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
0answers
2 views

I have server 2008 r2 & suddenly gpo starting giving error to give access in all accounts & repeatedly disables the Administrator account also

I have server 2008 r2 & suddenly gpo starting giving error to give access in all accounts & repeatedly disables the Administrator account also, any suggestions ? Thanks in advance...
-1
votes
0answers
7 views

Server request timeout?

I just setup zPanel on my server (an install of Apache, PHP, MySQL, etc). I set up a domain to point to the server IP and gave that to the installer. Though, now when I try to access or even ping the ...
1
vote
1answer
41 views

What happens when two DNS zones intersect on the same server?

I have a DNS zone of example.com with a record of type A defined for foo.example.com. On that same server, I have another zone named foo.example.com with and no A record defined at the top of the ...
1
vote
0answers
18 views

Cannot change Nameservers to cloudflare

I have a domain but I can't change its nameservers to point Cloudflare's. I've been told that the NIC is rejecting them (it's a ccTLD), literally "your nameservers are not authoritative for that ...
-1
votes
0answers
20 views

SRV record with cname

I bought an hosted service which, mainly for DDoS mitigation reasons, often rotates its IPs. So myservice.remoteserver.xxx:666 sometimes goes either to 111.111.111.111:666 or 222.222.222.222:666 I ...
0
votes
2answers
22 views

How to Point DNS to Machine Behind Router

I purchased a domain on namecheap (lets just use www.example.com). I have a CentOS virtual machine with a bridged adapter on my LAN. I'd my domain to resolve to that CentOS machine, but I don't know ...
1
vote
0answers
17 views

In a BIND.. Weird DNS issue

I have now somehow replicated a weird issue with one of my DNS zones on two different servers and with two different versions of ISC BIND. I have a sub-domain delegated to my server. The first time ...
0
votes
0answers
6 views

Syncing multiple Plesk instance/server DNS entries [on hold]

I have two servers, one in the US and one in France both running Plesk Control Panel. I'm no stranger to SSH and manual administration, I just can't hand off a chrooted ssh to my clients and expect ...
1
vote
1answer
27 views

Powershell Passing Funtion Varible for System.Net.DNS

Recently I have been working on trying to parse thru a series of servers for DNS information. I can't seem to correctly pass the variable to the function. Calling the function by itself and passing ...
0
votes
0answers
5 views

How to remove my former sites off search engines? [migrated]

I have this little problem. A few years ago, I had couple of sites, then I closed them. But back then the search engines added those sites of mine into their databases. It's Google and Chinese Baidu. ...
0
votes
0answers
14 views

Point subdomain to localhost server? Nameservers pointed elsewhere

My client has their nameservers pointed to another server (Server A) for their current website. However, in the zone file all the IP's point to the local host server (Server B). While Server A ...
0
votes
1answer
13 views

Azure VM Unwanted User-Agent Filtering/Blocking

I recently migrated our WP site to a Debian 8 VM running on Azure. Since then, we are unable to process credit card payments through the RedSys payment gateway. It seems that upon successful payment, ...
-1
votes
0answers
30 views

For Windows Server 2012 R2 do you need to install DNS or have a DNSS to use WDS?

I was just wondering if you actually need a DNS to use WDS and if so why? I am kind of new to Windows Server and any explanation would be greatly appreciated Thank you
-3
votes
0answers
27 views

Emails getting rejected SPF

I am having issues receiving confirmation emails from a website that I use which is built in laravel. When I checked my mail logs it appears to be getting rejected due to "SPF IP is not allowed to ...
2
votes
0answers
36 views

How does Windows decides which DNS Server to use when resolving names and connected to a VPN

When connected to a VPN network how does the windows DNS client choose a prefered DNS server, between the DNS servers configured for the local connection and the server statically defined for the VPN? ...
-1
votes
1answer
55 views

Windows Server 2012 R2 DNS internal and external records issue

I am running into an issue with with DNS on Windows Server 2012 R2 acting as Active Directory domain controller AND DNS server I want to be able to setup certain records that will resolve internally ...
-1
votes
2answers
39 views

Namecheap DNS Cname issue

I am using Namecheap default DNS, where I bought the dns name. However, I am having a issue... Typically, for AWS and Rackspace I would have: A Record: foo.com 124.22.22.1 Cname: www.example.com ...
0
votes
2answers
29 views

FQDN, DNS, Hosts, postfix

Let's say I bought this domain: example.com Name servers under DNS manager all points to example.com That subdomain(example.com) of nameservers points to an IP. Also, note that hostname unique is ...
0
votes
0answers
14 views

Setting up redirect for subdomain [on hold]

We have a product hosted on our subdomain sub.product.com, and we would like to move to it to another subdomain www.product.com. We have a lot of backlinks to the old domain (sub), and don't want to ...
0
votes
0answers
36 views

How do I setup a “subdomain empty” DNS CNAME?

