A domain name is an identification string that defines a group of computers on the internet under the same realm of administrative autonomy, authority, or control. Technically, any name registered in DNS is a domain name, however, the term usually refers to a second and top level domain, such as ...

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11 views

Why aren't SOA records stored in the TLD? [duplicate]

I may be oversimplifying things, but there seems to be some overlap between NS records and SOA records. When I register example.net through domains.com, I can set NS records via my registrar, which ...
1
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1answer
15 views

What happens when I modify the NS records with my domain name registrar?

When I register my domain charity.org with ACME Domains (acme-domains.com), I have an option to enter the nameservers (NS records) for my domain in ACME Domain's control panel. What is happening when ...
0
votes
2answers
31 views

postfix block mail to a domain only for a specific destination domain

I have a mail server that hosts many virtual domains. The owner of one virtual domain that is on this server asked me to block mails coming from an external domain to his mailboxes. I have this ...
0
votes
0answers
20 views

Setup subdomains for private IP addresses with external access

For my home network I have one external IP address supplied by my ISP. I then have my private network behind a router with IP addresses allocated to my devices (192.168.1.xx). I have had a domain ...
0
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0answers
22 views

nginx proxy serve url with port instead of url only

Try to use nginx as proxy to serve some containers. Unfortunately my site only work with the port... So i create two container: container A : nginx container B : nginx + php My IP is xx.xxx.xx.xx ...
1
vote
1answer
46 views

Domain is being used for spam - what to do?

I recently started to receive postmaster and mailerdaemon mails about undelivered mail that have been sent from my corporate domain. It's default spam: attached files/invoices/etc. and it's not coming ...
-2
votes
2answers
42 views

Point domain name registered with Godaddy and administered on XYZ server to AWS

There is domain e.g example.com registered with Godaddy, hosted on SomeHosting service (The server which serves the contents is here). This same hosting company provides the DNS Zone editor (cPanel) ...
2
votes
1answer
120 views

Secondary domain controller not functioning when primary domain controller is not reachable

We are small business intelligence company and we have a head office and a branch office. I have active directory running on windows 2012 R2 in the head office and another active directory running on ...
0
votes
0answers
27 views

How to migrate domain from site on Azure to Traffic Manager without downtime

I'm trying to figure out how to migrate my live site from a single instance on Azure to a multi-server traffic manager solution. Specifically, I need to know how to migrate the domain name so the ...
0
votes
0answers
26 views

Host node.js website and static website on different domains with nginx

I'm struggling with the configuration of nginx on ubuntu. I have a node.js website on domain1.com and a static website on domain2.com (HTML,CSS, client side javascript). The node.js one does show up ...
0
votes
1answer
107 views

Sub-domain for azure virtual machine

I have a A record pointing to Azure website IP address. Now I want to direct a subdomain to a Azure virtual machine. Can I create a NS record xxx.example.com -> xxx.southeastasia.cloudapp.azure....
4
votes
2answers
356 views

Domain will not propagate (Over 96+ Hours)

I'm stumped. I have dozens of domains, but this is my first "ngo" domain. On tuesday (march 15th, 2016), I set the same servers for my domain "sai.ngo" to ns-1273.awsdns-31.org ns-1547.awsdns-01.co....
2
votes
1answer
52 views

FQDN Domain Name

In Active Directory, I have a domain (dc=ABC,dc=DEF). I expect the domain to be ABC.DEF However, if I use the command nltest /dsgetdc:ABC Sometimes I get ERROR_NO_SUCH_DOMAIN (the expected answer),...
1
vote
1answer
78 views

How to block all domains except few in BIND DNS?

