I tried, it didn't make a difference. I noticed it gets fixed if i sleep and wake the PC. Adding a bit more logs: 24.11.2021 16:58:14.461 [3688:1188] DEBUG [RESOLV] <dns_resolver>: Question [name: avcloud.e5.sk, type: A] resolving finished; record found in cache 24.11.2021 16:58:14.498 [3688:1188] DEBUG [RESOLV] <dns_resolver>: Question [name: avcloud.e5.sk, type: A] resolving finished; record found in cache 24.11.2021 16:58:14.512 [3688:1188] DEBUG [RESOLV] <dns_resolver&