Questions tagged [dns]
Translates domain names to IP addresses. DNS stands for Domain Name System.
4,989
questions
0
votes
0
answers
2
views
Name resolution hangs on 127.0.1.1 (server.domain.tld localhost)
I have a problem.
My server has the following /etc/hosts (Debian 10 Buster):
root@myserver:~# more /etc/hosts
127.0.0.1 localhost
127.0.1.1 myserver.myorg.tld myserver
When I attempt ...
- 146
0
votes
1
answer
13
views
Does domain registrar (godaddy) automatically route subdomains to the same server as that configured for the domain?
I have purchased a domain from the registrar (godaddy) - for example mycompany.com
When this url is entered in the browser, the browser will direct the request to the configured IP address (which is a ...
- 143
0
votes
0
answers
19
views
Can a domain name be an alias of a page of a website hosted on a web hoster?
Let's say my wordpress website is example.com. I want to create an event named momentum and I created a page for it at example.com/events/momentum. The thing is that momentum is a really important ...
1
vote
1
answer
40
views
dig and nslookup results connection timeout for my subdomain.cloudns.nz using 8.8.8.8 as dns but it works for anything else or from somewhere else
when i run dig @8.8.8.8 mysub.cloudns.nz i get this :
; <<>> DiG 9.16.1-Ubuntu <<>> @8.8.8.8 mysub.cloudns.nz
; (1 server found)
;; global options: +cmd
;; connection timed ...
- 126
1
vote
1
answer
45
views
How does DNS name resolution work? [closed]
Could someone point me to a good, comprehensive explanation of how DNS name resolution works? I've seen a few simplified examples where a client connects to the root DNS server ("."), which ...
- 13
5
votes
1
answer
505
views
Why are rDNS query responses not always an inverse of DNS query responses?
Consider the following run of the dig command, where I simply query for the IP address of google.com:
$ dig google.com
; <<>> DiG 9.16.1-Ubuntu <<>> google.com
;; global ...
- 157
0
votes
0
answers
31
views
Can MacOS use home.arpa as a DNS search suffix? Mine is configured but MacOS seems to ignores it
My home DNS domain is home.arpa, and my Mac cannot resolve simple DNS hostnames (without domain), e.g. pc. However, it will resolve the fqdn just fine, e.g. pc.home.arpa. The domain home.arpa is ...
- 269
0
votes
0
answers
26
views
Remove redundant DNS servers in Ubuntu 22.04
Ubuntu 22.04
Original:
root@ubuntu:~# resolvectl
Global
Protocols: -LLMNR -mDNS -DNSOverTLS DNSSEC=no/unsupported
resolv.conf mode: stub
Link 2 (ens5)
Current Scopes: DNS
...
- 1
0
votes
2
answers
21
views
Which DNS records are safe to delete after setting up iCloud+ email?
I'm setting up iCloud+ custom domain email and Apple instructs to add 5 DNS records. I've added them all but I see a bunch of other records that were already there:
13 A
2 CNAME
2 NS
1 SOA
The ...
- 103
0
votes
0
answers
16
views
How to add DNSCrypt DoH to list of known servers on Windows 11
I wanted to use the DNSCrypt DoH with Windows 11 and I am not 100% sure what is the proper way to do that
These are the commands I think might be possibly right
netsh dns add encryption server=127.0.0....
- 565
0
votes
0
answers
17
views
How to block all connections to a IPSec VPN from a specific dns
I have a IPSec VPN set up on my Ubuntu-VPS, and I would like to block everyone using the VPN from communicating with all domains ending with .exampel.com. I will be the only one using the VPN so ...
0
votes
1
answer
21
views
How to configure dhcpcd to work with default dns?
I have an embedded Linux device which connects to wifi. It is configured with DHCP and configured to use a specific DNS server. The current configuration works.
However, I want to remove the DNS ...
0
votes
1
answer
17
views
Secure DNS, NAT, DSNMASQ, and local addresses
My home network consists of an ISP supplied router, a Raspberry PI providing DHCP, DNS with dnsmasq, including local addresses behind NAT. Some weeks ago, I noticed that when I tried to connect to my ...
- 103
2
votes
1
answer
56
views
Windows not returning any IPv6 address in DNS lookup
My DNS contains two records for ServerA:
an A record with its IPv4 address: 10.25.46.130
an AAAA record with its IPv6 address: fda8:6c3:ce53:a890::55
I am not able to get my SimpleClient.java ...
- 21
0
votes
0
answers
16
views
Send custom/malformed DNS request
The CTF is over now, but there was a CTF called NahamCon (link) that I was playing earlier. There was a challenge that I was certainly interested in but didn't know how to do:
screenshot
I understood ...
