I am trying to figure this out. I have a Brother Label printer wired to a network that’s part of a windows domain. The workstations that will access the printer are Windows 11, MacOS, and iOS. In the windows Devices, for this specific printer, I have specified a hostname in the port setup, but because … Read More “Printer DNS Registration in Domain w/o Static IP?” »

Just a conceptual question, wondering if this is a case where it was just implemented that way and we are sticking with it or if there is an advantage here. I’m just learning about DNS and it seems a bit wonky that you have to remember to increment that value when you make changes. submitted … Read More “Why are manual serial numbers used in SOA records to determine version rather than using something automatic like a hash of the zone file?” »

first of all apologies for the noob question since i’m new to dns what i want to do is i want build a dns server for my company to do internal hostname resolution of user computers we don’t have an on prem AD as all of our users are on Entra ID and all of … Read More “internal hostname resolution of user computers” »

It’s been said that DNS is just an internet database that happens to handle address resolution. In the early days, the authors did a fantastic job making it do a tough job on very little computing power and bandwidth, but we’re not using T-1s on the backbone anymore. Has anyone ever thought about extending DNS … Read More “A strange request: DNS extended to be a real noSQL style DB or perhaps BGP?” »

A few mounths ago i realised that i can enter sites that are banned in my country and today when i booted my computer https://www msftconnecttest.com/redirect opened from firefox after that when i tried to do a dns leak test i realised that a lot of test sites were inaaccesable for examble dnsleaktest.com gives me … Read More “Help my dns is hijacked” »

Let’s say your app caches the IP of an A record locally, but the IP actually changed during the TTL. All your app will see is that the cached IP is no longer responding. Do you immediately launch a fresh DNS query? How do you tell whether the connection issue is due to potentially outdated … Read More “What’s common practice for dealing with potentially outdated DNS cache?” »

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I am moving mail systems for a client and they have their DNS pointed to the hosted exchange mail provider. I would like to move the NS to their registrar – how long it will take, they tell me the normal 24-48 hours. It never takes that long, does it? I have only done this … Read More “Move Name Server to Domain.com” »

I tried benchmarking tools, grc app and dnsspeedtest site to find the best dns for me. However on grc I got cloudfare as 1st and opendns as second and the difference was very minimal but on speedtest site I get opendns as first and cloudfare is at 6th position with a considerable difference. So, am … Read More “Different results in dns benchmarking tools” »

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