Sendgrid.net (Domain) Investigation Report
Generated on May 7, 2026
Why we think so?
sendgrid.net is a domain associated with SendGrid, a well-known transactional and marketing email delivery service now owned by Twilio. This domain has been active since 2009, with stable ownership by Twilio Inc. It is supported by a solid infrastructure and handles significant monthly traffic, primarily from the United States and Japan. However, multiple reports indicate SendGrid’s platform has been exploited in phishing campaigns, and users commonly report customer support and account suspension issues. While sendgrid.net itself is not flagged as scammy or blacklisted, users should remain alert for phishing attempts exploiting SendGrid’s brand and protect their accounts accordingly.
Risk Insights
Legitimate Ownership and Infrastructure
- Long-term domain registration by Twilio Inc.
- Stable DNS infrastructure and SSL certificates
- Consistent and high web traffic
Phishing and Abuse Evidence
- Frequent phishing campaigns impersonate SendGrid
- Compromised SendGrid accounts used for spam
- Users report account suspensions impacting trust
Category Scores
Red Flags & Warnings
- Recent phishing campaigns exploit SendGrid services to steal user credentials, affecting user trust and security.
- User complaints about poor customer support and account suspension issues reduce reliability perception.
Detailed Checks & Insights
0-100 Scale
Domain Ownership and WHOIS Data
Score: 90
Domain Ownership and WHOIS Data
"Registered since 2009; registrar MarkMonitor is reputable."
Reason: Domain has long-term registration and is owned by reputable entity Twilio Inc.
Traffic Volume and Source
Score: 85
Traffic Volume and Source
"~39 million monthly visits in early 2026; direct and mail traffic dominate."
Reason: High traffic volume with credible traffic sources mainly from US and Japan.
Blacklist and Security Flags
Score: 90
Blacklist and Security Flags
"Recent scans show no risks or matches with known blacklists."
Reason: No blacklist or phishing flags detected in Google Safe Browsing or crypto scam databases.
Trademark and Brand Verification
Score: 90
Trademark and Brand Verification
"Multiple USPTO registrations confirm brand ownership and protection."
Reason: SENDGRID trademarks are active and owned by Twilio, confirming legitimate brand use.
User Reviews and Reputation
Score: 50
User Reviews and Reputation
"Reviews reflect widespread frustration with support responsiveness and suspensions."
Reason: Many user complaints about support and account suspensions, affecting trust.
Phishing and Abuse Reports
Score: 40
Phishing and Abuse Reports
"Multiple news sources report credential phishing and compromised SendGrid accounts."
Reason: Documented phishing attacks exploit SendGrid platform, impacting reputation despite legitimate usage.
Your Next Steps
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1
Do not use sendgrid.net as your login or service domain until confirming authenticity; use official sendgrid.com and app.sendgrid.com URLs.
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2
Be vigilant against phishing emails impersonating SendGrid by checking for spoofed sender addresses and unusual links.
-
3
If you receive suspicious emails referencing sendgrid.net, report them to abuse@sendgrid.com and avoid clicking any links.
-
4
Ensure strong account security practices: use two-factor authentication, strong passwords, and monitor account activity regularly.
Key Evidence & Citations
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SimilarWeb Traffic and Engagement Data for sendgrid.net
⤷ Shows monthly visits (~39M in April 2026), traffic sources, and engagement metrics.
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WHOIS and DNS Records for sendgrid.net
⤷ Domain registered since 2009, owned by Twilio Inc., with valid SSL certificate.
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USPTO Trademark Records for SENDGRID
⤷ Multiple active trademark registrations owned by Twilio entity for SENDGRID.
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Phishing and Security News about SendGrid
⤷ Reports on frequent phishing attacks abusing SendGrid infrastructure in 2024-2025.
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Customer Reviews and Complaints about SendGrid
⤷ User feedback highlights account suspensions and customer support issues.
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