DNS stands for the Domain Name System, a hierarchical, distributed database where the keys are domain names.

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1answer
10 views

AXFR query to BIND9 stops

When trying to use dig to do an AXFR transfer of a zone it always stops at a particular record and then a server time-out error is thrown. The bind log doesn't show anything related to this and I'm ...
0
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0answers
7 views

FSL_HELO_NON_FQDN_1 - how can I prevent Spamassassin from triggering this rule? [on hold]

When I send emails from an account that is associated with an add-on domain on my shared hosting account (Bluehost) to a mailbox in the primary domain, they get tagged as spam. This is of course even ...
1
vote
1answer
44 views

Wrong DNS answer with CNAME and A Record at the same time

We had a customer which has set a CNAME Record for his domain. Somehow he managed it to set an A Record too, which should be not possible and is forbidden by DNS. But the result was: $ dig ...
1
vote
0answers
21 views

Force Windows DHCP to Update DNS for All Current Leases

Is there are way to force Windows 2008R2 DHCP Server to update all DNS entries for all current leases? (Guess the server-side equivalent of ipconfig /registerdns) We had a configuration issue with ...
-5
votes
0answers
32 views

Forward a domain using only the registrar [on hold]

I own site1.com and site2.com, I want to forward site1.com to site2.com only using the registrar, not setting site1.com up with any host.
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votes
2answers
38 views

Domain and Webhost in two different companies

I am planning to migrate from godaddy to another webhosting company but not including my domain registrations. I have two domain names and I am planning to get one free domain name from the webhosting ...
2
votes
1answer
40 views

DNS failure solved by reboot of lighttpd?

I have a run a fairly busy site for 2 years with this setup for the web server: ec2/Amazon Linux AMI 2014.03.2 on a micro instance lighttpd (latest) godaddy dns This morning, the site was down - ...
-1
votes
1answer
29 views

Making Private Domain Marriage Public Domain Name - Revisited

I'm building a server with Windows Server 2012 and I've checked many articles on the net about "naming" your internal domain. Interestingly, most of the comments are from 2009. As we all know, times ...
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0answers
13 views

Return NXDOMAIN for local zone in unbound resolver

I have a local recursive resolver based on unbound. I would like to perform reverse nxdomain-highjacking. I have defined an exisiting domain I would like to block as a local zone. Currently, I reply ...
0
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0answers
19 views

Windows Server 2012 - Cannot open external HTTPS pages

I have a Windows Server 2012 Standard running the following roles/features: DNS DHCP AD DS Print Services For a reason I don't know, whatever external https page I try to access from IE or Firefox ...
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votes
0answers
22 views

How to setup nameserver for webserver with BIND? [on hold]

I have a webserver on local network with address IP 1.1.1.1 and BIND server with address IP 127.0.0.1. i want to nameserver 1.1.1.1 to gofordns.com. so if a client user on local network type ...
0
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0answers
13 views

DNS options on Cisco switch providing DHCP

At the company work for we decided to move DHCP duties from a Windows server to our 3750-X switch stack that's the gateway for our network. I researched the commands needed and cobbled together the ...
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votes
0answers
25 views

Is it possible to redirect all port 53 traffic? [on hold]

We want to redirect all port 53 traffic to our DNS server using a "Raspberry Pi" acting as a switch. Is this something that is possible/realistic? (All DNS traffic, including applications that try to ...
1
vote
1answer
41 views

Find DKIM and DMARC Records?

Is there a method to find a domain's DKIM and DMARC records using dig or nslookup? I have attempted to do the following: dig somedomain.org any returns many records, but not the known DKIM and ...
-2
votes
1answer
33 views

cpanel domains cannot resolve after installed [on hold]

I've just installed cPanel/WHM in my centos 6.5 But i can't reach my domains. I've set my hostname to "server1.example.com" my nameservers are : "ns1.example.com" and "ns2.example.com" ...
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votes
0answers
36 views

apache2 subdomains not working

I've been having a lot of issues with subdomain configuration in Apache. I've followed various tutorials but there must be something I'm doing wrong. When I go to the domain now, it shows nothing. ...
1
vote
1answer
35 views

SSH fails with host not found, but NSLookup finds that host

I have a small business network with several servers on it. To simplify things, I added a BIND9 DNS server on one of them, with entries for each of the local machines, i.e. vpn.example.com, ...
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votes
0answers
21 views

who know a bind9 DNS zone file admin GUI [on hold]

who know a bind9 DNS zone file admin GUI with: - standard updates like provided by webmin - massupdates over a mass of zone files, e.g. chaning MX records or NS records
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votes
1answer
24 views

Sites not accessible after running permission fix, possible DNS error?