- 1
0
votes
0
answers
22
views
OpenVPN: route to the same domain where the server is located
Domain mydomain.com is defined in Windows' hosts file, OpenVPN uses it's IP address. So, when I go to mydomain.com in browser, my setup doesn't use DNS resolving (I have to explicitly connect to VPN ...
- 101
0
votes
0
answers
34
views
How define custom DNS server for QEMU VM via CLI?
How define custom DNS server for QEMU VM via CLI?
I want only for that virtual machine dns at 192.168.1.51 which is pi-hole.
sudo qemu-system-x86_64 -gtk -m 1G -hda "ubuntu22.qcow2" -cpu ...
0
votes
1
answer
42
views
why does it take chrome two minutes to pick up that a domain has been specified/blocked in the hosts file, and can that time be decreased a lot?
I'm specifying certain domains in my hosts file to block them. So redirecting a domain to 127.0.0.1 when i'm not running any web server on 127.0.0.1 will block that domain.
why does it take chrome two ...
- 21.6k
0
votes
0
answers
11
views
Locally map or redirecting an URL to another URL for the client side?
Is it possible to redirect an URL to another URL, for the client only. As example.
Let's say, I type this in the URL browser https://google.com/this_page_does_not_exist/it_doesnt_exist
it just gives ...
- 275
0
votes
0
answers
10
views
Technitium DNS service can't run
I have version 3 of technitium on windows 10 64bit. but after selecting from menu of service -> start. Alarm appears:
can't start service 'DnsService' on computer ',', :
- 101
0
votes
0
answers
37
views
Unifi guest hotspot: "Redirect using Hostname" but no DNS?
I have a Unifi UAP-AC-LR access point and wanted to setup the guest portal for friends. It sort-of-worked on my phone, but didn't work on my laptop. I think it had to do with the self-signed cert/...
- 1
0
votes
1
answer
28
views
Can I redirect to a specific IP Address depending on the incoming port via DNS on Cloudflare?
I basically want to send port 443 to my github pages site and port 25565 to my minecraft server. Is that possible?
- 1
0
votes
2
answers
66
views
How to set up dnsmasq under linux to use a wildcard domain for local web development with lando/docker?
I recently discovered lando for local web development, which uses docker in the background. It works great so far, but I have to add every domain for each project manually to my hosts file
/etc/hosts:
...
- 517
0
votes
2
answers
38
views
Privacy: VPN and DNS
I'm using a VPN for privacy purposes. If I ensure that the DNS requests are sent through the VPN I can select whatever DNS Server I like? Is there any advantage to using the DNS Server provided by the ...
0
votes
1
answer
44
views
OpenVPN - name resolution between connected clients
I am looking for a solution with which distributed clients can easily reach each other via the internet.
For this I have set up an OpenVPN server to which all clients connect.
If I connect myself to ...
- 1
1
vote
1
answer
31
views
Restrict users from changing their Primary DNS server while connected to my Wi-Fi connection
Is there a way to prevent users to change their DNS server while connected to my Wi-Fi connection? As far as I know, they can change their DNS server (e.g. 1.1.1.1, 8.8.8.8, etc.) on the Wi-Fi ...
- 11
0
votes
0
answers
12
views
When pinging other windows remote server from a web server, it gives host unreachable error. How can I fix this issue?
Noob here. I have a web server(WEBP) and a file server (FILEP). While logged in webserver, when trying to access the file from a windows separate file explorer im able to see it but when trying to ...
1
vote
0
answers
23
views
Is there a way to detect when a domain is caught by the Hosts file?
On Windows, I use the etc/hosts file to block some domains, for example because they are often used to serve ads. But sometimes, a program tries to connect to a blocked domain for a legitimate reason ...
- 170
0
votes
0
answers
18
views
OpenVPN can't resolve private domain with allow-pull-fqdn option
I'm using OpenVPN client with allow-pull-fqdn and route-nopull options to just route some domains through tunnel. It's working for public domains, but for local private domains it doesn't work. It ...
- 1
0
votes
2
answers
44
views
Local DNS - can I put it on the Internet?
Let's assume:
I own a domain example.com
I have a publicly available DNS server ns1.example.com
I want to host websites available on the internet e.g. app-prod.example.com
I want to host other ...
- 101
0
votes
1
answer
19
views
DNS with parental control not working on (Ubuntu) Linux
I'm testing the FamilyShield DNS (https://www.opendns.com/setupguide/#familyshield) on Ubuntu 20.04.2 LTS, but I'm not able to get it working.
I configured it using the NetworkManager GUI for my WI-FI ...
- 101
5
votes
6
answers
3k
views
Do routers have a DNS server?
I know Windows 10 caches DNS queries and you can see it with the ipconfig /displaydns command.
My doubt is if some routers and SOHO (small office/home office) routers have a DNS server inside as well.
...
