RFC3227 GUIA RECOLECCION DE EIVDENCIA
Dirreciones Ip
http://www.ipaddresslocation.org/
https://www.iplocation.net/
https://ip8.com/
https://www.robtex.com/
https://ipalyzer.com/
https://sites.google.com/a/dmcingenieria.net/knowledbase/correo_electronico/extraer-encabezados-de-correo-desde-un-cliente-de-correo
https://www.verifyemailaddress.org/#result
https://haveibeenpwned.com/
https://mxtoolbox.com/blacklists.aspx

Metadatos

https://www.extractmetadata.com/es.html
http://exif.regex.info/exif.cgi
https://metashieldclean-up.elevenpaths.com/
https://www.metadata2go.com/