Questions tagged [dns]

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

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Why doesn't routers hostname end in .local?

I am pretty new to these things but am a bit confused. When I check the hostname on my router using host 192.168.1.1 it returns with "ttrouter" - unlike other hostnames why doesn't this one ...
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30 views

Sent items appearing as drafts on Exchange 2016 (Windows 10)

After setting right IMAP, POP and SMTP parameters, my locally installed Exchange 2016 is still not able to send emails (nor receive) any, and when i send emails from a normal user it returns : "...
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DNS not accessing commonly available sites or slow down my browser

I am located in China and I use Google’s DNS (8.8.8.8), DuckDuckGo cannot be accessed. If I use OpenDNS, the Chrome browser cannot translate webpages. DNS Watch will cause the speed of my browser to ...
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Google Wifi + PiHole: Redirecting DNS requests

Current setup involves 3 mesh google wifi devices + 1 Raspberry PI 1 B model running pihole. Most of the time it runs fines as it is, but I've noticed some devices (i.e. Chromebooks, chromecasts, etc) ...
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Will DNS failing lead to LLMNR broadcast at any cases?

If somehow DNS were to respond errors like no IP found for this hostname or dns runtime error something similar to that, even if it is a link like www.google.com does LLMNR use broadcast after DNS ...
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13 views

bash script to switch to random vpn profile every hour

i have a namecheap paid vpn service with hundreds of profiles (ovpn conf files), each allowing me to have an IP address from a different country. i would like do switch between those profiles every ...
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62 views

Browsing to local DNS addresses instead of using them as a search query, without prefixing http

If you try to enter a DNS address that isn't a public website, say, myinternalhomepage.lan, the first response from the average web browser like Chrome or Firefox will be to treat them as plaintext to ...
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24 views

What would be the simplest and cutting edge network configuration?

I'm trying to better understand how network services are organized and work together. Recently I moved from Ubuntu to Manjaro. There (on Ubuntu) systemd-resolved is used for DNS resolution managment. ...
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Windows 10 VPN Split tunneling remote hostname not resolving

when I'm connected through VPN, I cannot ping by hostname to remote machines. I tried some solutions to set the vpn interface order here which should work but it's not working for me I have disabled ...
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DoT: how DNS over TLS resolver resolves its own hostname

It is possible to use hostname of DNS resolver instead of IP address (e.g. in Android 9+) for DNS over TLS servers. Google provides dns.google and Cloudflare offers 1dot1dot1dot1.cloudflare-dns.com ...
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why Macs on the networks failing to access but windows is able to?

We have multiple machines on the same network with 2 Apple Macs, why Macs are unable to access https://pub.dartlang.org/ but windows does it? I am getting ERR_CONNECTION_TIMED_OUT on my Mac NOTE: ...
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How does Authoritative DNS server deal with CNAME type?

Let's a hostname is HelloWorld.com, and it has a alias name hw.com, so when the application on my host want to know the ip address of hw.com, this DNS query goes to the Authoritative DNS server of ...
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Can Firefox use custom DNS server?

I'm using Firefox for browsing on my local computer. I have my own Pi-Hole on one cloud server. I can change Windows DNS settings and it works for the whole system. Because of quite a complex network, ...
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how does DNS server handle subdomain?

Let’s I visit the web page at NetCinema by requesting url www.NetCinema .com, and we know that the local DNS server will query NetCinema's authoritative DNS server to the the ip address of NetCinema ...
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How to make firefox try to open a website before searching it

I have set .proj as a superdomain for local development with custom CA for https. Everything works fine except for one thing. If i enter application.proj in the address bar, then instead of going to ...
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should it be a Type A record resource for mail server?

I was reading a textbook which says: When you register the domain name networkutopia.com with some registrar, you also need to provide the registrar with the names and IP addresses of your primary ...
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Adding a TLS certificate to a DNS which redirects to another web server with existing TLS certificate?

I have a Cpanel instance running on server Alpha (lets call it www.something.com). I've created a DNS A record (aaa.something.com) which points to another server 167.xxx.xxx.xxx which is not under my ...
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How can I investigate random outages on my internet connection?

