<span>Trivia 30 - CA

<span>Description
</span>
What is the CA that issued Alexctf https certificate (flag is lowercase with no spaces)
<span>
Solution
</span>
Viewing the certificate issued by ctf.oddcoder.com, we see its CA is "Let's Encrypt"
<span>
Flag: </span>letsencrypt</span>

Original writeup (https://github.com/KevOrr/ctf-writeups/blob/master/alexctf-2017/trivia/30-CA.md).