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Security Analysis Results

teflinstitute.com

Comprehensive domain security and infrastructure analysis

Live Website Preview

website screenshot of https://u23084836.ct.sendgrid.net/ls/click?upn=u001.TgsWQUbVtSGaKCwluubU1jcWzxtxOdlO8017FF89rpIsDtvJHtlUHi5rOA92lv17Wq5jCakR2VMkKUPiNbWSIxOW9RFSxcJJb9X5wzhxRwsaTmktbH48rwbCXmSTjMdS2AuxbRszKOV1sMjlpHMKaj88aISZiZqxp41i81wUJuw-3DvFEp_SQO88IZcLsgPOf6cYYJ-2BNwgFWXLiVFXsFmd5sKq0fNrbQ-2BSjCgqPFIWecfxln8NO7e0IsNAnojBekEQ4VHn59PqeuM8MCQ2Fqr2AjXt-2BzL38flwPh4gqVkc0kV3VlmfLdB4tbyf-2Faanf9QvW0a3i65k9rYAKT27sfVhIt5H1t0poK-2BX9xdWePvBQJRZEM6Fw92bzzi6xh9BbB-2FBNRacbtA-3D-3D

No Security Risks Detected

This domain appears to be safe and secure

100%
Score

Disclaimer: This assessment is based on automated analysis of publicly available information. Results are for informational purposes only. For critical applications, consult security professionals.

Scan Information

Last checked:April 8, 2026 17:56:14
Target URL:https://u23084836.ct.sendgrid.net/ls/click?upn=u001.TgsWQUbVtSGaKCwluubU1jcWzxtxOdlO8017FF89rpIsDtvJHtlUHi5rOA92lv17Wq5jCakR2VMkKUPiNbWSIxOW9RFSxcJJb9X5wzhxRwsaTmktbH48rwbCXmSTjMdS2AuxbRszKOV1sMjlpHMKaj88aISZiZqxp41i81wUJuw-3DvFEp_SQO88IZcLsgPOf6cYYJ-2BNwgFWXLiVFXsFmd5sKq0fNrbQ-2BSjCgqPFIWecfxln8NO7e0IsNAnojBekEQ4VHn59PqeuM8MCQ2Fqr2AjXt-2BzL38flwPh4gqVkc0kV3VlmfLdB4tbyf-2Faanf9QvW0a3i65k9rYAKT27sfVhIt5H1t0poK-2BX9xdWePvBQJRZEM6Fw92bzzi6xh9BbB-2FBNRacbtA-3D-3D
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Page Information

Target URL
https://u23084836.ct.sendgrid.net/ls/click?upn=u001.TgsWQUbVtSGaKCwluubU1jcWzxtxOdlO8017FF89rpIsDtvJHtlUHi5rOA92lv17Wq5jCakR2VMkKUPiNbWSIxOW9RFSxcJJb9X5wzhxRwsaTmktbH48rwbCXmSTjMdS2AuxbRszKOV1sMjlpHMKaj88aISZiZqxp41i81wUJuw-3DvFEp_SQO88IZcLsgPOf6cYYJ-2BNwgFWXLiVFXsFmd5sKq0fNrbQ-2BSjCgqPFIWecfxln8NO7e0IsNAnojBekEQ4VHn59PqeuM8MCQ2Fqr2AjXt-2BzL38flwPh4gqVkc0kV3VlmfLdB4tbyf-2Faanf9QvW0a3i65k9rYAKT27sfVhIt5H1t0poK-2BX9xdWePvBQJRZEM6Fw92bzzi6xh9BbB-2FBNRacbtA-3D-3D
Page Title
Attention Required! | Cloudflare
teflinstitute.com faviconSite Favicon
Status
Active

Host Information

Domain
teflinstitute.com
Server
cloudflare
Country
United States
IP Address
104.21.84.32
ASN Information
13335
CLOUDFLARENET

Technologies

Zoho logo
Zoho
CRM
Amazon Web Services logo
Amazon Web Services
PaaS
Zoho Mail logo
Zoho Mail
Email
Sendgrid logo
Sendgrid
Email
HSTS logo
HSTS
Security
Cloudflare Browser Insights logo
Cloudflare Browser Insights
Analytics
+3 more technologies detected

SSL Certificate

HTTPS Enabled
Secure
Certificate Issuer
N/A
Valid From
2026-04-07 17:56:23
Valid Until
2027-04-08 17:56:23
Subject Name
teflinstitute.com

Performance Statistics

7
Total Requests
3
Domains
3
IP Addresses
16.06 KB
Transfer Size
Content Size46.99 KB

HTTP Headers

CF-RAY
9e9326001d38c77a-SEA
Cache-Control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Connection
keep-alive
Content-Encoding
zstd
Content-Type
text/html; charset=UTF-8
Date
Wed, 08 Apr 2026 17:56:23 GMT
Expires
Thu, 01 Jan 1970 00:00:01 GMT
Nel
{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Referrer-Policy
same-origin
Report-To
{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=9zbbGd1cdjjWIuGILiulSheMJ6vnotIRziVqB3vXmGTp4L3r%2FarM9w6RW0C%2BGgKYFSZrsdFHIbB%2FB8tsRos4AC%2FXZ9aoAUlU1cUsZ7abA5Rnfc2bXYkhKJufGhTDr1KgJvVTWA%3D%3D"}]}
Server
cloudflare
Server-Timing
cfEdge;dur=3,cfOrigin;dur=0
Strict-Transport-Security
max-age=15552000; includeSubDomains; preload
Transfer-Encoding
chunked
X-Content-Type-Options
nosniff
X-Frame-Options
SAMEORIGIN
alt-svc
h3=":443"; ma=86400
17 headers detected

Technology Stack Analysis

Zoho

Zoho

CRM

Zoho is a web-based online office suite.

Amazon Web Services

Amazon Web Services

PaaS

Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality.

Zoho Mail

Zoho Mail

Email

Zoho Mail is an email hosting service for businesses.

Sendgrid

Sendgrid

Email

SendGrid is a cloud-based email delivery platform for transactional and marketing emails.

HSTS

HSTS

Security

HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.

Cloudflare Browser Insights

Cloudflare Browser Insights

AnalyticsRUM

Cloudflare Browser Insights is a tool that measures the performance of websites from the perspective of users.

Cloudflare

Cloudflare

CDN

Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

Amazon SES

Amazon SES

Email

Amazon Simple Email Service (SES) is an email service that enables developers to send mail from within any application.

HTTP/3

HTTP/3

Miscellaneous

HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.

External Links 1

Cloudflare

www.cloudflare.com

Analyze
Target URL
https://www.cloudflare.com/5xx-error-landing

Requested Domains 3

static.cloudflareinsights.com

Unknown Type
No category information available

teflinstitute.com

Apex domain
Categories
EducationEducationClothingSociety & Lifestyle

u23084836.ct.sendgrid.net

Unknown Type
No category information available
LinkCheck

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