ÊTRE CYBER
etrecyber.frby Christophe Mazzola
FR
Check

Did this email really come from there?

Paste the message’s technical headers. We read the three verdicts that matter, SPF, DKIM, DMARC, and translate what they mean.

3 min

Everything runs in your browser. Nothing is sent, nothing is stored, nothing is logged.

In Gmail: the three dots, then Show original. In Outlook: File, Properties. In Apple Mail: View, Message, Raw source.

The related area

EmailYour email is the master key to your digital life: whoever controls it can reset everything else. 94% of attacks travel through it.See this area’s actions

In the same family

All the tools
How long would my password hold?You type, it answers. We show the gap between what your password looks worth and what it is actually worth, that gap is the whole story.2 minHas my password leaked?We query the known breach databases without ever sending your password: only five characters of its fingerprint leave. Nobody, us included, can rebuild it.1 minIs this link a trap?Paste the address. We take it apart piece by piece and tell you where it really goes, the real site name is rarely the one you think.1 min