The Domain Name System, usually referred to by the acronym DNS, is a hierarchical, distributed database where the keys are domain names.

learn more… | top users | synonyms (1)

0
votes
1answer
8 views

Mapping main domain and subdomain to different nameservers

I have mapped my main domain to a different hosting using NS record. but I want to map a subdomain on the same hosting. What DNS setting do I need to configure? Example: abc.com is mapped to ...
0
votes
0answers
8 views

Dnsmasq's DNS response auto caching feature not working

Dnsmasq Cache and Internal Log on USR1 signal dump (when running with or without --no-daemon and --log-queries for analysis) it always shows: 0/0 cache, meaning caching feature of Dnsmasq not working. ...
0
votes
1answer
32 views

dns bind not working nslookup gives servfail

I am connected to a reliance wifi connection obtained a 192.168.0.101 ip. 192.168.0.1 as primary dns. I configured dns bind to give name to my server process. To test that locally i changed the ...
-1
votes
0answers
26 views

error: rndc: connect failed: 127.0.0.1#953: connection refused, how fix? [on hold]

today unexpectedly the named dns server not start never, when try to start show error : if send this command : service named status show this error: rndc: connect failed: 127.0.0.1#953: ...
0
votes
0answers
5 views

appspot website not coming up

For a couple of years www.fugatesales.com has been working by directing it to http://fugatesls.appspot.com/. http://fugatesls.appspot.com/ works fine. I cannot find a solution to get the "real" ...
0
votes
1answer
21 views

Dynamically modify DNS to add a subdomain

Is there a way to modify a domains DNS using PHP for example. I am not quite sure how a company can be in charge of a domains DNS (Can I be?) What processes do GoDaddy (for example) go through when ...
-3
votes
2answers
38 views

CNAME interfering with MX record?

I have got a free domain at Freenom, which I use to host my website, and to receive email. About a month ago, I used an A record to point [Blank] and www to the A record of my webhosting. I also had ...
1
vote
1answer
21 views

“net.c:577: sendmsg() failed: Operation not permitted” in dig Output

I am running Bind 9.10.2 version on CentOS 6.6 machine. While running the dig command, i am getting "net.c:577: sendmsg() failed: Operation not permitted" notification. dig utility is giving me an ...
0
votes
0answers
18 views

VPN network for DNS lookups?

I want to provide a DNS server which filters out some websites. This should be used for mobile connections. I know that you cannot set a DNS server when connected through your smartphones mobile ...
1
vote
2answers
57 views

Location dependant dns redirection

I have a corporate network with two sites. Each site has its own domain controller with dns service and both domain controllers are servicing the same company.net domain. We have an mpls network set ...
5
votes
1answer
167 views

DNS Always Getting Non-Authoritative Answer

I'm trying to get an authoritative answer on a DNS query. I've used nslookup using "set querytype=ns" to get the primary name server, which returned the following: yesecommerce.com primary ...
0
votes
2answers
52 views

DNS MX vs CNAME entries

I have recently bought a domain for setting up a website. The website is hosted on OpenShift. Since OpenShift doesn't use its own nameservers, I've edited the DNS records on the domain registrar's ...
0
votes
1answer
18 views

host -t MX pro.lan -> pro.lan has no MX record

Setting up some service on my server. DNS/DHCP/Gateway ok for my own local network. Planning to host a web mail server (working on local for users for now) I added in my dns A and MX record (rDNS ...
1
vote
2answers
27 views

CNAME Record with any other Resource Record in BIND

As per best of my understanding, CNAME can't exist with any other RR in DNS Server. I am using BIND 9.9.5. Now when i am adding CNAME record with a domain which already has NS Records, i am not ...
0
votes
0answers
12 views

Is it possible to set the TTL of an Azure VM?

In this question Azure VM server url not resolving after re-boot I could not get to the Azure server via URL after I shut it down and rebooted. This is probably likely because I was assigned a new ip ...
0
votes
0answers
34 views

DNS is only available locally [on hold]

I have recently moved from a managed webhost to an unmanaged dedi provider to have cheaper prices (due to non-management) as well as better resources, hosted at kimsufi.com with a domain hosted at ...
0
votes
1answer
15 views

Azure VM server url not resolving after re-boot

I have an azure VM that I had shut down for a day and have restarted today. After restarting, I can only navigate to that address using the ip address and not using the URL (eg. ...
0
votes
0answers
24 views

cannot resolve … Unknown host with Bind

I am using BIND on OS X. nslookup and dig work (I think) but ping and HTTP in browser do not seem to work. $ nslookup a.appname.local Server: 127.0.0.1 Address: 127.0.0.1#53 Name: ...
1
vote
1answer
29 views

DHCP Server Not Registering PTR Records

I've got a DHCP server that's configured to "Always dynamically update DNS records". Unfortunately, it's not doing its job. The client sends an Option 81 with its FQDN and all flags at 0. The ACK back ...
1
vote
1answer
42 views

Is it fundamentally possible to configure a VPN with “fake” CNAME?