I am hosting a webserver with about 200 domains. The DNS records of those domains are a simple CNAME record of the form: *.domain1.com. CNAME myhostingserver.mydomain.com. *.domain2.com. CNAME ...
1
vote
1answer
42 views

Configure bind9 to forward queries as-is and to reply answers as-is, or in search of perferct forwarder

I use bind9 server (A.A.A.A) as forwarder only: queries are forwarded to other DNS server (B.B.B.B). I manually ask B.B.B.B to resolve domain and got correct result: $ dig a downloadcenter.intel.com ...
2
votes
2answers
45 views

Should we allow DNS zone transfer to root-servers and parents zone NS servers?

I never found any reference to this in example set-ups, including those from the Bind ARM. Nevertheless, I noticed my authoritative server received transfer requests from IPs — not their names ...
0
votes
3answers
38 views

iptables rules for port 53 not taking effect

My ubuntu 14.04 LTS server is receiving lots of incoming traffic on port 53 from different ip addresses. I am not hosting any DNS service. So I decided to block port 53: iptables -A INPUT -p tcp ...
-1
votes
1answer
19 views

Are DNS Fowarders the correct method to send requests to two different Plesk WebServers? [on hold]

Im in a BIND (pun intended). I have two master NameServers, each running BIND on two Plesk Web Control Panel installations. One server is in the US while another is in Europe. Each Plesk install has ...
0
votes
0answers
27 views

What does it means to send DNS zones?

I have a domain registered at a provider (let's call it DomainSeller). I have a website hosted with another provider (let's call it WebsiteSeller). I wanted to link my domain name to my website. I ...
0
votes
1answer
55 views

Networking newbie [on hold]

I have been working in a call center as an IT assistant for a while. I have almost no networking experience, but suddenly I've become their entire IT department. We have around 100 employees, and I ...
0
votes
0answers
10 views

How to access Mesos DNS running on VM from host

I have a host machine (Mac OS X 10.11.1) running virtual machines through vagrant. I installed Mesos DNS on one of the nodes, and modified resolv.conf on other cluster nodes, so I can successfully use ...
4
votes
1answer
190 views

Should I put Scope:Link or scope:Global IPv6 address in DNS AAAA record?

I have a mail server for which I need to create the AAAA DNS record and update the SPF record to include its IPv6 address. An ifconfig command shows a Scope:Link IPv6 address and a Scope:Global IPv6 ...
0
votes
1answer
42 views

Cannot Join Client Computer to Server Domain (Windows Server 2012 r2)?

I'm having trouble with trying to join my client computer to the server domain. My client is Windows 7 Professional and the server domain OS is Windows Server 2012 R2 Standard. I tried the usual ...
0
votes
1answer
27 views

DNS A record with only primary/secondary nameserver options?

I just bought a domain through a domain service and they give me the following options for editing DNS records: I'm trying to set up branded bit.ly forwarding on the domain, which asks me to set my ...
2
votes
1answer
16 views

How to properly configure a classless reverse zone in BIND 9

I'm trying to configure reverse DNS for a sub Class C block. My ISP has delegated 128/25.2.0.192.in-addr.arpa. I've spent a good few hours reading everything I can find on classless reverse map ...
1
vote
1answer
17 views

DNS RPZ zone queries are being “refused”

I am testing out the BIND Response Policy Zone feature on our lab DNS server. We run a RHEL 6 server with BIND 9.8.2. I have followed the instructions here but I can't get it to work. Here is what I ...
0
votes
0answers
9 views

Setting up Magento in WHM & Cpanel [closed]

I've set Magento multiple stores on my server WHM/CPanel as addon domains under n site3.org using this tutorial: ...
0
votes
1answer
27 views

