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Questions tagged [dns]

Translates domain names to IP addresses. DNS stands for Domain Name System.

0
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1answer
21 views

Local hostname not working without the trailing dot

I noticed all my local hostnames have a trailing dot at the end when I use some LAN scan tool on my Android phone. And without it, I can't get a ping to work from my Windows desktop (it works fine ...
0
votes
0answers
9 views

Prevent DNSMasq from forwarding host names to external DNS

I have configured DNSMasq to serve as the DNS for my local network. However, I have also connected some of my client machines to a VPN. When trying to resolve hostnames across the VPN, an external DNS ...
1
vote
1answer
17 views

Procedure for setting up FTP using domain name on home server

There are lots of excellent articles relating to the setup of FTP, DNS, Windows Server 2016, domain names and routers. What I am looking for is a procedure to link them all together for my home ...
0
votes
1answer
34 views

Local DNS to resolve intranet address

My question is: I have a Windows 7 PC connected to Intranet, with DNS and everything is working normal. (Using wireless connection). I want to install DNS server on this PC, working on Ethernet ...
0
votes
1answer
25 views

Can connect (telnet, dovecot etc) to my own server from an external network but not when I am on the same lan

I have a server (mail - postfix+dovecot, web - apache) on a kvm guest where the host is on a local network behind a normal router (zte or whatever the ISP provided). KVM guest has an IP on the same ...
1
vote
0answers
24 views

How can I forward queries from a DNS to another depending on the IP address?

I set two DNS servers using bind9 which recieve queries from other PCs on a LAN. Both pc's have their own domain and so far I managed to make the main server redirect queries to the backup one if ...
0
votes
0answers
19 views

Switch ISPs and lost internet connection on debian server

Version root@server:~# cat /etc/debian_version 8.11 Can't resolve host names root@server:~# ping www.google.com ping: unknown host www.google.com ifconfig -a root@server:/# ifconfig -a docker0 ...
-1
votes
2answers
14 views

More on Supposedly Dynamic IPs

There are a few reasons why I'd like to be able to change my ip address, and none is shady. Here's one reason: I do a fair amount of internet research. On one project, I found that I was blocked from ...
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0answers
15 views

How do I force Firefox to trust local DNS resolved on MacOS?

I have problems where Firefox magically decides to resolve some internal addresses using different resolvers than the default one specified by MacOS (Mojave). DNS resolutions works well in current ...
-3
votes
0answers
22 views

Please give me a hand with BIND [closed]

Please tell me which errors you see on this BIND configuration and zone files and send this 3 pages to me with mistakes corrected please keep in mind I'm on Centos 6 with ipv4 and I have all services ...
0
votes
1answer
20 views

How do I clear the DNS cache in Windows 10 version 1709? [duplicate]

Probably the easiest way to clear the cache would be to restart the DNS Client service, but the option is grayed out even if I load the Services window as SYSTEM through PsExec. If I use something ...
1
vote
0answers
41 views

Enable Firefox DNS over HTTPS breaks every site

I have been trying to play around with the DNS over HTTPS feature that has rolled out to firefox browsers. I have tried both Firefox 63, and the Nightly 65 release. I set network.trr.mode = 3, and ...
0
votes
1answer
24 views

Can ISP see name resolution when i use OpenDNS or Cloudflare DNS?

I used OpenVPN tunneling for privacy from my ISP for a long time now. But recently ive run into an issue where my DNS over the VPN goes to the wrong internal IP. So I've decided to not block outside ...
7
votes
2answers
782 views

DNS resolution, Browser navigation, and cache

I know NS update could take over 24h. However during this process there is something that intrigues me. I can't change ISP router's DNS so I set WAN/LAN to use Google Public DNS The process scenario:...
0
votes
0answers
18 views

Nmap -p port ip shows STATE: FIltered

I am setting up the BIND9 DNS server. On my machine, everything works, it shows open STATE. nmap -p 53 IP Starting Nmap 7.60 ( https://nmap.org ) at 2018-11-29 11:32 EET Nmap scan report for DNS ...

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