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Questions tagged [dns]

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

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DD-WRT (Linksys WRT3200ACS) unable to resolve DNS from router? Fine from other computers on LAN

I've got a dd-wrt Linksys WRT3200ACS router working in 'AP' mode. My ISP supply a modem which runs a DHCP server. The modem is connected to the LAN port on my router and then the rest of the wired ...
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6 views

Postfix is not accepting my connection and is not either able to look up the server or is unable to log-in

I'm attempting to setup a postfix/dovecot server. I used iRedMail as a vector for most of the packages installed. They aren't allowing me to connect to it. DNS Setup Email is setup to be: Someone@...
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Domaincontroller not forwarding dns requests

I've setup a test environment that looks like: modem/router connected to physical host hyper-v manager running on physical host Virtual Switch connected to external network Two VMs (DC + client) ...
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1answer
19 views

Replaced routers, added Pi-Hole as DNS - single machine gets DNS_PROBE_FINISHED_NXDOMAIN for certains sites

Bit of info on the network. Ziggo ConnectBox (modem/router) in bridge mode (this horror) Linksys WRT32X (this one - 192.168.1.1) - primary DHCP, uses Pi-Hole for DNS (192.168.1.x static) Linksys ...
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2answers
30 views

How to make a client-server communication without a Domain Name

In the context of a web application including clients and a web service (server), I want to have a client-server HTTP communication over internet. I'm aware that the IP address is dynamic and may ...
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22 views

Nameserver 127.0.0.53 unable to resolve domain names

I know there is an easy fix to the problem by adding nameserver 8.8.8.8 to /etc/resolve.conf but this is merely a hack and not a proper trouble shoot of the problem that caused the problem. If I am ...
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0answers
9 views

DNS resolution VMWare for Linux host

VMWare version 15. Ubuntu Linux host, Windows 10 guest Windows 10 is DHCP issued by Host-Only adapter, e.g 192.168.127.129, the gateway is 192.168.127.1 but my understanding is that there is no DNS ...
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1answer
64 views

Can I use the same domain name for 2 separate web servers?

Here is my problem: As a hobbyist, I have managed some webpages for other small groups. I run a mailing list for a group on a server I manage (list@myserver.com). They have an anchor page at www....
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27 views

How does expressjs serve website over bluetooth without internet?

Trying to make an app that would work for clubs that meet in locations without internet or wifi (ie church basements). I found this question and answer, but found no hope https://stackoverflow.com/...
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12 views

Can't access my server from within the network after changing ISPs (new router)

I have a small Django website which is hosted on a raspberry pi on my network and has been running smoothly for a few years. I recently changed my ISP from Comcast to Century Link. After the change, I ...
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26 views

My Schizophrenic router and local network names

My home network has a single router assigning IP addresses via DHCP. It reports local addresses as devicename@fritz.box. Except when it doesn't. The router itself always reports in that naming ...
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35 views

Windows 10 DNS Client Constantly Trying to Connect to IP 244.0.0.251

I recently tightened up my home network (iptables) and looking at logs, I see where my main PC is reaching out to IP 244.0.0.251 (about every 8 seconds). Iptables is denying the request, but it is ...
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2answers
35 views

Computer(Windows 10) suddenly disconnected from the internet

UPDATE: booting into safe mode network fixes it. But when I go back to regular mode its broken again. While I was browsing reddit. My browser(Chrome), suddenly said that I have no internet ...
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0answers
25 views

Docker add custom DNS server

I have a DNS server running on a CentOS 7 machine at 10.8.0.1. On this machine, I have some docker images running on a subnet of 10.8.1.0/24, without masquerading. I'd like the docker images to be ...
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1answer
13 views

Asus RT-AC58U DNS point all .lan domains to local machine

I have an Asus RT-AC58U and am setting up a development server on my local network. I would like to point all .lan domains to this local server via the router as I want to avoid editing host files on ...

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