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Questions tagged [fqdn]

Fully Qualified Domain Name (FQDN)

Fully Qualified Domain Name (FQDN) is a domain name that specifies its exact location in the tree hierarchy of the Domain Name System (DNS). It specifies all domain levels, including the top-level domain and the root zone. A fully qualified domain name is distinguished by its unambiguity; it can only be interpreted one way.

Source: wikipedia

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DNS Problems; adding domain.tld to queries for local (private IP) hosts

For whatever reason when I try to access local hosts via their names it is not resolving properly. # ping server.domain.tld PING server.domain.tld.domain.tld (###.###.###.###) 56(84) bytes of data. Obviously this breaks ssh and any scripts that…
alex
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Links inside intranet: use fully qualified name, or just hostname?

When working in an intranet, it's often necessary to set up links to other computers (HTTP hyperlinks or shortcuts, hostname in various server config files, SSH shortcuts etc.). In all these cases, technically I can either use the fully qualified…
sleske
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Unable to understand the connections between FQDN and DNS

I am unsure what the following sentence in bold means If you are using only the hostname (without the domain information) to connect to a server, the application you're using may not be able to resolve the hostname. This can happen if…
Léo Léopold Hertz 준영
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How do I setup my DNS so the FQDN server serves its own DNS?

Apologies if the question title is nonsensical, but this has me quite confused. Here’s what I want to do: Domain xyz.com is the FQDN for webserver xyz-1. xyz-1 has Plesk installed. I want xyz-1 to be able to serve the DNS for xyz.com, so that the…
Abraham Vegh
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Apache cannot find virtual host if domain is the same as server FQDN

Within Apache I had a vhost set up with ServerName host1.example.com Within /etc/hosts there is an entry for host1 127.0.1.1 host1.example.com host1 And in /etc/hostname host1 This is the Debian/Ubuntu way of creating an FQDN. Apache seems to…
Kura
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Domain name change

I just ran into an issue with a client that we are migrating from their forest to a new forest using Quest tool Binary Tree The issue is the source domain is called "domainname" and is not a FQDN "domainname.local or domain name.com" It's the first…
Ross
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FQDN without the hostname part?

As far as I know, A fully qualified domain name (FQDN) consists of two parts: The hostname part: A single label representing a machine belonging to one specific domain. The domain name part: Multiple labels joined with dots and representing the…
gossac
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how can i block/ban an ip after a number of rejects on a mail server?

I found several attempts to use my email server as relay. The helo command was not coming from a FQDN and therefor the request got rejected. Is there a way to ban an IP address complelty after a number of "malicious" attempts without sending a…
zippy-flop
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How to change the FQDN on a Lightsail instance?

I've spent the last number of hours trying to work out what's causing the error "hostname: Name or service not known" to be produced when I run the command "hostname -f" on the latest version of Debian 9. When I run "hostname" I get the hostname ok…
Daniel B
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FQDN In the same server IIS for multi sites

I have an IIS 8 (win 2012 r2) server with multiples sites and ports: I would use FQDN to access to sites . for exemples : site1.lan : @IP_of_iis_server:9500 site2.lan : @IP_of_iis_server:2729 etc .. I add a new Host (A) in the DNS Server , but he…
K. ON BUG
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Postfix is appending myorigin to non-FQDNs despite "append_at_myorigin = no"

I have postfix and a local LMTP server running. In my main.cf, I have append_at_myorigin = no. When I run postconf|grep append_at_myorigin I get that this value is no. But for some reason, postfix is still appending myorigin to non-FQDNs (i.e.…
ATLief
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How do we configure an ALB with Elastic IP's to only resolve to our FQD

We have a situation where we have a website, www.mamapedia.com which is accessible both by the ALB address and the Elastic IP's assigned to the ALB at any given time. This is problematic and is causing problems. We have identified a site such that…
Jacob Peebles
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Is it possible to add FQDN to Server behind NAT or to a NAT itself?

I have multiple identical servers behind a NAT. I use the same IP and just change up the port to move between the server via port forwarding.The issue is that i am using self-signed certificates and getting the not secured warring. Lets encrypt…
MoonEater916
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Require domain name and DNS should resolve proper host names on windows 2012

I have installed Siebel ip2017 on Google cloud free tier environment for self study however it is failing in configuration as it require FQDN( Require domain name and DNS should resolve proper host names). Currently it has shortname without domain…
Ganesh
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What is the correct syntax declaring FQDN in host file for CentOS 7?

First, I know how to declare FQDN but, I just want to know are they the same thing: I have 2 VPSs running using Centos 7. When I look up at the /etc/hosts file: I found the entry of the host file for VPS 1 like this: 127.0.0.1 localhost.localdomain…
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