Should I be concerned that Let’s Encrypt uses a Ukrainian certificate server? [closed]

I was looking through my Firefox browser Certificate Manager list of servers and came across this one:
Server: xn--80aealdk(a-dozen-more-characters):443
Certificate Name: tr-vs.com.ua
Lifetime: permanent
Issuer: Let’s Encrypt

Is this a le… Continue reading Should I be concerned that Let’s Encrypt uses a Ukrainian certificate server? [closed]

Can a wildcard certificate act as CA for subdomains? [duplicate]

Inspired by Is LetsEncrypt activity Public?
Say I’ve got a *.mycompany.com certificate from LetsEncrypt on my primary production server. I want to generate a certificate for my honeypot, which might obviously get stolen.
Can I use *.mycomp… Continue reading Can a wildcard certificate act as CA for subdomains? [duplicate]

ECDSA certificates not impacted by Let’s Encrypt certificate chain change?

We received an email from Cloudflare about the upcoming Let’s Encrypt certificate chain change.
At some point, it states that "Additionally, this change only impacts RSA certificates. It does not impact ECDSA certificates issued throu… Continue reading ECDSA certificates not impacted by Let’s Encrypt certificate chain change?