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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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How should I configure my hostname/FQDN for a multi-purpose VPS?

I recently got a VPS and have a fresh Ubuntu install, but I'm a bit confused as to how I should be setting up the hostname and /etc/hosts file if I'm wanting to set up an email server (Dovecot/Postfix) as well as use it for a NodeJS dev platform…
MisutoWolf
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Accessing servers through hostname now requires FQDN?

After upgrading to Linux Mint 20, the servers (pgsql databases and windows network share) on our internal network now require the fully qualified domain instead of just the machine name. For example, I used to be able to connect through simply…
DPSSpatial
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In /etc/hosts file why would IPv4 hosts be different from IPv6 hosts?

Background: CentOS 8, Digital Ocean droplet. Question 1) I just looked at my hosts file in /etc/hosts and I noticed that hostnames listed under IPv4 and IPv6 are different. IPv4 lists example, example.com and mail.example.com while IPv6 only lists…
myNewAccount
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Can one have 2 Domains pointing to the same IP and / or 2 IP's resolving to the same Domain?

I am going to attempt to rewrite the initial question so that it makes more sense. The issue I was being faced with is that I have my Company's website hosted on Site Ground but unfortunately because of the site builder the use, they are unable to…
John Durchak
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Configure bind9 zone records to ping/dig/nslookup/web browse using hostname only or fqdn

What is the proper way to configure a BIND9 zone file to allow ping/dig/nslookup/web browsers to query a host using its hostname or a shortened CNAME record that points to this hostname instead of the entire fqdn of the host. Example: This…
thursDave
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When do I actually need a FQDN?

I've been reading the guides on linode about setting up a server to host websites. One concept that bothers me most is FQDN. From what I've read, FQDN is very important and it MUST be set. In my actual case, I've been running 2 linode servers for…
shenkwen
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Powershell script to find and delete DNS records across multiple zones

We have multiple DNS zones, and what to find static DNS records that no longer respond to pings and delete them. I've written a PS script, but I'm having two problems. 1 - test-connection fails unless it uses the FQDN. I can't seem to find out how…
Dave Davidson
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FQDN for server with various domians

I have a question regarding setting the FQDN on a server, well, technically, a vserver that serves a variety of domains. I have understood that the FQDN is a globally unique address that points to a specific computer/host in the internet. So, if I…
hurrtz
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What hostname and rDNS should I choose?

What should I set as hostname and rDNS? 1 server 3 domains (domain1.com, domain2.net, domain3.de) 1 mail server for each domain My current settings: /etc/hosts 127.0.0.1 localhost 11.22.33.44 domain1.com 11.22.33.44 www.domain1.com 11.22.33.44…
John Doof
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External FQDN for RDS server? or sub-domain?

I am trying to setup a terminal server and need to have an external FQDN name. So far we have a main domain name hosted by 3rd party. lets call it "aaa.com" We also have subdomain name called "mail.aaa.com", "vpn.aaa.com", now I need to have a…
Root Loop
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Replacing host with another at runtime using same FQDN

I have host h1 running a few services. It registers with a central server and the server requires its FQDN and IP. I can specify any FQDN here. At run time, if h1 were to be replaced with another host h2 then the server would reject h2 because its…
Sumit Nigam
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MSE changed windows firewall settings and win server 2008 r2 can not be access by it's name anymore

i have installed Microsoft Security Essentials on Win server 2008 R2 and it modified the Windows firewall, this caused an access problem, win server 2008 R2 can not be accessed by it's name anymore and i turned Public Networks off on firewall, now i…
washaq
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Which domain name to use for a FQDN?

I've been reading for hours on this and am still stuck. Everything I've read indicates I need my hostname and a domain name to get a FQDN. But what about a setup where I have one hostname, using Apache, and also virtual hosts with several domain…
Shane
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Windows 2008 r2 active directory FQDN. Can i set single word for FDQN ? like 'site' so that all its children can be accessed via client1.site

I want to access nodes in a network using "host.domain" notation that will be resolved by dns Client Node: host, B1 Domain: domain What I'm able to do: Access nodes using host.domain.com I setup a dns server with FQDN(fully qualified domain name)…
cybrox
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How to find out which server my FQDN points to?

My FQDN https://dopsops.tech/ I dedicated time to some other project,how to find out which server I used. Which commands should I use? curl -I just gives content. report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report How to find…
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