I have an unlimited 10Gbps consumer broadband fibre connection in Switzerland. I have noticed random loses in connectivity to the internet, both on wifi and wired local connections. What steps can I ...
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My domain does not work without “www” entered

I have a domain that I'll called example.com. At this time, | Entry | Result | |-------------------------|--------| | http://example.com | Fails: "The resource you are ...
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Router configuration,.Slow speeds

I am a Noob so please bear with me.I have an ISP provided dual band router (2.4GHZ and 5 GHZ). My problem is I am not getting the maximum speed (100 Mbps) according to my plan and my ISP is not very ...
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1answer
56 views

HOSTS file ignores IP addresses on Windows 10

I want to redirect a particular IP address to localhost so I added its IP into hosts file. But when I ping that IP address it works and doesn't redirect to 127.0.0.1. But when I add a domain name to ...
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centos 7 router: dns resolving for clients not working

Im playing arround and configured a CentOS 7 VM to work as router for other clients on the network, following this guide: https://linuxtechlab.com/turning-centosrhel-6-7-machine-router/. Everything ...
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How to Pointing an IP to a Domain? Reverse DNS or Reverse Proxy?

Recently my client asked me to make his DigitalOcean droplet IP pointing to his Domain that already hosted in Namecheap. But my client only gives me his DigitalOcean account, domain name and its NS (...
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resolve local hostnames from vpn client

when I connect to a openvpn server I cannot resolve loacl hosts in my LAN. I can rather ping the IP's and ssh to the IP. My /etc/reslov.conf when connected to openvpn: # Dynamic resolv.conf(5) file ...
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Configure FreshTomato router to behave like a DNS server

What I am trying to do is to block ads on network level. I have a secondary router with fresh-tomato firmware on it. This firmware provides adblock out-of-the-box. Now, I want to point DNS settings of ...
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Multiple minecraft servers on different subdomain and port

The following things I have only learned by my self, by reading forums, stack overflow pages and testing myself. So this will be all over the place and I'm not sure what I am doing all of the time. ...
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Does changing DNS cause problems

I have VALORANT but it shows a connection error that is resolved by changing my DNS. So should I change it back after playing or keep the DNS. Will it affect other things. Which DNS is better: ...
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Where does Android get its DNS information when connected to Wi-Fi? [migrated]

I'm hosting a server on my LAN with a port exposed publicly by the router. myserver.mydomain.com is pointing to the static IP of my router. So I can access the server from the the internet. To make ...
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IPV6 - SLAAC, DHCPv6 Stateless, DHCPv6 Stateful and M vs O bit

Good day everyone, I have questions regarding IPv6. (1) I implemented Stateful DHCPv6 and the messages went thru (SARR) and clients are getting ip addresses and dhcpv6 options, no problem! Now, I ...
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How do I block incoming and/or out-going WhatsApp traffic/requests on a Google Wifi Router?

I'm interested in methods/solutions for blocking incoming and/or out-going WhatsApp requests and/or traffic on a personal home Google WiFi network. I also have the Google WiFi app with manager/admin ...
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54 views

Using BIND With Different Nameservers for Different Devices

I am running pfSense with BIND installed. On that machine, for a subnet of devices, I want the requests to go to OpenDNS and add my own records that would take precedence over OpenDNS. For the rest of ...
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Limit Windows Server DNS insecure dynamic updates

I would like to find out if it's possible to restrict insecure updates to a single IP. I have a firewall with a DHCP, which is capable of sending DNS updates, even signing them with TSIG, but only ...
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Domain name not resolving (Windows Server 2012 R2) in internal network

This is in a lab environment. All systems are Virtual Machines. I have a user (Windows 7) a webserver (Server 2012 R2) a DNS server (Server 2012 R2, not the same machine as the webserver) I'm trying ...
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Mixing DNS and HTTP challenge with Traefik 1.7

I am running Traefik 1.7.0 and using the Cloudflare DNS challenge for Let's Encrypt certificates. This is working fine. On one Docker host, we have some internal services and some which we run on ...
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Why is there persistent network activity to my ISP's DNS while connected to VPN, but no leaks are detected?

