Phishing Investigation Tools

TempMail
Temp Mail provides temporary, secure, anonymous, free, disposable email addresses.

MxToolbox
MxToolbox is an online service that provides a set of tools for diagnosing and analyzing various aspects of email and domain-related issues.

Virustotal
VirusTotal is a free online service that allows users to scan files and URLs for potential malware and viruses.

Cisco Talos
Talos Intelligence is a well-known threat intelligence and research organization operated by Cisco. The "Reputation Center" is a feature on their website that allows users to check the reputation of domains and IP addresses.

AbuseIPDB
AbuseIPDB is an online platform that provides a community-based database of IP addresses that have been reported for abusive activities on the internet.