The goal here is to alias a real domain on the wider internet with something like a fake CNAME entry (or by any other means available). For example, suppose I want to configure the domain fake.derp ...
0
votes
2answers
41 views

cname record to rhcloud.Com not working anymore

I have a website hosted at rhcloud.com. I added 2 years ago a cname on my domain name dp-global.vn to redirect to the website (gdp-robertduy.rhcloud.com). Today it is not working anymore and the ...
-1
votes
0answers
15 views

How to add additional domain to vps [on hold]

I have a vps with primary domain xyz.com Now I want to setup another domain abc.com such that it points to xyz.com/newdomain Currently I have setup abc.com such that it is pointing to my vps home or ...
0
votes
0answers
8 views

Local NS list does not match Parent NS list, Name Servers are on the Same Subnet

I have my .ly domain registered with https://reg.nic.ly and my website is hosted on godaddy VPS. I have set custom NS (ns1.demodns.com and ns1.demodns.com) on godaddy via WHM. When i use these NS with ...
1
vote
1answer
24 views

Cannot resolve DNS -> Refresh -> Loading [on hold]

Hi I'm not the actual Network guy here, but he is off for a long time with Health issues. We're running 150 employees in this place, and the past few months we're been having slight issues I'm hoping ...
0
votes
1answer
17 views

Windows 2003 subdomain not working

I'm trying to add a subdomain to my main one, to be connected to an external IP address. So I have: example.com mail.example.com www.example.com Which are working. I want to add test.example.com ...
1
vote
1answer
11 views

Debian - One Gateway 2 interfaces how to?

I have this scenario. 4 VM Debian8 : 1 DHCP 1 DNS 1 GW 1 Client I can ping from all my VM (except GW) each other (@ip or hostname). My GW have 2 interfaces (eth0->LAN / eth1->WAN). From it I can ...
0
votes
1answer
16 views

Exchange 2007 - SMTP Traffic

I've done a check of what SMTP trafic is being routed through a 2007 mail server, which we are decommisioning. It looks like all printers are using the mail server for smtp relay, would it be ...
-2
votes
2answers
63 views

Can ping by IP address but not by hostname [on hold]

I have 3 Debian VM. 1)DNS 2)DHCP 3)Client DHCP looks ok. I got my fixed-address on DNS and Client like I want. When I try to ping each of them @ip it's responding. If I try to : ping dhcp But I ...
1
vote
0answers
47 views

ERR_ICANN_NAME_COLLISION when trying to use localhost .dev in Chrome [migrated]

Today I got this error when trying to access local domains specified in apache httpd-vhosts.conf. It happened for the 1st time with a .dev domain, so it seemed plausible that in light of recent news ...
0
votes
1answer
65 views

What is wrong with this BIND config?

I am using BIND 9.8.2rc1-RedHat-9.8.2-0.30.rc1.el6_6. It is not responding to queries, port is open from what I can tell. Even from actual server if I ping my domain "ping example.com", it doesn't ...
0
votes
2answers
59 views

rDNS 'zone [xxx] has no address record (A or AAAA)

teaching myself some server tricks. Getting trouble with bind9 on debian8. named-checkzone pro.lan db.pro.lan.inv zone pro.lan/IN: NS 'server.pro.lan' has no address records (A or AAAA) my ...
0
votes
2answers
24 views

Linux Server Update Windows Server DNS (DHCP Not Windows)

I have Linux machines that are DHCP clients that have send hostname enabled but are not updating DNS on the Windows servers. DHCP is coming from the firewall, NOT Windows. Other windows machines ...
0
votes
0answers
12 views

collectd: using dynamic IP for network plugin

I've setting up a server which collects statistics of different other servers. I'm using the network plugin of collectd, so I configured the plugin network by setting up a listener. In my network, I ...
0
votes
0answers
54 views

