A92/100
flightradar24.com
Excellent, with 1 thing to fix
flightradar24.com scored 92/100 (grade A). The main issue is DKIM key shorter than 2048 bits. Detected senders: Google Workspace.
Checked 2026-10-04 02:20 UTC · fresh check
6 passed1 needs attention0 failing1 for informationDetected senders: Google Workspace
All checks
MXCan servers find your inbox?No issues foundPass
Nothing to report.
SPFWho may send as you?No issues foundPass
Nothing to report.
DKIMAre your emails signed?DKIM key shorter than 2048 bitsNeeds attention
- Warning: DKIM key shorter than 2048 bits
s2 (1024-bit) uses an RSA key below 2048 bits. Short keys can be factored and some receivers treat them as weak. Rotate to a 2048-bit key at your sending provider.
- Pass: DKIM key published
flightradar24.com publishes a DKIM key under s1, s2.
DMARCWhat happens to fakes?No issues foundPass
Nothing to report.
AlignmentDoes it match your From?No issues foundPass
Nothing to report.
BIMICan inboxes show your logo?No issues foundPass
Nothing to report.
MTA-STSIs mail to you encrypted?MTA-STS is in testing modeInfo
- Info: MTA-STS is in testing mode
Senders report TLS failures (with TLS-RPT) but still deliver. Switch to mode: enforce once the reports are clean.
TLS-RPTWill you hear about failures?TLS-RPT is configuredPass
- Pass: TLS-RPT is configured
TLS reports will be sent to mailto:infrastructure@flightradar24.com.