — |
| CAA | classroomscreen.com | 0 issue "letsencrypt.org" | 300 | — |
| CAA | classroomscreen.com | 0 issue "pki.goog; cansignhttpexchanges=yes" | 300 | — |
| CAA | classroomscreen.com | 0 issue "ssl.com" | 300 | — |
| CAA | classroomscreen.com | 0 issuewild "comodoca.com" | 300 | — |
| CAA | classroomscreen.com | 0 issuewild "digicert.com; cansignhttpexchanges=yes" | 300 | — |
| CAA | classroomscreen.com | 0 issuewild "letsencrypt.org" | 300 | — |
| CAA | classroomscreen.com | 0 issuewild "pki.goog; cansignhttpexchanges=yes" | 300 | — |
| CAA | classroomscreen.com | 0 issuewild "ssl.com" | 300 | — |
| DMARC | _dmarc.classroomscreen.com | v=DMARC1; p=reject; sp=quarantine; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400 | 300 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2、TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | classroomscreen.com |
| Issuer | Google Trust Services |
| Valid until | 2027-01-26T09:28 · Remaining when checked: 85 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html; charset=UTF-8 |
| cache-control | no-store,max-age=0,must-revalidate |
| server | cloudflare |
| content-security-policy | frame-ancestors https://*.classroomscreen.com https://*.google.com https://*.microsoft.com https://*.instructure.com |
| access-control-allow-origin | * |
Identified technologies
Pages, Search and Sharing
| Meta description | Manage your classroom in a fun and engaging way. Classroomscreen is packed with widgets for teachers: timers, group makers, interactive polls and much more... |
|---|---|
| Canonical URL | https://classroomscreen.com/ |
| Language | English (default) |
| Twitter Card | summary_large_image |
Social Sharing Preview
14 fieldsrobots.txt (opens in a new tab)
8 rulesAll bots 3 allowed · 5 disallowed
- Allow
/ - Allow
/app/screen/$ - Allow
/app/workspaces/$ - Disallow
/app/screen/ - Disallow
/app/workspaces/ - Disallow
/beta - Disallow
/organizations - Disallow
/checkout
No matching rules.
Sitemaps
1Recent Updates
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- Website Technologies
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- HTTP Response Information
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- DNS Information
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