DNS problems with a static IP configuration in a VM [migrated]

I am using Parallels Desktop 10.2 for Mac on OS X Yosemite. I am trying to configure my my client (Ubuntu 14.04) to host a website that is available to the host via a particular domain name. In the ...
-1
votes
2answers
35 views

Match BIND's view to certain users

It's easy to make a BIND's view to match certain IPs with the aid of match-clients directive. But is it possible at all for a view to match not IPs, but users? For example service a is run under user ...
2
votes
0answers
39 views

Nginx, wrong site served

I have my site on the IP 1.2.3.4 On my domain provider I have both onesite.com and anothersite.com pointing to 1.2.3.4 With Nginx, I have two sites configured: server { listen 1.2.3.4:80; ...
-3
votes
1answer
28 views

MX does not work, after setup CNAME [on hold]

I have the following configuration in the DNS server (1-configuration): -------------------------------------------------------------------- Host name | IP address/URL | Record Type | MX ...
-1
votes
0answers
33 views

Find all domains on server with different A record [closed]

I am migrating some websites to a new server using the WHM/cpanel transfer tool. It can do an "express transfer" where as well as transferring the account, it also changes the A record at the source ...
0
votes
1answer
31 views

rDNS and forward DNS for mail server behind firewall, different IPs

All, Here is my setup : Firewall(x.x.x.114) <--> mail.mailserver.com (FQDN) (x.x.x.118) When sending mail, header has following IP ...."Receivedfrom mail.mailserver.com ([x.x.x.114])", my ...
2
votes
0answers
44 views

DNS Attack - 203.115.81.38 / 203.115.71.66 [duplicate]

I've noticed today that some of our companies clients' DNS servers were changed to 203.115.81.38 and 203.115.71.66 even thought they were still using DHCP. I wonder if this is some sort of an ...
9
votes
0answers
88 views

Cannot add conditional forwarder without root zone

(Disclaimer: I am not a Windows DNS admin. I do have a decent amount of DNS experience under my belt though, and this is not making any sense. I am working closely with the admins responsible for ...
-2
votes
1answer
51 views

Public Domain Name to Intranet

let's say 1) I have a server running in a private intranet. It uses tomcat to serve a webapp at privateserverip:8080/appname 2) I have a myapp.local domain and when I enter it toplevel with ...
0
votes
1answer
25 views

Not able to load reverse zone with bind

I've created a simple bind dns server to host 3 zones in a test lab. bath.local (192.168.100.0/24) munich.local (192.168.101.0/24) dhcp.local (192.168.99.0/24) I want forward and reverse ...
1
vote
2answers
47 views

create my own active directory in a EC2 instance of Windows 2012 in AWS?

I have been using Azure where I could use one of the Windows VM as a domain server with AD sitting in subnet 1 while others VMs sit on the subnet 2. So far so good. Now I am building the similar VMs, ...
1
vote
1answer
39 views

BIND9: Send Notifications on Specific IP Address

I've been trying to implement a bind master->slave setup between two machines, but I've a problem regarding the IP address BIND used on the master to notify my slave machine. Here is my setup: ...
-2
votes
1answer
25 views

DNAME Functionality Using CNAME

I have a simple name server with namecheap, however the company I host Teamspeak with redirects to have an IP with Teamspeak's default port. So the IP they give me actually looks like this instead, ...
0
votes
0answers
14 views

Apache mod_proxy ProxyRemote to round-robin DNS - always the same subnet

I set forward proxy server using apache mod_proxy, which connects to 20 other proxy servers using ProxyRemote feature. You can set just one URL for ProxyRemote , in my case it's ...
0
votes
0answers
27 views

Windows 2012 DNS server: proper address resolution on one computer only

I need www.example.com to resolve to 192.168.0.1 on my local AD network. Therefore I've added www.example.com Forward Lookup Zone on AD controller. On my computer as well as on the server itself it ...
8
votes
3answers
494 views

DNS root record hardcoded then why it has ttl?

I host a recursive name server locally so I don't need my service provider or another public DNS server for name resolution. Although the root name server IP-addresses are hardcoded in the config file ...
1
vote
0answers
31 views

weird DNS issue when looking up a service provider's services [closed]

I came across an interesting issue today. I was looking up node1.ar.service.com from the one of the 3 DNS servers exposed to the internet. These 3 servers act as authoritative servers at my ...