A name server is a computer server that hosts a network service for providing responses to queries against a directory service.

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dig command on linux returning differing results

Running the command dig against a particular domain, returns the previous name server details. For example; domain.com. 41068 IN NS ns1.nameserver1.com. Now if i run the command dig ...
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1answer
39 views

What is the minimal possible bind configuration that works?

I have been trying to make bind work on Fedora 21, and haven't succeeded doing it. I read a few tutorials which basically instructed me to create a zone for my domain and an inverse mapper, then ...
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2answers
39 views

How does a client get the zone file?

I understand the role of a NS record, but what I don't understand is how a client (e.g. my computer) get the NS record in the first place? Please help me fill in the gap: I want abc.com I ask ??? ...
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0answers
17 views

How domain provider's DNS name server entries work? [migrated]

Scenario: You buy domain abc.com from provider XYZ. You want to host your own DNS server on example.com (on ns1.example.com ns2.example.com). The domain and both subdomains will point to same IP. XYZ ...
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0answers
30 views

Unable to set up name servers [migrated]

I've set up a server at my house running cPanel and CentOS. I'm unable to point a domain to the server using nameserver's. I can how ever point it to my server using an A record. I've set up port ...
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1answer
26 views

Make nameserver instead IP address for domain redirection [closed]

I have many domains which are pointed at server IP 100.10.xx.xx. 100.10.xx.xx hosts a website: example.com I want all the domains to point to server name not by IP. Because I fear the complexity ...
3
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1answer
405 views

Why is my dns server being queried for domains that I don't host?

I installed dnstop to monitor my nameserver running bind9 and was surprised to see it being queried for other domains that I don't host. I am just wondering if this is normal behaviour, or have I ...
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1answer
42 views

SRV Records, how to [closed]

Okay, I have been looking all around for an answer yet I couldn't find anything explaining SRV records in depth or at least not being a simple to do tutorial. I am aware, that my question is basic, ...
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0answers
25 views

Can I Mix Multiple Nameserver Sources in resolv.conf [migrated]

In the list of nameservers in resolv.conf, can I use different nameservers (one from ISP, one from Google, etc..) in each line or does it all have to be from same source? Example: nameserver ...
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0answers
6 views

What are the disadvantages of having a domain name with special characters? [migrated]

What are the disadvantages of owning a domain name that contain special characters? Some special characters are, for example: áéíóú, àèìòù, äëïöü, etc. These characters open the possibility of ...
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1answer
47 views

Name servers not resolved leading to DNS lookup failure

So it's difficult to give a short title to this but I'll go over a brief back story... So I have the domain repo-itechy21.tk and have hosting with 000webhost. (ew) it's been a good 30 hours and my ...
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28 views

Domain not responding to A record

I had domain set to amazon EC2 instance. Yesterday decided to switch to the DO dedicated server, changed A record of domain to the DO server ip address. It's started to work pretty fast(less than 10 ...
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3answers
122 views

Adding a domain and subdomain to server

Greetings and please excuse me if this is a very basic question. The problem: Currently I have bought a domain (crazywebsite.com) from Godaddy.com and I have an unmanaged VPS in Site5.com. I have ...
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1answer
53 views

Subdomain DNS appears to be resolving from different nameservers than main domain

I have an inexplicable issue with DNS for a domain and a subdomain. I first noticed that doing an A record lookup on the subdomain is returning different results than what is in the DNS config. Then I ...
-1
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2answers
57 views

Domain not resolving from some locations

I need help collecting some sort of proof of what might be wrong here Problem description location 1 Ping <domain.net> Ping request could not find host <domain.net>. Please check the ...
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2answers
164 views

what does this mean Superfluous name server listed at parent: ns52.domaincontrol.com?

I get this message from pingdom Superfluous name server listed at parent: ns52.domaincontrol.com A name server listed at the parent, but not at the child, was found. This is most likely an ...
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0answers
23 views

How can a domain's NS records point to a subdomain of itself? [duplicate]

As I understand that if I have domain A.com, it must be managed by another domain like ns1.B.com, ns2.B.com $ dig ns alibaba.com ; <<>> DiG 9.9.2 <<>> ns alibaba.com ;; ...
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44 views

How do I give each Virtual Host in Apache a domain name on a local network?

Background information. I have a server (running Debian Wheezy and Apache 2) at which I am to set up several Virtual Hosts to allow students to host their own website for development purpose. I am ...
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1answer
58 views

domain name not recognized by Facebook app

This issue may seem more appropriate for stackoverflow at first, but I suspect that there is an underlying server issue that I'm unable to diagnose. I'm just not sure what's wrong. We have a site ...
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1answer
41 views

Server migration dns doesn't resolve

I have a problem migrating accounts from one server (SERVER_1) to another new (SERVER_2). I have a domain DOMAIN_1 with some NS created on the domain provider (CDmon): ns.DOMAIN_1 pointing to ...
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1answer
31 views

in Debian rescue shell: cannot resolve FTP/HTTP addresses

After accidentally removing a package needed for DHCP, my Debian installation has lost internet access. After rebooting from Debian-netinstall disk, and entering a rescue shell, the situation is as ...
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1answer
70 views

How to edit domain's nameservers when no service “takes responsibility”?

I think I may have made a mistake when migrating my DreamHost registered domain to Amazon's Route 53 service. I didn't modify the DNS settings on DreamHost's end during the migration. So now, my ...
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1answer
31 views

DNS Zones: criteria to create new zone delegations

If I'm not wrong, within a domain name a company owns, their administrators have complete freedom to create as many cuts (zone delegations) inside the domain tree as he wants, but, inside his own ...
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1answer
36 views

How does a resolver know a DNS response is authoritative?