DNS forwarding for external addresses on same domain as Windows Server 2012

I am experimenting with using a windows server 2012r2 installation purely for DNS for my network (no AD etc). I have set up the zone for my domain e.g. example.com and successfully added some A ...
1
vote
1answer
61 views

Windows 10 Name Resolution skipping/ignoring subnet

This is a rather complex problem, but I'll try to make it easy to understand: I have three subnets. We'll call them 10.10.0.0/22, 10.20.0.0/22 and 10.30.0.0/16. I have two AD domains, but I don't ...
1
vote
1answer
39 views

DNS mail record concatenates IP address and hostname together

I have the following BIND zone file pointing the webserver to yyy.yyy.yyy.yyy and the nameservers and mail server to xxx.xxx.xxx.xxx: $TTL 300 @ 86400 IN SOA ns1.domain.com. ...
0
votes
1answer
26 views

Roots server do not update my new nameserver (CentOS bind DNS server)

Last week, I changed my dns nameserver from dns2.applistar.com to ns1.applistar.com. But after that, my DNS server was downed. I do not know why :(. I reconfig everything, but it still downed. I ...
1
vote
0answers
26 views

Increase in Forwarders Since Implementation of DMARC Reject Policy

We have Google Apps for Business set-up with our domain name for our business. Since making the change to fully reject mail that fails dmarc, the number of messages counted as coming through ...
6
votes
5answers
357 views

No IPv6 & DNSSEC support on cc-TLD? (practical implications)

I'm needing to register some domains that have country code domain extensions, but noticed that those TLDs do not officially support (A) IPv6 or (B) DNSSEC... What limitations or pitfalls should I ...
0
votes
0answers
8 views

CoreOS docker.service containers can't resolve domains

I have servers PXE booting to CoreOS with persistent state being written to disk. When I start docker containers on the host they work fine. And I have the docker.service set in the cloud-config to ...
-1
votes
0answers
33 views

My website suddenly stopped loading on my laptop but is working fine on my phone, both connected to the same network [closed]

I'm new to this platform so bear with me please. I was working on a website of mine www.clubsve.com and suddenly it stopped loading on my laptop. Initially I was using chrome. I tried Opera ...
0
votes
1answer
80 views

Could not get domain controller name from machine

While validating a Failover Cluster over two member servers I get the following two errors: Connectivity to a writable domain controller from node SQL2.domain.com could not be determined because of ...
2
votes
0answers
33 views

group policy being applied from offsite Domain Controller: why?

Site 2: I have a small branch with 1 DC and 4 clients. Site 1: Meanwhile my main branch has 2 DCs and lots of clients. I made some GP changes on DC-site2, and I was wondering why they weren't ...
-2
votes
1answer
20 views

Email reception directing the domain request to EC2 instance

I'm not able to receive any emails on my GoDaddy hosted domain after changing the DNS settings for redirecting the domain request to an AWS EC2 instance. Even though it's a common scenario, I would ...
-1
votes
2answers
26 views

How to host multiple apps on one server and point multiple domains to them?

I am trying to figure things out and I am confused. I know some things but not enough. I know that domains actually point to the IP address of a server. So if I want to have two apps, they both have ...
0
votes
1answer
23 views

Namer Server Propagation DELAY / Private DNS

I have the below setup at my registrar . Main DOmain = abc.com Second Domain = def.com Third DOmain = ghi.com As such , I have configured the below DNS / Host settings . abc.com NameServer : ...
0
votes
1answer
20 views

Are name servers enough to point a domain to an S3 bucket host?

I recently bought three domains via some site, planning on pointing them to an S3 bucket. The first one I succeeded in doing so, because I added both name servers, an A record, and a CNAME for the ...
0
votes
0answers
20 views

Connect to local DNS over VPN

I have setup on Digitalocean droplet with a Bind9 DNS to local ip and VPN with PPTP to public ip. When I am at server via SSH nslookup example.local results in: Server: 10.131.2.72 Address: ...
1
vote
2answers
39 views

Remove DS Records from Parent Zone

We transferred a .se domain to GoDaddy from a small Swedish registrar. It turns out the original domain has DNSSEC setup and the DS records were never removed from the parent zone when it was ...
-2
votes
1answer
20 views

how to establish a connection to a certain domain using domain name [closed]

I have software that requires that I establish a connection to our server "SERVER01" which I am connecting via VPN to the domain "DOMAIN01" The license will not permit me to use the following ...