Free Website Test tools by WebSitePulse
shodan.io scan data
zoomeye.org scan data
Forensics and pen test exercises
Malware Analysis resources
resources for malicious sites
sitecheck.sucuri.net
otx.alienvault.com
threatcrowd.org
censys.io
talos intelligence.com
whois
pastebin.com
iphostinfo.com cloudflare IP check
id-ransomware.malwarehunterteam.com
passivetotal.org
passivedns.mnemonic.no
hybrid-analsysis.com Malware
MXtoolbox.com Email Headers
Witch ntlm hash
SANS red forensics poster
TI Security collection