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Questions tagged [dns]

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

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Migrating from Bind9 to PowerDNS - forwarders

I have been studying how to migrate the Bind9 DNS server to PowerDNS, but I am stuck in the following situation: In Bind9 in the named.conf file, I have the "forwarders" settings for 8.8.8.8,...
Fausto Branco's user avatar
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MS-domain: Some SRV-records not working thru resolver

Hi all! I'm trying to fix this problem for several months now. We are using Cisco Umbrella as DNS protection, but when using it's DNS server, my endpoints wont work properly. Because of that, we are ...
Netan's user avatar
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Bind9 Response Rate limiting for a specific subnet

I want to configure bind9 so that a specific IP range is restricted from sending too many requests. Suppose I want to limit the range 2001:dead:beef/48 to 5 requests per second. This can, according to ...
npr_se's user avatar
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Wix does not allow to add NS records

I want to delegate internal.infraheads.com to my internal nameservers, but I depend on Wix as they enforce the use of their NS servers. And they don't support adding NS records required for NS ...
Edik Mkoyan's user avatar
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macOS refusing to use my primary dns server (dnsmasq on same network)

I run dnsmasq 2.89 to resolve IPs for local services on my network. I use DHCP to set the primary DNS server IP to my dnsmasq instance, and the primary to Cloudflare DNS. I am using macOS 14.3.1 as my ...
Lily Mara's user avatar
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AdGuard Home: DNS IPv4 Rewrite (Discard AAAA) for CNAME Domains

After reading Docs, I still cannot figure out how to: By default, 2024.aclweb.org CNAMEs to acl-org.github.io. Lots of domains CNAME to *.github.io, and I want to specify 185.199.111.153 for all ...
Hinomori Shizuku's user avatar
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Understanding DNS IPv6 result using dnsmasq

I'm new to IPv6. I've redirected a domain to 0.0.0.0 on dnsmasq DNS server like so: address=/domain.com/0.0.0.0 when I use nslookup on this domain using my DNS server I get the following result: ...
Dinamo's user avatar
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What is the difference/precedence of resolved.conf and a .network configuration?

There are two places where I can set up the DNS server for a systemd linux (static configuration): in /etc/systemd/resolved.conf, in the [Resolve] section, a DNS= entry in /etc/systemd/network/<...
WoJ's user avatar
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5 votes
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Why does Firefox refuse to load sites if there is an entry in the ‘/etc/hosts’ file in macOS 14.4.1 (Sonoma)?

If I make an entry in /etc/hosts for a site, Firefox (v125.0.3) refuses to load the site. I'm running macOS 14.4.1 (Sonoma). The entry in the /etc/hosts file is: 93.184.215.14 example.com www.example....
Eaten by a Grue's user avatar
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If both RA and DHCPv6 provide DNS servers, which one would devices use?

I use a home router that also has a DNS server that forwards to the ISP DNS servers and caches them. But I don't want to use ISP DNS servers, so I configured the router's DHCP and DHCPv6 server to ...
huupoke12's user avatar
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How i do a DNS server in Kali linux?

I want to do a DNS server, with two web pages, i have the db.system.com and db.testing.com: ; ; BIND data file for local loopback interface ; $TTL 604800 @ IN SOA ns.sistemas.com. ...
J K's user avatar
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Setting up reverse DNS for home email server with IPv6 on Linux Ubuntu 22.04 or Debian

I'm trying to set up an email server at home using Ubuntu 22.04 and IPv6. I would like to configure a reverse DNS for my IPv6 address to ensure reliable email delivery. I've followed this guide to set ...
Felipe S's user avatar
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Rebooting breaks dns-server docker container

This is my ~/docker-webdev-stack/docker-compose.yml services: dns-server: container_name: dns-server hostname: dns-server image: technitium/dns-server:latest # For DHCP deployments, ...
Daviid's user avatar
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how to block http://tplinkwifi.net/ url

let's say we are on windows 7, and we want to block a specific URL from getting resolved. one would assume to throw it into HOSTS file and job is done, but for some reason this does not work, so the ...
gamer0's user avatar
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LAN Networking - Local DNS Name not Working in Windows Browser

I have a home server (running Ubuntu, which I named "lenovo") that runs a couple of HTTP servers. These HTTP servers are accessible to other clients on my home LAN. They are always ...
Eddified's user avatar
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Set wsl2 to use host nameserver

I'm using wsl2 on Windows 11, and I recently encountered a problem where when I change networks, the wsl2 dns (nameserver at resolve.conf) address doesn't update, to match, and there for cannot lookup ...
Shoham Ben Shitrit's user avatar
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New OPNsense setup, almost all default, 1111&8888 DNS set but can only access few sites?