When using a commercial VPN, it creates a virtual ethernet adapter with its own DNS servers. If I check for DNS leaks using any of the websites for that purpose, it shows the VPN's DNS only. But when ...
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Why do some devices on my network fail to resolve DNS from time to time?

How is it that I can have multiple devices connected to a router — some wired, some Wi-Fi — and from time to time, one or more of them will suddenly have DNS issues such as ERR_NAME_NOT_RESOLVED? When ...
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59 views

Will registry fix for CVE-2020-1350 break active directory DNS on 2008 R2 DC

Microsoft has release a patch for a critical vulnerability for their DNS Server software. https://support.microsoft.com/en-au/help/4569509/windows-dns-server-remote-code-execution-vulnerability CVE-...
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freedns.afraid.org isn't working with my Fritz!Box

When I'm setting up a freedns.afraid.org domain with my IP to connect to a Minecraft server, it doesn't recognise the IP. It's the right IP as I've tested the number IP on my own. I think this is an ...
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Giving Docker multiple containers unique public hostnames on a single Ubuntu server

I'm looking to set up multiple Docker containers to serve different hostnames on a single machine, without the hassle of Kubernetes. CONTAINER ID IMAGE COMMAND STATUS ...
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How do I solve DNS_PROBE_FINISHED_NXDOMAIN on android [migrated]

I have an ssl web app hosted on my home network that uses dyn-dns to maintain my public IP address and a CNAME record to point my actual domain name to the dyn-dns domain name. This all works fine on ...
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27 views

Unable to load websites for unknown reasons

I'm using Windows 8 on my laptop, and I'm occasionally having trouble loading websites for the past 3 months. It starts with the websites taking a longer time to load than usual. Then they will stop ...
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22 views

Windows 10 Internet Connection Sharing, With CentOS 8 Core

I'm trying to use ICS on a Windows 10 2004 machine similar to this question Sharing internet connection windows-linux. In this scenario, the Internet Connection is the WiFi and the Home Networking ...
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18 views

DNS leak when using OpenVPN on Ubuntu

I'm trying to connect to VPN server using provided config, but the problem is that config works great on Windows, but on Linux (I have kubuntu 20.04) I'm experiencing DNS leakage. My IP address is ...
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Testing DNS set on VM(Ubuntu server) on Windows host PC

I am new to this community. I am currently studying computer science and I am trying to practice some stuff here at home while locked. So at the university we have computers that are connected to the ...
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Dynamic DNS for Multiple Zones in BIND

I am currently running BIND on my pfSense router. I have DHCPv4 setup to publish dynamic updates to the BIND server for my internal view. This works well and as expected. Next I want to setup the same ...
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nslookup and dig error: connection timed out; no servers could be reached - even when specifying server

I'm on Ubuntu 18.04.3 and my internet suddenly stopped working. I can ping local and WAN ip addresses and I have already restarted the network: sudo service network-manager restart These commands: ...
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27 views

Set Windows (10) default DNS server with custom port (not 53)

Could not find the info. Is it possible somehow to set Windows default DNS server with a custom port other than 53? So I belive not possible: https://tools.ietf.org/html/rfc2181 "Except in ...
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22 views

Best choice for private/home network TLD? Overlap with mDNS?

I'm trying to make my home network settings sane and I noticed I have a mix of TLDs with .local and .localdomain (the latter is the default of my Ubiquiti Security Gateway). I understand that .local ...
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24 views

Chrome not opening google.com, address bar search?

I have never experienced anything like this. Here is what is happening: I cannot open google.com, not even in incognito mode. I can open google.co.in I cannot search via the address bar in chrome ...
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29 views

Which service on Windows 10 hosts is responsible for DNS resolution?

I would have thought that the answer to this question is the DNS Client, but it specifically says in the documentation: "The DNS Client service (dnscache) caches Domain Name System (DNS) names ...

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