u40734265.
u40734265.ct.sendgrid.net/wf/open is a SendGrid email tracking pixel endpoint.
At a glance
Antivirus · registration · identity- Operator identity: Missing. No independently verifiable operator identity
- No engine classified the URL as malicious or suspicious in this scan; 59 returned harmless, 33 returned undetected, and 0 returned no usable result.
- The domain was registered Apr 20, 2009 and was 17 years old at scan time.
- Google Safe Browsing returned no listed threat categories for this address at scan time.
- The isolated page observation recorded 0 requests and did not mark the page as malicious.
Intelligence
This address matches the pattern of an email open-tracking pixel used by SendGrid to record when a recipient opens a marketing or transactional message. The isolated page observation recorded zero requests and no malicious indicators, the redirect path contained zero hops, and the hosting IP carried an abuse-confidence score of 0/100.
Evidence Map
Multiple reputation sources returned usable results
No independently verifiable operator identity
Only partial behavior evidence was available
The domain was registered Apr 20, 2009 and was 17 years old at scan time.
- 159 antivirus engines returned harmless
- 2Google Safe Browsing listed no threat categories
- 3Domain registered 17 years ago (Apr 2009)
- 4Valid TLSv1.2 certificate presented
- 5Hosting IP abuse-confidence score 0/100
Observed visitor journey
The URL http://u40734265.ct.sendgrid.net/wf/open is structured as a tracking endpoint rather than a landing page. No interactive elements, forms, or content were recorded during the isolated-page scan, and the redirect path contained zero hops.
Domain and infrastructure signals
The domain u40734265.ct.sendgrid.net was registered on 20 April 2009, making it 17 years old at scan time. A valid TLSv1.2 certificate was presented, and registration privacy was marked not observed. The hosting IP carried an abuse-confidence score of 0/100 from two reports.
Security-vendor results
Fifty-nine antivirus engines returned harmless, thirty-three returned undetected, and zero returned no usable result. Google Safe Browsing listed no threat categories for the address.
Visual and rendering findings
The page capture did not record a visual clone indicator. The visual risk score was 50/100 with clone indicator marked false. The screenshot was incomplete, indicating the site may be slow to render, so visual analysis remains inconclusive.
Website Preview
We could not capture a fully-rendered screenshot of this page; visual analysis is inconclusive.
- 1Screenshot incomplete — site may be slow to render
Web Research
Threat Detection
Antivirus results, browser warnings, isolated page observations, and the threat pattern identified in this report.
Antivirus engine results
No supported scam pattern identified
This profile separates the site's primary threat from other patterns supported by the saved page evidence, public research, and security findings.
Review the antivirus, identity, domain, and research findings before sharing money, credentials, personal data, or wallet access.
Technical Details
Identity, domain, infrastructure, and connection facts saved with this scan.
July 21, 2026 at 3:14 AM UTCIdentity
6 facts- Operator
- Missing
- On-domain email
- Not observed
- Other email
- Not observed
- Phone
- Not observed
- Postal address
- Not observed
- Social profiles
- Not observed
Domain
8 facts- Domain age
- 17 years old
- Registered
- Apr 20, 2009
- Registrar
- MarkMonitor Inc.
- Expires
- Apr 20, 2027
- WHOIS updated
- Dec 7, 2022
- Registrant
- Unavailable
- Registration country
- Unavailable
- WHOIS privacy
- Not observed
Infrastructure
14 facts- HTTPS
- Valid certificate
- TLS protocol
- TLSv1.2
- Certificate issuer
- GoDaddy.com, Inc. · Go Daddy Secure Certificate Authority - G2
- Certificate subject
- *.ct.sendgrid.net
- Certificate valid from
- May 29, 2026
- Certificate valid to
- Dec 13, 2026
- Network address
- 54.229.75.109
- ASN
- AS16509
- Hosting organization
- AMAZON-02 - Amazon.com, Inc., US
- Country
- IE
- Server
- Unavailable
- Site platform
- Unavailable
- IP reputation
- 0% confidence · 2 reports
- Tor exit node
- No
Connections
13 facts- Scan scope
- Specific page
- Destination host
- u40734265.ct.sendgrid.net
- Redirects
- 0
- Cross-domain redirect
- No
- Redirect status codes
- 200
- Lookalike characters
- Not observed
- Internationalized domain
- No
- Page response
- 200
- Observation coverage
- Complete
- Extracted links
- 0
- Unique IPs contacted
- 0
- Countries contacted
- 1
- Referenced domains
- 0
What to do
Use normal caution. The address functions as an email tracking pixel endpoint; treat any unsolicited email containing this link as ordinary marketing or transactional mail.
No incident response is indicated by this scan. Continue using normal caution, and act only if you notice an unexpected download, login prompt, payment request, or account activity.
Final Verdict
Why this verdict
The scan found no malicious classification from 59 antivirus engines, a clean Google Safe Browsing result, and a 17-year-old domain with a valid TLS certificate.
Use normal caution. The address functions as an email tracking pixel endpoint; treat any unsolicited email containing this link as ordinary marketing or transactional mail.
Key evidence
- 159 antivirus engines returned harmless
- 2Google Safe Browsing listed no threat categories
- 3Domain registered 17 years ago (Apr 2009)
Safety FAQ
Is u40734265.ct.sendgrid.net safe to use?+
The scan found no malicious classification from 59 antivirus engines, a clean Google Safe Browsing result, and a 17-year-old domain with a valid TLS certificate.
What should I do about u40734265.ct.sendgrid.net?+
Use normal caution. The address functions as an email tracking pixel endpoint; treat any unsolicited email containing this link as ordinary marketing or transactional mail.
How old is u40734265.ct.sendgrid.net?+
u40734265.ct.sendgrid.net is 17 years old and was registered apr 20, 2009.
What if I already interacted with u40734265.ct.sendgrid.net?+
No incident response is indicated by this scan. Continue using normal caution, and act only if you notice an unexpected download, login prompt, payment request, or account activity.
When was this report updated?+
This report reflects the scan completed July 21, 2026 at 3:14 AM UTC.
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