I have a problem with my current VPS server running CentOS 6 and is managed with WHM and cPanel. All my websites were being created from WHM and are located in the /home directory (ownership: ...
0
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0answers
21 views

Bind9 stops responding when router loses internet connectivity

I have a Ubuntu 14.04 server which is acting as a router. So one interface (wan port) has internet access and the second interface (lan port) doesn't. All traffic from the lan port is masqueraded and ...
-3
votes
1answer
56 views

Is SERVFAIL error related to changing of nameservers? [on hold]

After changing name servers of recently acquired domain, I receive this SERVFAIL error running dig on the domain name. GoDaddy, where I buy domain name, says it's not their fault because the WHOIS ...
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votes
1answer
36 views

Redirect DNS requests with OpenWrt

I've brought a wireless router to my office, because there's no free network socket near my place. Every normal computer that is connected via Ethernet cable normally gets IP and DNS addess servers by ...
1
vote
1answer
32 views

DNS of site fails to resolve only on IE - 'This page can't be displayed'

On IE (and only IE), our domain coinchat.org fails to resolve. IE displays the 'This page can't be displayed' error. In the IE console, the page is actually 'dnserror.htm' hinting that IE might have ...
0
votes
1answer
29 views

DNS A record is not working with Amazon Route 53

I have a domain name from MediaTemple that I would like to point to a server EC2 instance on AWS. On my registrar's web site I specified AWS name servers. Using Route 53 I created specified DNS record ...
0
votes
1answer
15 views

Migrating DNS Settings from Office 365 to Google Apps

I need to migrate my company from using Office 365 to using Google Apps. I have backed up our email to .pst files. The big remaining task is migrating the DNS settings. Our company uses GoDaddy. I'm ...
0
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0answers
43 views

How to provide Internet Access to Private Subnet [migrated]

I really need some help/advise on a networking issue I have. I am fairly new to this sort of configuration so any help would be very much appreciated. My Setup: I am using VMWare Workstation 9 to ...
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votes
2answers
50 views

Why do nameservers have thier own names? [duplicate]

For example, lets say there is a hosting company, hostingcompany.com, with nameserver ns1.hostingcompany.com. When I type hostingcompany.com into my browser, my computer contacts a top level domain ...
0
votes
1answer
20 views

I can't make my website Online, I used Apache + Bind9 + port forwarding everything [closed]

For Months Now I was trying to make an accessible website to my friends (online) I read every resource on google. I configured apache virtual host, Bind9 Zones,records all, Even Port forwarding 80 ...
0
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0answers
11 views

MX Records Error in Windows SBS 2011

i've a problem with MX records in my DNS Server, and i can't figure out why. (xxx.xxx.xxx.xxx is the server IP) Direct Zone: (equals to main) Exchanger Mail (MX) [10] mail.example.com mail ...
0
votes
0answers
39 views

private network IPs (of a VPN) in public DNS

I have a public DNS server responsible for my domain local.example.com. Some ISPs always deliver the private IP, some do NOT at all, but most of them answer the correct IP to a DNS request after 5 to ...
1
vote
1answer
29 views

Split DNS configuration: can't update external zone from internal system using nsupdate

I have set up a single DNS server with bind9 and a split dns configuration so that all internal requests for my domain name get the internal IP address, and all requests from outside my network get ...
0
votes
1answer
28 views

How to proxy traffic by IP using server names/aliases?

We have 5 different server locations each containing around 30 servers each, each server represents a URL and serves both HTTP and HTTPS. They're all identical however provide different content based ...
0
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0answers
14 views

Why is Bind not seemingly not reloading my ACL's on service reload?

