DNS hosting service is the service than runs DNS servers.

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How does Cloudflare know about my Subdomains?

I just signed up Cloudfare and they showed me a list of my subdomains by scanning my domain. How do they do this? What technology is used to scan all subdomains related to a root domain?
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1answer
28 views

Windows 2012 R2 Authorative DNS Server returns root hints

I have a non domain joined authoritative dns server for a zone, I've disabled dns recursion in server settings. When i do a query with dig @ns1.mydomain.tld . it returns the root hints. I've read ...
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1answer
92 views

Why use obscure nameservers? [closed]

I have noticed that most nameservers for "The Big Guys" use strange domains. Why don't they use their primary domain for nameservers like NSX.register.com or NSX.godaddy.com or NSX.dreamhost.com ? ...
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1answer
34 views

How to access my site as http://www.blah.com and http://blah.com [closed]

I own a domain on GoDaddy, let's say blah.com. And i point an A record @ to my server IP, let's say 123.123.123.123. The GoDaddy panel already have a CNAME record www wich points to @. I suppose ...
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1answer
72 views

Previously working domain name, suddenly 'no records found'

The domain name is question: cleangreenpgh.com. I host a few web client websites on my co-located Mac server. Domains are through OpenSRS. Four domains in all, using same records to point to ...
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1answer
50 views

Masking CNAME/A Record Requirements from Clients

I'm reselling hosting services to non-technical clients. With regards to associating domains/IPs, the host I'm reselling requires that once a VPS is deployed i then go to the domain's registrar and ...
2
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1answer
95 views

Using a cname for root/apex DNS zone loses MX records

DNS is hosted with Media Temple - I mentioning this only because I am curious if my logic is wrong or if this is specific to the way the Media Temple front end is translating input from the edit form ...
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1answer
51 views

Why does this name server resolve incorrectly?

Why does this ENom name server resolve incorrectly? Earthlink is related to my ISP. $ nslookup yahoo.com dns1.name-services.com Server: dns1.name-services.com Address: 98.124.192.1 Name: ...
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3answers
82 views

What tools should I use for DNS diagnostic?

I am trying to host a domain name (pressemag.com) on my dedicated server. I have put DNS the domain name provider gave me I put the .pressemag.com A 88.190.22.44 but nothing.. site is totally ...
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1answer
34 views

Why we have always two ips as DNS Entry [closed]

Why we have two IPs for dns entry like in Google DNS - 8.8.8.8 8.8.4.4 Or as in OpenDNS - 208.67.222.222 208.67.220.220 Also in router settings, it shows always 2 ips for DNS. Any specific ...
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1answer
50 views

how to find if there is …in-addr.arpa delegated?

I have ip pool, but reverse dns does not works. It works if lookup on ns server. Does not works in internet. I requested registrator to delegate this pool to ns1.mydomain. I added net IN NS ...
2
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1answer
69 views

How do you change the IP address of a DNS server?

I currently host a DNS server to make it easier to manage our company's subdomains (we're web-devs). However we need to change the IP address of one of the DNS servers as the DNS service has been ...
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1answer
45 views

DNS Subdoamin Issue [closed]

we have an godaddy account for dns, and we registered our servers in godaddy dns admin console, right now we have an problem, our case is our registered server ip in godaddy dns can able to register ...
2
votes
2answers
96 views

How can I mitigate DNS Server outages?

Let's say I have a root domain of "mysite.com". That domain and its sub-domains have DNS served by an external service - let's call them Setwork Nolutions. If this external company is hit with a DDoS ...
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0answers
66 views

Why an anycast server is so far away / slow? How does BGP anycast work?

I've tried doing a couple of traceroute tests to the DNS servers of Rage4, which are anycasted from many parts of the world (supposedly, from 30 different locations). What I've experienced is that ...
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1answer
62 views

Single Shared Host, Single IP, Multiple Domains, Multiple Websites… (with and without SSL)

While my post may look similar to others, it concerns shared accounts at a web hosting provider all utilizing the same IP address (rather than different IP addresses). Here comes what I would like to ...
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0answers
28 views

Should each of my websites have a domain.db zone file on my server?

