https://www.alibabacloud.com/help/en/functioncompute/fc-2-0/user-guide/configure-custom-dns-settings-for-functions
Override DNS Resolvers for Functions via resolv.conf - Function Compute - Alibaba Cloud
When default DNS servers cause resolution failures in Function Compute, override 100.100.2.136/100.100.2.138 by configuring custom nameservers, search domains,...
dns resolvers
https://www.mail-archive.com/search?l=users@lists.fedoraproject.org&q=subject:%22Re%5C%3A+Fedora+41+firewalld+blocking+DNS+after+switching+to+custom+resolvers%22&o=newest&f=1
subject:"Re\: Fedora 41 firewalld blocking DNS after switching to custom resolvers"
fedora 41