DNS hosting service is the service than runs DNS servers.

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1answer
50 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 ...
0
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0answers
16 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 ...
0
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2answers
37 views

Multiple apps on one server with subdomains [closed]

I'd like my VPS to host multiple applications. For instance mydomain.com (Python Django App) git.mydomain.com (Gitlab) blog.mydomain.com (Wordpress) How can it be achieved to run all these on one ...
0
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2answers
35 views

How does one test DNS performance on their webhost vs. a 3rd party dedicated service?

I have been hosting my dns with rackspace for years, formerly slicehost but I have been looking into a 3rd part host, as a result of running various speed tests, such as tools.pingdom.com to test the ...
3
votes
5answers
957 views

Can I have my DNS server and my web server on the same IP? [closed]

I just bought a raspberry pi and made it a web server. I have a network with 1 IP. I created a DMZ and I am able to access my raspberry pi web server from the internet. I bought a domain that I intend ...
0
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2answers
1k views

Missing nameservers reported by parent

The following error came while i checked my dns configurations.But i havent mentioned this name servers in the doamin nameserver FAIL: The following nameservers are listed at your nameservers as ...
0
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3answers
610 views

How do I know when my Route53 record sets become effective?

So I have added my domain to Route53 and updated the name servers of the domains to that of Route53. I have added the record sets (A, MX and TXT) that I need. How do I know when these DNS ...
0
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0answers
74 views

DNS - Custom Nameservers Errors

I am planning on setting up some DNS services and I would like some advice as I have errors from the site: www.intodns.com. First of all let me briefly outline my scenario. I have a VPS server with ...
1
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2answers
31 views

Advance DNS - Redirecting Emails to new webhost

I am not to sure if this question belongs here but I will surely find out soon enough. I have two web hosts (Not sure why it has been setup this way but it has). I do not want to use the original web ...
2
votes
1answer
141 views

IIS: DNS Server Spoofed Request Amplification DDoS

We are running an IIS server with DNS and a site owner asked us to run a specific security scan. Our site passed but we were warned with this and I'd like to clean it up and I'm a little unfamiliar ...
1
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1answer
88 views

Google Cloud DNS and DNSSEC?

Since Google Cloud DNS does not currently support the record types for DNSSEC, is there any way to begin implementation of DNSSEC using TXT records? If I were using Google Cloud DNS, which I am, and ...
1
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2answers
49 views

Implementing DNS Redundancy - Web Hosting

After our domain registrar/name server host went down we have found that DNS is a major single point of failure as its also taken down all of our email (Office365), web, hosted services etc.. I want ...
1
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1answer
35 views

Windows Server 2003 and IIS6.0: Switching website to a DR server

I am a .NET developer who now has to handle both development and deployment of an ASP.NET/ASMX/WebAPI application at my new job, though I have no prior experience with IIS or Windows Server Networking ...
1
vote
1answer
227 views

How could dynamic DNS work if DNS updates take hours to propagate?

Simple Failover markets itself as: continuously monitors your servers to find out which are up and which are down, and then it dynamically updates your DNS records accordingly so that your ...
0
votes
2answers
149 views

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?
1
vote
1answer
94 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 ...
0
votes
1answer
99 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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votes
1answer
35 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 ...
-4
votes
1answer
110 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 ...
-1
votes
1answer
65 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 ...
5
votes
3answers
105 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 ...
2
votes
1answer
311 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 ...
0
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1answer
83 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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votes
1answer
37 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 ...
0
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1answer
80 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
votes
1answer
83 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 ...
-3
votes
1answer
46 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
123 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 ...
1
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0answers
97 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 ...
0
votes
1answer
89 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 ...
0
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0answers
30 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 ...
1
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2answers
123 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
votes
1answer
2k 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
votes
3answers
212 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. ...
0
votes
4answers
302 views

Multiple free dns services redundant as name servers of a website?

Are there problems with setting up multiple DNS hosting services as name servers for a website? Budget is an issue so I was thinking about setting up two free DNS hosting services as name servers for ...
1
vote
2answers
2k 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: ...
0
votes
1answer
118 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
votes
1answer
113 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 ...
1
vote
1answer
353 views

What is the easist way to configure Microsoft DNS to not answer ISC.org ANY requests? [closed]

My server (Microsoft Server 2008 R2 x64) receives about an average of 20-30 ICS.org any requests (using forged source address) per second. Recursion is disabled and the answer only contains a list of ...
2
votes
1answer
233 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 ...
0
votes
2answers
122 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 ...
-5
votes
1answer
67 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 ...
0
votes
2answers
278 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 ...
1
vote
3answers
383 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 ...
-1
votes
1answer
37 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
vote
1answer
1k 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 ...
0
votes
2answers
78 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. ...
0
votes
1answer
730 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 ...
5
votes
2answers
138 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 ...
0
votes
1answer
124 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 ...