SenderSignal
How it worksFeaturesUse cases
Tools
DMARC
  • DMARC Checker
  • DMARC Generator
  • DMARC Report Analyzer
  • DMARC Analyzer
  • Domain Analyzer
SPF
  • SPF Checker
  • SPF Generator
DKIM
  • DKIM Checker
  • DKIM Generator
MTA-STS & TLS-RPT
  • MTA-STS Checker
  • TLS-RPT Checker
  • DANE Record Checker
Security & Threat Analysis
  • Lookalike Domain Checker
  • Fake Email Address Checker
  • Email Header Analyzer
  • IP & Domain Blacklist Checker
  • Phishing URL Checker
  • Phishing Email Checker
BIMI
  • BIMI Checker
  • BIMI Generator
  • BIMI SVG Logo Converter
  • BIMI Logo Validator
  • BIMI Simulator
  • CMC Simulator
DNS Tools
  • DNS Record Checker
  • TXT Record Checker
  • PTR Record Checker
  • WHOIS Domain Lookup
  • DNSSEC Checker
  • CAA Checker
  • MX Record Checker
  • DNS Record Splitter
  • WHOIS IP Lookup
  • DNS Propagation Checker
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System status

All systems operational.

Operational status of the SenderSignal platform components.

CURRENT STATUS
All systems operational
No active incidents.

Components

Check engine
48 blacklist & reputation sources
Operational
Alerting pipeline
Email, Slack, signed webhooks
Operational
Dashboard
sendersignal.com
Operational
Inbox Boost
Reputation ramp & engagement network
Operational
Status pages
Customer white-label status pages
Operational
Webhook delivery
HMAC-signed outbound webhooks
Operational

Past incidents

✓No incidents reported in the last 90 days.

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SenderSignal

Real-time deliverability and reputation monitoring for sending teams that take it seriously.

A product ofiInfo Science Labs
Features
Blacklist monitoringDeliverability monitoringSender reputationInbox BoostInbox placement testingAlerts & integrationsGuided DNS setupReports & status pagesTeams & security
Use cases
AgenciesE-commerceSaaS & transactionalCold outreachHigh-volume sendersBlacklist recoveryESP migrationNew domain launchPricingStart free
Free tools
SPF checkerDKIM checkerDMARC checkerBlacklist checkerEmail header analyzerBIMI checkerDNS propagationAll 34 tools →
Company
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