So, I have a protectli box with opnsense 23.7.5 installed, currently I have the ISP router/modem in front of the opnsense box and a laptop (which I have been dual booting between win/lin) to try to ...
rick94's user avatar
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Mirror traffic to two different loadbalancers

We have infrastructure that receives traffic from devices through a route53 subdomain pointed to a load balancer. The domain is configured on the devices and its not feasible to update/add another ...
BUCKSHOT's user avatar
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Windows 10/11 network does not show all the computers

Three PC - Win 11 Home, Win 10 Pro (2x) Gigabit Ethernet, router (CISCO/TP-Link/Mikrotik) as DNS and DHCP server (static/dynamic/predetermined), the same workgroup Setting is the same in all the PCs:...
Vladimir Z.'s user avatar
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2 answers
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Can't configure Windows to reply me with proper IP address from ping utility

I have a problem with my OS. The ping utility is returning me wrong IP address when I try to ping local hostname server. On my server I have 3 interfaces: Ethernet0, Ethernet1, Ethernet2 The primary ...
Mi1anovic's user avatar
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Connecting to WireGuard no Internet Access

I'm using an old laptop as a Home server and I wanted to set up a VPN (Wireguard & DuckDNS using PiVPN) following this guide: https://chriskalos.notion.site/The-0-Home-Server-Written-Guide-...
MrXQ's user avatar
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What could be a possible reason for a server within a local network not being accessible as external domain?

I have a domain name "example.com" that points to my public IP (80.92.102.112). The router connected to the internet (192.168.0.1) forwards specific ports to a router within the network ...
Reverent Lapwing's user avatar
1 vote
2 answers
34 views

Expected local range address not resolving to local host

I have a web server running locally with the this address: 127.0.0.1:8000. 127.0.0.1 <-- Local IP address 8000 <-- Port number When I use netstat command, I see the many IP addresses under ...
user3103957's user avatar
1 vote
1 answer
308 views

How to use DuckDNS for multiple letsencrypt DNS challenges (normal + wildcard cert)

The tools Let's encrypt is the source of nearly all SSL/TLS certificates for HTTPS at the hobbyist level, offering automatic issuance and renewal of certificates, using challenges offered over HTTP or ...
lupoCani's user avatar
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Can you forward custom domain traffic to an ip address that is behind a NAT?

I do not know much about this topic so any help would be appreciated. I live in university residences and the internet connection that is provided to us is hosted by Wifinity networks. I run a media ...
SmokySauce's user avatar
1 vote
1 answer
73 views

Is it possible to have a single IP for a VM in different networks?

I am learning about DNS administration in Linux. And I do it in my office and home. In office my IP range is 10.x.x.x/21 whereas in my home, my IP range is 192.x.x.x/24. Since I am learning DNS by ...
achhainsan's user avatar
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Enable DNS Windows 10 host for WSL2

By default, WSL2 appears to pick up the Windows Host IP Address as its autoconfigured DNS server. This can be seen by inspecting the contents of /etc/resolv.conf. For example $ cat /etc/resolv.conf ...
user3728501's user avatar
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ping and getent hosts give different result

I have entry in /etc/hosts 1.1.1.1 db_external When I am doing ping I get it correct ping db_external PING db_external (1.1.1.1) When I am doing getent hosts db_external for some reason I got : ::...
arheops's user avatar
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216 views

AdguardHome DNS not working for Wireguard VPN clients on OpnSense

For my home network I have a x86 System running OpnSense. I use Wireguard to connect external devices with my network (set up according to the official documentation). This setup worked fine until I ...
Bruno's user avatar
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docker container can't resolve hostnames defined in dns-server container

dns-server container version: "3" services: dns-server: container_name: dns-server hostname: dns-server image: technitium/dns-server:latest # For DHCP deployments, use &...
Daviid's user avatar
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CentOS Stream 9 Name or service not known frequently

I have a computer running CentOS Stream 9 as server. It is connected to my router directly by wire. It is working well except getting 'Name or service not known' frequently (like about 10 mins once) ...
LittleyLv's user avatar
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69 views

DNS fails with Cellular Modem wwan0 interface

I have a Raspberry Pi running the latest Raspberry Pi OS with Linux Kernel 6.6. I have a Quectel EC25 modem with an active SIM card that successfully connects to the internet. I can ping 8.8.8.8 ...
PhilBot's user avatar
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My WiFi Mesh has two routers! I want to know how come the 10.xxx.xxx.xxx router shows up and how to remove it?

I have a Google Mesh WiFi router, and it works perfectly. But when I setup a Synology NAS, it shows a two router warning: I then did tracrt, it does show two private IP addresses: PS C:\Users> ...
Renmeng Xiao's user avatar
5 votes
2 answers
2k views

How can I perform an mDNS lookup on Windows?

