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Alternate DNS server outside of domain

cm flag

I'm managing a small network that only has a single DC, which is running DNS. When I'm doing maintenance in the server in order for users to keep internet connectivity I have to configure a alternate DNS server (like 1.1.1.1) on each desktop.

Are there disadvantages of me doing this configuration on every desktop (maybe even through a GPO)? Meaning, is it good practice to do so in small companies with only one DC?

djdomi avatar
za flag
good practice is using DHCP for clients
joeqwerty avatar
cv flag
Why are you performing server maintenance during production hours? Why do you have just a single DC? Address those issues and you'll solve your problem.
cm flag
@joeqwerty It's the only time I can perform maintenance, I work in an MSP and the working hours coincide with the clients production hours. Regarding the single DC server, well it's a question of money, I'm there twice a month, they rather have the servers down 2 hours per month than paying more licences. They are a very small client, it's not really a problem, there are only 2 people working at lunch time when I'm restarting servers. The reason I've posted the question is because I've always been curious if there is a downside to configuring a public DNS as alternate on clients desktops.
cm flag
@djdomi I use DHCP to assign IPs, but I don't think it's related to what I asked, or am I missing something?
joeqwerty avatar
cv flag
OK, well... is it good practice? No, it isn't. Should you do it? If that's what you have to do then that's what you have to do.
cm flag
@joeqwerty ok, so maybe the best thing is for me to only do it in the desktops that really need it (for internet connectivity) and not do it on a company wide level. Thanks
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