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Thanks. With this fix, the error message is gone.

Oh sorry, there is a file with date 06. January:

Hi! No changes. Same error, after that curl command. There is no /etc/apt/apt.conf.d/99weakkey-warning.

Hi! System OS: Ubuntu 24.04.3 LTS Plesk: 18.0.75 I got this error after "apt update" as root: How can I fix it?

Sorry, but I don't get it. It's OK, not to edit netplan. My target is, to get that DNSBL work, without an account. Just to use local settings / local resolver. How do I setup Plesk or my server, to use a DNSBL, like bl.spamcop.net, b.barracudacentral.org, or zen.spamhaus.org?

In this article, they recommended using local DNS in resolving.conf (like DNS in netplan): https://www.plesk.com/kb/support/incoming-mail-to-plesk-server-is-rejected-by-spamhaus-bl-error-open-resolver/

If I am using the providers DNS in netplan, DNSBL won't work. The masked IP is the IP from my server provider. Not the IP from my server or the DNS IP in netplan.

Thanks. Yes, that is the easy part. The difficult one is, to use a local resolver. And there's no word about that, in your link. Without a local resolver, DNSBL doesn't do anything in 2025.

Hi! DNSBL require local DNS. I am using Plesk as Master DNS, to resolve my hosted domains. If I am using the DNS resolver from my provider in netplan, DNS is working perfectly, instead of DNSBL. If I am using local IP (127.0.0.1 or the given IP from my provider) in netplan config, DNS won't work...

That's it! I disabled DNSSEC in Plesk, and I am getting a dig-answer! Is this normal?

This could be useful, I've done another dig without "+short": dig @plesk.domain.de defect-domain.de TXT ; <<>> DiG 9.10.6 <<>> @plesk.domain.de defect-domain.de TXT ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 42443 ;; flags: qr...

Yes! What do you mean? The domain ist configured like every other domain. I just need to declare the primary (my Plesk server) and some secondary DNS. As I said: subdomains from this problem-domain are working!

Hi! As I said, I am getting an answer on subdomain and all other domains. Only this one domain did not answer. DNS is enabled. The repair does not change anything. No errors after running and same error with dig.

Hi! I am using Plesk 18.0.62 on Ubuntu 20.04.6 LTS with some domains and Plesk as Primary DNS. One of my domains got DNS Problems. No answer on main-domain, only subdomains. No answer with main-domain: dig @plesk.my-domain.de +short domain.de TXT but subdomain gives an answer: dig...

I got more than 20 mails from name "Bitcoin Halving" with changing mail addresses. How can I block them? Using blacklist allows me to block addresses, not names.

OMG! That's simple, but it works... :eek:

Hi! My Plesk (Version 18.0.26) certificate is outdated. So I decided to renew it manually. After that it's still outdated. I deleted it (Home > Tools & Settings > SSL/TLS Certificates) regarding to this docs. And create a new certificate. My browser always says I got that same old certificate...