Background I have a device plugged into my Windows PC via Ethernet. The device is running an mDNS service and has its own hostname (gp800-49d1a). From WSL, I can ping gp800-49d1a with success, and I ...
nullromo's user avatar
  • 333
-1 votes
1 answer
87 views

Universal home DNS

I have many network devices at home and I would like to have them accessible on network in human-friendly way. I do not want the devices to be accessible directly from the internet. My needs: Device ...
Petr Újezdský's user avatar
1 vote
1 answer
124 views

How may I stop Chromium browser to attempt resolving DNS on their own?

When I say resolve DNS on their own I'm not referring to DoH, thought by extension it's in there too. I mean regular/standard/unencrypted/"classic" DNS. When I switch networks on my ...
Vita's user avatar
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27 views

Win11: Manual DNS settings in VPN does not apply

I would like to connect to a VPN and manually configure DNS settings in Win11: I've disabled ipv6, and manually set DNS server addresses. However, when I executed nslookup in CMD, I got Default ...
孙佳垚's user avatar
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45 views

OpenWRT routing DNS traffic *from* router through OpenVPN tunnel

OpenWRT 23.05.2 Router: Linksys WRT3200ACM OpenVPN configured (NordVPN) NordVPN has a static IP I am paying for (to help things like streaming services not complain about being on a VPN) I have 2 ...
Cliff Hill's user avatar
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Block with firewall a dns request containing a certain query

Example let's say I'm with iptables or nftables I want to allow a certain traffic like the following one: iptables -A OUTPUT -d 192.168.1.1 -p udp --dport 53 -j ACCEPT iptables -A INPUT -s 192.168.1.1 ...
user3450548's user avatar
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23 views

Cannot access GoDaddy subdomain link

Our company has setup the GoDaddy sub-domain link for a while But sometimes we find that some users are unable to access the link and the error code is ERR_TIMED_OUT So i check my PC if i got the same ...
June's user avatar
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0 votes
1 answer
32 views

Subdomain with custom NS record failing to resolve

I am currently hosting a domain example.com. On this domain are two subdomains of note, foo.example.com and bar.example.com. The DNS records for these subdomains are configured as follows: foo....
user1081303's user avatar
0 votes
1 answer
41 views

pihole - Can I call a local top level domain name anything?

Possibly a stupid question, but I am setting up pihole on my home network. I am sure it has been asked before but searching didn't yield any relevant results, Maybe just the way I asked. I added some ....
unsafe_where_true's user avatar
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1 answer
102 views

Certain browsers stopped working (ERR_CONNECTION_RESET)

I have Windows 11. Recently Edge, Chrome and Brave all stopped working on my Desktop PC (ERR_CONNECTION_RESET). Firefox and Vivaldi still work. I have tried resetting all the network settings back to ...
Rob Sedgwick's user avatar
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0 answers
66 views

Why is windows 11 sending conventional DNS requests after enabling DNS-over-Https?

I enabled DOH on my Wi-Fi. It works. But using Wireshark, I still see explicit DNS requests and see the DNS server refusing the requests. Why is this happening, and what's the meaning of DOH to ...
dspjm's user avatar
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76 views

PowerDNS forward requests

I want to switch from bind to PowerDNS. My setup works just fine for resolving queries for which my DNS is authoritative, but I cannot find the setting on how to forward requests that yield NXDomain ...
Fang's user avatar
  • 343
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1 answer
51 views

Router not responding to DNS queries?

I'm trying to build a VPN with zerotier since I don't have a public IP. I have an ASUS router at home with zerotier installed which joined the network with ip (192.168.195.208). I'm currently trying ...
zkh's user avatar
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29 views

Blocking DNS server from a router via iptables

I'm trying to block google dns server (8.8.8.8) from my router, so no machine in the network could not access this dns server. here is my iptables table: Chain INPUT (policy ACCEPT) target prot ...
Dinamo's user avatar
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0 votes
1 answer
72 views

Accessing resource with a single URL over two networks -- home network and remote (wireguard) network

Wireguard network I am currently trying to setup a wireguard tunnel in this format. The reason I am using wireguard is to tunnel through my home's NAT (I do not have a static IP or access for port ...
Aryan's user avatar
  • 123
0 votes
1 answer
24 views

multilevel sub domain no control over root domain's provider

I have a multi tenancy requirement where I need to host couple of apps in my service cloud (AWS + lambda, EC2, S3). I have a couple of UI apps in Angular(hosted in AWS-S3) and an API in Node (AWS ...
Joy Biswas's user avatar
1 vote
0 answers
128 views

How to use sshuttle to redirect traffic to a VPN?

Context I have a pfSense as a router/firewall, and relevant to this question, I have two connected computers, one laptop and one desktop. I use the laptop to connect to a VPN in order to access some ...
greatbard's user avatar
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