What powers 
schooltool.com?
Last seen Oct 2026 · 16 technologies across 12 categories
CDN
Amazon SES
since Jan 2026
MailChimp
since May 2023
JavaScript libraries
Load balancers
Amazon ALB
since Oct 2021
Marketing automation
HubSpot
since Dec 2021
Miscellaneous
Operating systems
Windows Server
since Oct 2021
PaaS
Amazon Web Services
since Oct 2021
UI frameworks
Bootstrap
since Nov 2021
Web frameworks
Blazor
since Aug 2024
Microsoft ASP.NET
since Oct 2021
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 92% desktop
- 8% phone
United States
Canada
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.76 / 10 · ranked #270,982 of all domains
176 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.1 MB · 3 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Sep 2000 (26 years) via Network Solutions, LLC, renews Sep 2030
- Hosted on Amazon Web Services (16.15.212.0)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Apr 2027
- Common Crawl link graph: rank 137,522, 37 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| home.schooltool.com | 13 |
| cnyric01.schooltool.com | 9 |
| cnyric02.schooltool.com | 9 |
| cnyric03.schooltool.com | 9 |
| cnyric04.schooltool.com | 9 |
| cnyric05.schooltool.com | 9 |
| cnyric06.schooltool.com | 9 |
| cnyric07.schooltool.com | 9 |
| cnyric08.schooltool.com | 9 |
| cnyric09.schooltool.com | 9 |
| cnyric10.schooltool.com | 9 |
| edutech.schooltool.com | 9 |
| esb.schooltool.com | 9 |
| esbreports.schooltool.com | 9 |
| gst1.schooltool.com | 9 |
| gst2.schooltool.com | 9 |
| gst3.schooltool.com | 9 |
| monroeoneric01.schooltool.com | 9 |
| nassau01.schooltool.com | 9 |
| scric01.schooltool.com | 9 |
| scric02.schooltool.com | 9 |
| scric03.schooltool.com | 9 |
| scric04.schooltool.com | 9 |
| scric05.schooltool.com | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Amazon SES Jan 2026