Tim via users: > > My internal DNS can obviously answer my LAN addressing queries, and > > it's set up to also resolve queries about internet addresses. It runs > > as a full server. No public server can answer queries about my LAN. Marco Moock: > Then only have the internal DNS set in your OS. If you have at least > one set that behaves different, you get arbitrary results. That is what I do. > > On various ISPs, as a customer, if you ask their DNS server for their > > mail server addresses you may get a different answer than if an > > outsider asked the same query. > That is simply a rather crappy solution. There's a lot that do it, it's a rather simple solution to when *you* connect from home you're connected directly to them and use their mail server (for example) with full privileges. However, if you're roaming and use their mail server you connect through a more restricted way. Likewise if they offer other services, like proxies. Though, because one of my ISPs had a really crappy DNS server when I joined them 20 years ago I started running my own server. It was overloaded and *very* slow at responding. It was that bad that it made dial-up internet even slower. Sometimes it didn't respond at all. It frequently gave no answer for the service's own news server address. And it was the biggest ISP in the country (Telstra) who ought to be able to do a lot better. -- uname -rsvp Linux 3.10.0-1160.119.1.el7.x86_64 #1 SMP Tue Jun 4 14:43:51 UTC 2024 x86_64 Boilerplate: All unexpected mail to my mailbox is automatically deleted. I will only get to see the messages that are posted to the mailing list. -- _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