I am sorry if this is a stupid question. I have a few domains on my server. I use DNS Made Easy to manage my DNS. So my registrar is pointing towards DNS Made Easy, and DNS Made Easy is pointing ...
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2answers
120 views

Is there a way to tell all DNS servers to keep resolving the URL while the root DNS server is offline? [closed]

It already happened twice that the root DNS server of the webhoster (a well known company) where one of our domains is registered went down for hours (due to a DOS attack). Our website was unavailable ...
3
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1answer
657 views

Why does name resolution not work on the server itself?

I have got an Ubuntu Linux 12.04.1 server which as one service runs bind9 for name resolution for a xxx.local domain which forwards all other requests to the name servers of my Internet provider. ...
0
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3answers
166 views

Point dns to vps - How dns works [closed]

I'm moving from a sharedhosting to a VPS and I'm struggling with DNS'. My hosting company only provides me my VPS' IP, and my domain, say mydomain.com is registered a registrar called bookmyname.com. ...
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2answers
895 views

Superfluous name server listed at parent

The domain in question is lhlc.org.uk. The name resolves correctly but when using Pingdom DNS Check it says that errors were found: ...
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1answer
60 views

DNS Nameserver Error

Sorry I am new to this DNS jargon so the following question might sound obvious. I have a VPS server and I am using third party dns server for managing DNS. My DNS provider had given me his own name ...
2
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1answer
97 views

Are these nameservers configured properly?

I'm caught in a technical war between two companies. One is a major email hosting organization. The second is a DNS provider called DNSMadeEasy. The problem: An email from an outside domain to a ...
2
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1answer
151 views

Windows DNS: dnscmd.exe with IDN zone names

I've automated some tasks for a client who is a web hoster. One of these is automatically creating DNS entries in Windows DNS server. Client has recently started to take IDN registrations (domain ...
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2answers
88 views

DNS: How to find out which software a remote DNS server is running

Situation I know the IP address of a DNS server running in the same network on a machine which I can't maintain. Question How can find out more about which software that DNS server uses? Thanks ...
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0answers
45 views

how to get dns-hosting service to create second-level wildcards?

I need to have a wildcard DNS record (CNAME preferred, but A/AAAA would be fine) for some dynamic services that I'll be setting up, but I don't want to start matching arbitrary records within our ...
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1answer
65 views

Domain names have gone down - site still up [closed]

I host a couple of websites on the same Ubuntu server, and as of today both domain names have gone down. PuTTY and FTP still both work so it is obviously a problem with the domain name. I haven't ...
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2answers
140 views

Best way to load balancing between AWS and Rackspace?

I have a SaaS product hosted on AWS and I would like to have the same infrastructure hosted on Rackspace (or any other host) to offer a high availability (eventually load balancing) for my users in ...
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1answer
34 views

Why I can not link my domain to a new nameservers? [closed]

I have a domain name for my online website and it works fine I change the hosting server for some reason and now everything is going bad. I can not link my domain to the nameservers for example my old ...
1
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1answer
755 views

Cloudflare, reverse DNS and php mail ending up in spam folder

I've been using Cloudflare to host my DNS, and PHPMailer to send e-mail through ZOHOs SMTP servers with great success, but have found that all my e-mails are hitting Gmail, Zoho and Hotmails spam ...
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2answers
62 views

conditionally resolving an incoming dns request

I want to conditionally resolve a DNS request based on incoming query. Let's say I have 4 domains - www.a.com , www.b.com , www.c.com and www.d.com. As of now they are point to s.com using CNAME. ...
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1answer
480 views

SRV DNS Record with Custom Ports. Am I misunderstanding what SRV is supposed to do?