I came across solutions for blocking selected DNS resolutions by creating block zones. But how would I allow certain sites only and blocking all others in BIND?
-3
votes
2answers
93 views

Not able to resolve my domain name intermittently [closed]

I am experiencing a strange behavior w.r.t DNS resolution when connected to certain WiFi networks. (only on iOS devices) Issue is: Safari is able to resolve my domain name correctly but sometimes for ...
7
votes
1answer
357 views

DNS security & .com AD Domains, What are the dangers to my AD Domain if someone squats my public .com domain

I am aware that best practices currently dictate that my Windows AD Domain name should be a subdomain of a purchased, globally unique namespace (ie ad.namespace.com). That's just fine and dandy. My ...
0
votes
1answer
58 views

Subdomain With Custom URL/Domain

I have a subdomain called 'mysite' at this.example.org/mysite which needs to resolve to mysite.org in the address bar. Can this be accomplished with .htaccess in the mysite public_html folder, or ...
0
votes
1answer
39 views

Active directory domain owned externally by third party

I've inherited a network where the .com domain name used by active directory internally is owned by a completely unrelated third party externally (Along the lines of companyint.com). This AD domain ...
-2
votes
1answer
76 views

SSL proxy nginx cannot reach server by domain name

I am having an odd issue. I configured a SSL proxy with Nginx serving a website in HTTP which is on 127.0.0.1:1195 (example.com is in my hosts pointing to 127.0.0.1). For some reason : https://...
1
vote
0answers
36 views

Force sendmail to check recipient domain exists

There is sendmail relay host for LAN/external users using AUTH or trusting local users, but there is a problem that sendmail accepts mail from trusted users addressed for non existing domains (non ...
33
votes
3answers
2k views

Can someone using the same DNS server as me hijack my domains?

When I register a new domain, I send it to my hosting provider by assigning it its domain name servers in the registar's settings. For example, with Digital Ocean, I input the following: ns1....
0
votes
2answers
98 views

Migrating from .local to internet-routable domain ramifications?

I've recently come to realize that having our domain end in .local is going to prevent us from being able to set up DirSync with Office 365. I plan to use Microsoft's IdFix tool to correct issues with ...
-1
votes
1answer
84 views

DIG returns different result from different servers [closed]

Yesterday, one of my domain names expired, so one of my websites was down. I'm well aware of dns caching, but I think there is something I miss. My website was not down everywhere (thanks to dns ...
1
vote
2answers
27 views

What happens if I am unable to ping my domain name

Let me describe my situation. I have five DCs in our network; mix of 2008 R2 and 2012. Among them one is unavailable at the moment and it might take some time to resolve this issue. Other four DCs ...
30
votes
2answers
2k views

Does adjusting a domain name's TTL actually matter?

I'm aware that tomorrow the public IP address of one of our production servers is going to be changed. The TTL on that A record is currently set to 3 hours. Will adjusting the TTL on that A record ...
4
votes
0answers
122 views

Exchange 2013 Internal and External URLs with multiple servers and certificates

I'm building a lab with two Exchange 2013 Servers with different internal names and only one external URL, the naming schema is something like this: Internal Names: exchange1.local.example.com ...
-2
votes
2answers
165 views

How to give a computer a domain name on LAN? [closed]

I have made a web based software which runs on apache on one of the computers on the office LAN. To make it easier for people, I want to use a domain name to access the "server" instead of it's IP ...
0
votes
1answer
39 views

Linking a domain name to a web server without full masking

I'm currently trying to deploy my first website and I ran trough a small issue with DNS. I have my website www folder available (hosted on atlantic.net cloud) and I registered a domain through godaddy....
1
vote
2answers
392 views

Windows Hyper-V Server 2012 R2 - domain name

I am starting a new environment from scratch running two servers with Windows Hyper-V Server 2012 R2 installed. From there each server will run 2 instances of Windows Server 2012 R2 standard (DNS, AD, ...
0
votes
1answer
40 views

Same mailserver, two domains. One domain flagged as spam. Possible causes?

I own two domains, let's call them example.com and mydomain.net. These two domains point to the same ip address, let's say x.x.x.x, and both their A and MX records point to them. They also have SPF ...
0
votes
1answer
22 views

Transferring domains close to expiration

We have a number of production server domains registered with a small registration company. They all expire at the end of the month. We would like to migrate them to godaddy.com, but are unsure if we ...
-7
votes
3answers
190 views

How many is too many name servers (ns)?

