cemetech.net
No paid content found
Categories: Social & Community Development
Cemetech is a development site and community forum for TI-83+, TI-84+, TI-Nspire, and Casio Prizm graphing calculator programming, web, computer, and mobile coding, and hardware hacking and mods.
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Updated: 2026-09-26 19:15
Language: English (default)
Access: Normal
Profile views 6
Outbound visits 0
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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. Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms.
Domain and Registration
Registered in 2005, this domain has about 21 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 NameCheap, Inc., a widely used domain service provider. The domain uses the common .net extension, which is not an independent safety signal.
DNS and Email
Nameservers are provided by Namecheap, indicating managed DNS hosting. MX records point to the registrar-servers.com email service. No CNAME was found; the observed records resolve directly to addresses. SPF and DMARC are configured. DKIM status is unknown. TXT records include verification markers for Google. Such markers may also remain after a service stops being used.
TLS and Certificates
The public key uses EC with 384 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 by Let's Encrypt, commonly associated with automated certificate services. The certificate's total validity is about 89 days, consistent with a short renewal cycle.
HTTP and Browser Security
The response lacks these common security headers: CSP, Permissions-Policy. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. No obvious internal addresses or debug information were found in the headers. The Server header identifies nginx without an exact version. No explicit CDN or WAF marker was found in the response headers.
Technology Stack Analysis
The public page identifies Google Analytics, nginx without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
The meta description has 195 characters and may be shortened in search results. No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. No Open Graph metadata was detected, so social previews may depend on platform inference. The title has 4 characters, within a common display range. The observed directives allow indexing and link following.
Hosting and Email
Namecheap
Hosting
OVH SAS
Location
Quebec, Canada
Pages, Search and Sharing
| Meta description | Cemetech is a development site and community forum for TI-83+, TI-84+, TI-Nspire, and Casio Prizm graphing calculator programming, web, computer, and mobile coding, and hardware hacking and mods. |
|---|---|
| Canonical URL | Not detected |
| Language | English (default) |
| Twitter Card | Not detected |
Unknown
robots.txt (opens in a new tab)
22 rules
amazonbot 0 allowed · 1 disallowed
amazonbot
/
applebot-extended 0 allowed · 1 disallowed
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bytespider 0 allowed · 1 disallowed
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chatgpt-user 0 allowed · 1 disallowed
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claudebot 0 allowed · 1 disallowed
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claude-web 0 allowed · 1 disallowed
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cohere-ai 0 allowed · 1 disallowed
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diffbot 0 allowed · 1 disallowed
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facebookbot 0 allowed · 1 disallowed
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friendlycrawler 0 allowed · 1 disallowed
/
google-extended 0 allowed · 1 disallowed
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gptbot 0 allowed · 1 disallowed
/
magpie-crawler 0 allowed · 1 disallowed
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meltwater 0 allowed · 1 disallowed
/
meta-externalagent 0 allowed · 1 disallowed
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omgili 0 allowed · 1 disallowed
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omgilibot 0 allowed · 1 disallowed
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piplbot 0 allowed · 1 disallowed
/
scoop.it 0 allowed · 1 disallowed
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seekr 0 allowed · 1 disallowed
/
timpibot 0 allowed · 1 disallowed
/
webzio-extended 0 allowed · 1 disallowed
/
No matching rules.
Sitemaps
1
Registration details RDAP / WHOIS
| Registrar | NameCheap, Inc. |
|---|---|
| Registered | 2005-06-01 |
| Expires | 2027-06-01 |
| Domain status | client transfer prohibited |
| Nameservers | dns1.registrar-servers.com、dns2.registrar-servers.com |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | www.cemetech.net | 51.222.137.211 | 135 | — |
| AAAA | www.cemetech.net | 2607:5300:205:200::7170 | 300 | — |
| MX | cemetech.net | eforward1.registrar-servers.com | 1800 | 10 |
| MX | cemetech.net | eforward2.registrar-servers.com | 1800 | 10 |
| MX | cemetech.net | eforward3.registrar-servers.com | 1800 | 10 |
| MX | cemetech.net | eforward4.registrar-servers.com | 1800 | 15 |
| MX | cemetech.net | eforward5.registrar-servers.com | 1800 | 20 |
| NS | cemetech.net | dns1.registrar-servers.com | 1800 | — |
| NS | cemetech.net | dns2.registrar-servers.com | 1800 | — |
| TXT | cemetech.net | google-site-verification=K8kAb41a0n5XFXSA80_Ispsm6ve-nCnFdrBlsrAIj70 | 1799 | — |
| TXT | cemetech.net | google-site-verification=kEsZZTlvkEriBSembm_3A2BuLGylEy5EqhAnqx2GwO0 | 1799 | — |
| TXT | cemetech.net | google-site-verification=z0GqkxbzVSFlHgXcS05wZ8oB-sNg4BeiK-IcLdbSCKQ | 1799 | — |
| TXT | cemetech.net | v=spf1 a include:mailgun.org include:_spf.google.com include:_spf.mailersend.net include:spf.efwd.registrar-servers.com ~all | 1799 | — |
| DMARC | _dmarc.cemetech.net | v=DMARC1; p=quarantine; pct=100; fo=1; ri=86400; sp=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; | 1799 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2、TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | prod.cemetech.net |
| Issuer | Let's Encrypt |
| Valid until | 2026-11-15T04:48 · Remaining when checked: 49 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html; charset=utf-8 |
| server | nginx |
| strict-transport-security | max-age=31536000 |
| x-frame-options | DENY |
| x-content-type-options | nosniff |
| referrer-policy | same-origin |
Identified technologies
User reviews (0)