I have a two views setup on my ubuntu server: acl members-nl { 1.2.3.4; }; acl members-eu { }; I had the IP 1.2.3.4 inside members-eu and did service bind9 reload - its not taking affect. I ...
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votes
0answers
33 views

Can I autoregister my servers hostname in my local DNS? [closed]

We have evaluated a W2k12 server as a domain controller at work. This has the extra benefit of registering every "subordinate" computers name in it's DNS so that I don't have to go around remembering ...
-2
votes
0answers
25 views

Some people suddenly say they cant access my site, but me and all others can [closed]

I have had this problem many times before and im still unable to find out what is causing it. It happned to me some months ago but it got fixed by itself and had already gone back to normal. ...
2
votes
1answer
32 views

Is domain-transfer inherently safe for downtime when the name servers remain the same?

I've been reading around this topic towards understanding whether there's some or no chance of downtime during an upcoming domain transfer for 15 live and very critical domains. In our case there are ...
0
votes
1answer
22 views

Error 404 on CNAME forward

In my DNS manager, GoDaddy I made some A Record that points to *.mirror for my domain Now when I access URL 123.mirror.mydomain.com from the browser I can see that my app is loaded, and its all OK. ...
0
votes
0answers
14 views

SPF Record — fighting spoofing email [duplicate]

We are getting email's from email addresses that are from old employees and the addresses have been deleted. This is spoofing, right? Example getting emails from Doe1@domain.com but Doe1 email has ...
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votes
1answer
24 views

Nginx server_name is set to mydomain.com, so why is www.mydomain.com getting served too? [duplicate]

I have my Nginx conf set up as follows: server { listen 443 ssl; server_name mydomain.com; ... } When I load https://mydomain.com, the site loads fine. But when I load ...
0
votes
1answer
51 views

DNS with name.com and Amazon S3

I have a website on a bucket in Amazon S3, and recently started to get emails from Google "Googlebot can't access your site". When I go to Webmaster Tools and I try to fetch in fact it doesn't work. ...
0
votes
1answer
22 views

How to get reverse DNS to work for multiple IPs and domains on Windows Server EC2 instance?

I have a EC2 instance setup running hMailServer. I have a primary IP on the system that I am using for example1.com email. I would like to also add a second domain example2.com using a different IP ...
0
votes
2answers
32 views

Cannot ping a VM from a Hyper-V host

I am facing a weird situation in my network environment. My infrastructure looks like this: I have a D-LINK DIR-635 acting as my default gateway (192.168.0.1) A physical Windows 2012 Server ...
0
votes
2answers
53 views

How to balance the root domain using NS records?

I have two load balancers that balance incoming traffic across multiple data centers. These work fine. I can test them out by doing an nslookup example.com xIP I have now taken out DNS services with ...
-1
votes
1answer
30 views

“dig +trace fqdn” and “dig fqdn” do not give the same result on a LAN with windows DNS server, why?

in my company LAN I have a Ubuntu 14.04 server running in Virtualbox (as guest) on a Windows 7 (the host) with network interface bridged (so the Ubuntu server belongs to the LAN, with its ip: ...
0
votes
1answer
61 views

Best Practice: DNS and VPN (with private network IPs)

I am trying to find the best solution for my DNS problem. We are running several services in our company that you can reach only over VPN. Other services, that are reachable through the internet got ...
-1
votes
1answer
34 views

Can bad DNS replication cause a user to loose connectivity to a shared drive [closed]

We have multiple users that loose connections to shared drives on a particular server. I am able to ping the server hosting the files but can not see the host, or directories. Also its not 1 user, its ...
-1
votes
1answer
34 views

Setup CNAME for multiple sub domains

I added a CNAME record in GoDaddy **.mirror -> ghs.googlehosted.com My goal is to be able to point to a web app using username.mirror.xyz.com However this works partially, the only thing that works ...
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votes
2answers
46 views

Setup docker.io container in Webmin DNS [closed]

How can I setup a domain domain.tld forward to a specific docker container listening on a specific port i.e. port 2375 (with a lamp config inside)? The server I'm using is Ubuntu 14.04 and the server ...
0
votes
0answers
16 views

QPS for dnscache

I have 2 internal DNS servers (ns1 & ns2) on Ubuntu 12.04 which run dnscache, and my client's resolv.conf have something like: nameserver ns1 nameserver ns2 nameserver 8.8.8.8 Since all my load ...
0
votes
0answers
28 views

Godaddy one page hosting [migrated]

Disclaimer: not sure this is the right place for this kind of question, sorry in advance, just point me to the right place and I'll move it. In godaddy when paying only for domain, without hosting, ...