Ever since GoDaddy's DNS outage I definitely don't trust name servers. I just created a domain name and next step is setting up name servers. I'm thinking of using Route 53, CloudFlare DNS, and ...
0
votes
1answer
32 views

Sub-domain forwarding (unconditional/wildcard)

I would like to forward all requests for domain.net to domain.com. The forwarding works only for the top level URL, meaning the server redirects domain.net to domain.com. However, any and all sub-...
0
votes
0answers
150 views

Windows 2012 R2 - DNS resolving to internal IP

I'm currently working on my infrastructure and since now it was good. I have a Windows 2012 R2 server on AWS, with a Elastic (Public) IP. I have 3 domain: domain1.com -> point to a CPanel hosting,...
1
vote
0answers
87 views

Domain name redirect to Elastic IP address when typed in browser Amazon EC2

I Pointed my Godaddy domain to Amazon Elastic IP Address in godaddy zone file (poitned @ to my elastic IP address) ,When I write domain name in browser ,it redirects to Elatic IP address ,how to ...
0
votes
1answer
104 views

SSL certificate for a pointed domain

I have a domain hosted by GoDaddy and I have just bought a vps server (without domain) and an SSL certificate (not used) from 1&1. Could I use my SSL certificate for that domain if I just point ...
3
votes
2answers
625 views

Why can't I whois '.google' domains?

I know of only two domains under the TLD google (owned by Google, obviously): nic.google lers.google However, neither of these give valid output when used with whois: $ whois nic.google No whois ...
0
votes
2answers
66 views

Using IIS to give domain name to external site

At my workplace we are currently hosting our own website on a windows server using IIS. We've now had a new public website created by our marketer using SquareSpace and we want to be able to point our ...
0
votes
0answers
134 views

Browser shows IP and port in the url bar for sub-domain

We have a sub domain name like support.mycompany.com. When we write this in browser, it works as expected but the sub-domain changes to IP and port in the url bar. Why is this happening ? What should ...
1
vote
3answers
84 views

How can I set up two virtual Ubuntu Web Servers and split web traffic between them based on incoming domain?

I have a rack mount server here (HOSTA, running ubuntu 12.04), that has two virtualized installations of ubuntu (VIRTA & VIRTB, via vboxheadless, one is 12.04 and the other is 14.04). One has the ...
0
votes
1answer
34 views

How to get list of domains pointed in unique IP

I want to know this is possible that i can get whole domains list which is pointed in unique (same) ip address example: i have ip 000.000.00.00 now i want to get whole ip list which is pointed in ...
-1
votes
3answers
1k views

How to technically retrieve the full list of all domain names for a particular TLD? [duplicate]

It looks like there are companies that sell the lists of domain names, yet their lists are incomplete, and each company has a different amount of entries for a particular TLD. Why so much conspiracy ...
0
votes
1answer
171 views

Why are there many domain names resolving to IP like 8.8.8.8 and many other? [closed]

I have been wondering why are there many domain names assigning public address that already owned by other (apart from shared hosting/ip), for example hundreds or thousands domain names assigned (or ...
0
votes
0answers
124 views

DNS setup over RRAS, Can't join Domain Controller

I currently have 1 domain controller in one of our premises. I have another server 2008 r2 which I have installed RRAS on and have setup 2 direct dials on either end and they have connected fine. ...
0
votes
1answer
35 views

How to set up sub domains with IIS 7.5?

I'm in the process of setting up a windows 2008 server. I've managed to set up a site on IIS and I'm in the process of setting up a few more. Typically when setting up sites on my local machine, I ...
0
votes
1answer
237 views

setting numerical hostname in Proxmox

I am using Proxmox. I tried to run new OpenVZ container and I set my recently registered domain as a hostname in format "three digit number dot ie" (XXX.ie). The problem is, that after starting server,...
2
votes
1answer
615 views

Dig Command on specific server gives different results than querying without specifying a NS

I am currently experimenting with the dig command because I am having issues with my newly registered domain. When I execute dig @dns.dns1.de overminded.de on one of my Debian servers, I am getting ...
0
votes
1answer
182 views

Assign two domain names to a single EC2 instance

I am running an AWS EC2 Linux instance with Elastic IP a.b.c.d. and I am hosting two different websites on it: ServiceA: http://a.b.c.d/serviceA ServiceB: http://a.b.c.d/serviceB I have purchased ...
0
votes
2answers
156 views

How to create hostname alias WITHOUT IP address?

In linux , /etc/hosts stores ip aliases. But I want to create a hostname without knowing its IP address. In Amazon RDS , it's endpoint is a long domain name such as : my-db.ooxxooxxooxxoo.ap-...