- 369
2
votes
1
answer
80
views
Does DNS over HTTPS work in China?
DNS over HTTPS is a new technology that encrypts your DNS lookups, so that your ISP cannot see what domain names you are trying to visit. Firefox enabled it by default for me yesterday. I would like ...
- 23
0
votes
0
answers
17
views
Accessing the second Network card on system
I have a CentOS8 system with two NICs. There is a Windows 2012R2 server that handles DNS (AD, etc). Everything is connected to the same switch. I'd like to setup a samba share on the CentOS machine ...
- 217
1
vote
1
answer
437
views
a unrecognized domain vultrusercontent.com resolving to my localhost
I just saw something interesting monitoring my fail2ban log I cannot really explain. Well maybe losing my mind
My fail2ban registered this:
2022-04-06 14:26:09,703 fail2ban.filter [1039]: ...
- 59
0
votes
1
answer
17
views
Ansible creates DNS records in FreeIPA differently than when they're created manually
I've found that Ansible creates DNS records differently than when I create them manually; particularly when creating the Reverse DNS records (PTR). I'm running Ansible version 2.9.27 on Rocky Linux ...
- 177
0
votes
0
answers
54
views
How to add color to specific text in excel output file using powershell
I have written a script to check the nslookup for each server and export the details to Excel
Please help me on How to add color to specific text in the Excel output
CODE
$result = foreach($Server in $...
- 33
0
votes
1
answer
24
views
Setup two (or more) routers in a single network as 1 big network
I'm sure this question was asked before in different shapes but even with my basic understanding of networking terms, I'm still struggling to solve this simple task..
So I have 2 routers in my home ...
- 135
0
votes
1
answer
25
views
Is overrideing DNS entries in LAN a good idea?
I got a fairly simple setup which consists of 2 servers and couple of users.
server #1, int -> server in my home LAN where my application lives, in this case it's nextcloud (with nginx web server, ...
2
votes
2
answers
118
views
Unable to setup port-forwarding through Dynamic DNS (DDNS)
I am trying to enable the ability to connect to my router from outside my network through a Dynamic DNS and I am stuck on port forwarding.
I have setup a Dynamic DNS through my router with url X.ddns....
- 123
0
votes
1
answer
47
views
Registering OpenVPN client addresses with DNS
I am running OPNSense on my home router and have configured OpenVPN on the device, allowing me to connect to my home network from anywhere in the world.
I am also running a BIND DNS server on my home ...
- 866
0
votes
0
answers
25
views
Achieving high DNS QPS throughput
I'm trying to find the maximum QPS (Query Per Second) of the DNS Resolver VM.
We have our infrastructure hosted on Azure, having a VM (bind based) acting as a resolver querying Azure native DNS (168....
- 121
0
votes
0
answers
21
views
redirect all local requests for a domain name to local server
I host a small asp.net website for my business on a Windows Server 2019 box. I use IIS to host it and access it from both outside my local network (from home) and from within the network. I use a ...
- 121
0
votes
0
answers
47
views
finding and enabeling LAN DNS
While looking into mdns for an IOT device I was making I discovered that on my home network if I typed in hostname.lan, chrome browser would resolve the address to the appropriate local device with ...
- 121
0
votes
2
answers
32
views
Why am I receiving different A records from different DNS resolvers?
While querying www.audi.de using dig, I get the following response:
Google's 8.8.8.8 DNS server is returning a different A record, what is the reason for this? Does it have anything to do with www....
- 105
0
votes
1
answer
77
views
Multiple domains with unique DNS servers in resolv.conf
I have the following resolv.conf for example1.com domain.
search example1.com
nameserver x.x.x.1
nameserver x.x.x.2
Now, I want to extend my resolv.conf to include example2.com as well. How do I ...
- 101
0
votes
0
answers
14
views
My computers internet hasnt been working correctly
My computer Internet has been acting weird this week. The first time I noticed this was when I opened a program and it show me a cryptic error message and some images where not loading. Then when I ...
- 1
3
votes
2
answers
796
views
Ubuntu App for Windows sporadically gets a “Temporary Failure in Name Resolution” error
I have the Ubuntu app for Windows (downloaded from the Microsoft store) and I keep getting a temporary failure in name resolution error.
ping: google.com: Temporary failure in name resolution
This ...
1
vote
1
answer
39
views
How do parental controls on the TP-Link Deco M5 work?
I have a 4-node Deco M5 set up & working great. The kids are now getting to the age where I want to take advantage of the built in parental controls, but I can't find any explanation for how it ...
- 241
-1
votes
1
answer
73
views
Can someone explain this internet issue I had? [closed]
I was on Cytube watching videos using Firefox, then I saw a Firefox update and said sure why not, updated the browser. After updating and opening Cytube again, I was met with one of those parked ...
- 13