The title says everything about me question. How does a resolver know the response comes from an authoritative name server? An equivalent question: what flag or field is marked by a name server to say ...
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2answers
36 views

What is the benefit of cloudfares or inkapsulas etc ddos protection [closed]

My Server get even more attacked via DDOS. And im thinking about buying a service like cloudfare or incapsule for preventing DDOS. But i dont understand one thing. When the attackers see that the ...
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1answer
59 views

Parked domains on Spamhaus DBL

I've set up a nameserver to park a bunch of my domains (similiar to sedo, bodis etc). Everything is working well. Unfortunately, all my parked domains are instantly listed at spamhaus (DBL). No mail ...
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1answer
52 views

DNS Zone manager - Server name and NS records mismatch. Pingdom errors

http://dnscheck.pingdom.com/?domain=leadassign.com&timestamp=1413917580&view=1 Lists errors: "Superfluous name server listed at parent: ns1.io-servers.com.", etc. I think its because in the ...
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2answers
98 views

How does my registrar (Namecheap) let me set up a CNAME record on the apex domain?

Namecheap seems to let me create a CNAME record on the apex domain, which I thought was contrary to the definition of a CNAME record: It works (correctly loading up my static site from S3). ...
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1answer
61 views

How to set up a DNS authoritative nameserver with just an IP?

I'm looking to set up my first DNS server, after having used registrar or web host provided DNS for years. It's going smoothly for the most part, but I'm having a bit of trouble understanding how to ...
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1answer
43 views

Requests not arriving at my own nameserver

I want to handle the dns requests for my own domain. For example I have the domain dnsrequest.me and the nameserver is pointed towards my server 178.62.242.84 (whois confirms this). So when someone ...
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1answer
124 views

BIND: Forcing authoritative nameserver answer with no data on non-recursive requests (Research purposes)

Edit: I've simplified target goal as suggested by Andrew B. The goal is basically setting an authoritative name server to only give real answer on recursive requests, which means breaking the ...
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1answer
27 views

Nameserver setup Bind

I have setup a domain and nameservers as per below, but when I dig the domain, it is not working. The setup is as follows: I want a domain named iheartlotto.com, and the nameservers to be ...
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2answers
27 views

Bind Nameserver Setup

I setup bind on my debian box, and have setup my zone files to have my nameserver defined. When I dig, using for example: dig @123.456.789.123 ns1.mynameserver.com where 123.456.789.123 is the ...
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3answers
115 views

Point 1 domain to 2 different DNS [closed]

Is it possible for a domain name to point to 2 (or more) different name-server? For example, here I have a domain name testdomain.net, and I want to point it to ns65.domaincontrol.com (GoDaddy ...
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0answers
28 views

NameServers not updating

I have a domain on Godaddy, in the morning I have updated the nameservers to point to Linode Servers, after about one hour, everything was ok. Now, when after sometime, when i'm trying a dig on the ...
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1answer
40 views

site not working for all except me

I have a dedicated server and a domain name which is pointing to my shared hosting. Two days back I changed the name server of the domain name to this server. Till the propagation time i been working ...
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2answers
44 views

Do DNS servers get queried in round-robin, random or some other fashion?

I know for a fact that A records and most other records are round-robin. MX records have priority types. What about D(NS) servers? Both in the context of NS record and static configuration in client ...
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1answer
53 views

Connecting local web server to local dns server

I have 1 local webserver "192.168.91.100" and 1 local DNS server "192.168.91.101" to do name resolve for the local web server. I have configured few zones in local DNS server. I wanted to link this ...
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1answer
50 views

Standalone DNS performance for 2 servers

If i use standalone dns (cpanel dns only , powerdns, maradns etc) for managing my main nameservers what would the effect be on performance for clients who have A records set at the domain registrar ...
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1answer
110 views

Website not coming up only for airtel broadband [closed]

We are into a strange issue. We recently launched our website. Domain name is registered with GoDaddy & is hosted on GoDaddy VPS. Website is live & comes up properly everywhere other that ...
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1answer
95 views

Is SERVFAIL error related to changing of nameservers? [closed]

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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2answers
62 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 ...
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1answer
200 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
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3answers
71 views

Need to migrate hosting service without email service downtime

I have a client, who uses Gmail with his own domain for email, he updated his mx records and everyting. now we need to switch hosting providers without any email downtime. Email service is really ...
-1
votes
2answers
145 views

Is it possible to transfer an IP address from one host to another?

I have a client that created over 600+ websites whose DNS records point to an actual IP address and not name servers. They are looking to move from their current host and do not want to lose their IP ...
2
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0answers
145 views

Private nameserver IP [closed]

I am working on a VPS. The server we are using was installed with WHM Accelerated and CPanel, the option we selected for DNS was BIND. When I came to updating the Nameservers on the Domain ...
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1answer
165 views

Intranet NameServer for Public Domain [closed]

I have registered a domain name domain.co and have a intranet DNS server (BIND) which is serving the queries. I want this domain and dns to be discoverable by anyone in the network without making any ...
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1answer
119 views

Host DreamHost subdomain on DigitalOcaen

My main website is registered and hosted through DreamHost. I want to host a subdomain on DigitalOcean. I added a custom DNS record on DreamHost - type A with "value" equal to the IP address on ...
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1answer
84 views

Lowering TTL on nameserver, not registrar, then changing nameservers?

A client website has their domain name registered at GoDaddy. This domain points to Wix.com's nameservers. I've lowered the TTL in wix to 1 hour. However, when we go live we'll be switching the ...
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1answer
51 views

Nameservers still old website [closed]

I have a domain called www.kickassgamekeys.com for which I switched namerservers and it shows that it is updated. When I try to access it form work it takes me to the new server (default opencart ...