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Questions tagged [internal-dns]

DNS that is visible within your corporate network and VPN, but which is not visible on the public Internet.

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Docker does not work behind VPN: DNS or routing problems?

Hi all sorry for the noob question. I've read a lot of posts online but nothing seems to help. I have a fresh Ubuntu 22 and fresh Docker install. This Ubuntu machine is behind a pfSense router. This pfSense routes all outcoming packets from this…
gelcom
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How to disable /etc/hosts from resetting after reboot

Using Ubuntu 20.04 LTS on a Raspberry Pi and trying to setup a DNS and DCHP Server on it using DNSMasq Got to the point where I want to add static DNS results in the /etc/hosts file however when I reboot all of the work I've done disappears and it…
jacoboneill2000
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Why would Windows 10 workstation give "Connecting" popup when saving file to network?

We have our main file server "Files" on a Windows 2012 R2 server which works fine for nearly every workstation. A couple however, both of which are Windows 10, are having an issue when saving to network shares: After clicking Save As and then…
s3rvant
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Prevent services subdomains from browsing

I'm facing a problem, and I don't know what are the best practices for it. I got a VPS hosting multiple services (DNS, Apache and IMAP/SMTP). The domain is briffoud.fr and each service has its subdomain e.g. smtp.briffoud.fr. When I browse to…
Dantes Hanketsu
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Can I force a custom DNS server for OpenVPN clients, without forced traffic redirection?

I have configured an OpenVPN server to give users remote access to internal company resources. Since the main purpose of this VPN is not to change/hide the users IP address, but to provide access to other devices, I haven't configured forced traffic…
Lázár Zsolt
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clients on a pfsense with zentyal on local network/domain can't resolve/ping hostnames into ip address to use with Veyon

Hi I have network at a school setup with pfsense as firewall, router, dhcp and captive portal (for wifi), domain: schoolname.intranet zentyal: freeradius, ldap, dc, and dns problem: clients can't resolve hostnames into ip address, I tried and…
Francisco Cortes
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How to supply hostname using isc-dhcp-server to hosts without fixed-address

I have a DHCP+DNS setup on my network using bind9 and isc-dhcp-server. It works fine for all clients that have a "proper" hostname configured without any special setup in dhcpd.conf in the server. There are also a couple of hosts I have setup with…
xxDMxx
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JavaMail application won't send email to external SMTP server

This is actually a question from an exam, but I believe it could help others troubleshooting a similar situation. In a system, an e-mail needs to be sent to a certain mailbox. The following Java code, which is part of a larger system, was developed…
Luiz Cruz
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How do you resolve to both public and private zones in a Split-Horizon DNS (using GCP Cloud DNS)?

We're using GCP and Cloud DNS to manage our domain and I'm trying to solve for these use cases: Have private records for things like Databases that can only be resolved within the company network (our VPC). Override public records with private IPs…
James
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VMSS auto register with Custom DNS

We’re creating a VMSS and we use a custom DNS with extending AD from on-premises, but we are not sure how to register the VMs as the scale set scales out, in azure DNS we can create a private zone and use auto registration but not with our custom…
Norrin Rad
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Make static hostname visible via DNS (and dynamic IP)

In my local network I manage a csv file which maps MAC addresses to hostnames. This file is used to set the hostname of a client machine when it gets installed, so dynamic hostname assignment is not neccessary. The client receives a dynamic IP…
a.ilchinger
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Suddenly dig +nocmd pop3.pauperis.org aaaa +noall +answer returns nothing

the command dig +nocmd pop3.pauperis.org aaaa +noall +answer returns the followingin my laptop: pop3.pauperis.org. 3111 IN CNAME pauperis.org. pauperis.org. 3111 IN AAAA 2001:41d0:1:8ade::1 but the same command on my server,…
peris
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Migrating a Terminal Server - Multiple Names

I tried migrating our Terminal Server, which is now successful. The terminal server is joined to a trusted domain and normally, we could access the terminal server from our own domain. I created an A record on our DNS server to route the Old Server…
Laredo
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Internal DNS with BIND, how to resolve one IP address differently?

I have an internal DNS (it is completely internal, ie. the network is not connected to Internet) for a group of networks. They are set up as follows: Each network has a different address range of 10.x.0.0/16 and its own domain domainx (it is a…
raj
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Client on network not resolving local records but using external instead

Problem When trying to access an internal server via hostnames using NSLookup, I receive the correct DNS server address, FQDN and destination IP address. When I try to access the server using its client or cURL and PING in CMD it resolves to…
AG23
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