I have read up on SRV records, and thinking I understand what they are meant for, I want to achieve the following: In short: Bind a hostname to another hostname, but changing the port. I.e. Take ...
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2answers
132 views

Run local dns-server that forwards dns querys to different dns nameservers

I would like to run my own local dns-server, that forwards only some dns-queries to special dns-servers and all others to the public google dns servers. The database of the local DNS-Server should ...
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1answer
121 views

BIND not pointing to right IPs

This is more of an experiment to learn and understand BIND/NAMED more but here is what I have. I set my computers DNS to my linux server's IP. I have BIND9 running with the following entry: $TTL ...
0
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1answer
196 views

How to diagnose DNS problems after switching to Route 53

My domain was purchased with Enom and up until a few days ago I was using their DNS. I made the switch to Amazon Route 53 and set up all my records there. Every time I've tweaked the records I've ...
2
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3answers
150 views

DNS wildcard: make all subdomains unresolvable

Here's the situation: before I bought the domain, all of its subdomains were resolving to some IP address (let's call it WRONG IP) after I bought it - nothing changed. I could add my own records, ...
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2answers
64 views

Moving a DNS server to a new IP address

i have a dns server on windows 2008 x64 and i want to change its ip address. If i keeping the DNS server name (typically "ns#.domain.com") and just moving it to a new IP address, what time it takes ...
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1answer
59 views

Using different DNS hosting providers for good redundancy?

Can I use three different free DNS hosting providers as namesevers for the same domain? I can't pay for DNS hosting and so after some research I've found three different free DNS providers. None of ...
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1answer
142 views

How can I host multiple websites from one port with IIS? [closed]

i install DNS Server on windows server 2008 r2 and install IIS on it. i want to know how can i configure my dns records to show sites to my users .it is an external dns server and i want to install ...
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votes
2answers
59 views

using nameserver for redirection

I have bought a domain for cheap on crazydomains. The sad thing is they do not provide DNS settings without paying additional amount. They just give us a feature to set the nameserver details and some ...
1
vote
2answers
316 views

A record DNS for my domain not working

I have problems with my A DNS record. My parent domain is www.altermedia.ba. Last month we bought new hosting service at Arvixe, and registered our subdomain curiosity.altermedia.ba on their DNS ...
0
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2answers
167 views

BIND DNS Domain change issues for domain entry

On BIND, I have an entry for a domain that is pointing to an old server and IP. This machine doesn't exist any more. When I make the change to point to the new server, the nslookup is still showing ...
2
votes
2answers
90 views

DNS Level Load Balancing

Is it possible in this world to achieve DNS Level Load Balancing? For example, I have a Server A (111.222.333.444) and Server B (555.666.777.888), and there be some third party DNS hosting (like ...
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votes
1answer
26 views

Setting up the domain hosting temporarily and returning back when available [closed]

I was working while DNS hosting of my provider was closed. Provider o3.ua. All IP's are pinging except for provider's DNS ip. By sheer luck my irssi client didn't loose connection, I switched to ...
0
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1answer
32 views

Redirecting a particular email via dns?

Is there any way to setup an MX record or similar so that a particular email address on the domain forwards on to another, rather then doing it at the cpanel or app (outlook, gmail) end?
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2answers
341 views

DNS on OSX Lion

I run a OSX Server (10.6) that runs a DNS server supporting several domains (A records, MX). All went smooth until two days ago, when I stopped receiving emails. I didn't change anything to the ...
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1answer
27 views

Queries regarding DNS Server

I want to configure DNS server in 172.16.81.6. After the complete installation and configuration of DNS server, I want all my users to browse the internet by giving DNS IP 172.16.81.6 in their ...
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1answer
55 views

removing the 'www' in bind9 dns

I want to create a record in my zone file which, by default goes to my webserver when I type in "mydomain.com" as opposed to "www.mydomain.com" <-- working. can someone give me some pointers, I ...
1
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1answer
80 views

DNSSEC - How many DS records are ordinary?

I thought that I need two DS records to deposit at my domain registrar. But one big dns provider just gave me one DS record. Verisign DNSSEC debugger says, everything is correct. But I am confused, ...
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3answers
353 views

Possible DNS hack or Unknown reason causing some users to redirect to a porn website?

I have website, which is a very popular website, but from last two weeks several customers complain to me that my site was hacked and redirected to a porn website, but whenever i check the website i ...