"A DNS zone is a portion of a domain name space using the Domain Name System (DNS) for which administrative responsibility has been delegated." (From Wikipedia, the free encyclopedia)

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15 views

DNS Issue on Windows sever 2012

First of all, I am not even sure if this is pertaining to DNS please bear with me and thanks for your patience. We are in midst of doing hardware upgrade for SAP ERP system for a defense client so ...
7
votes
1answer
293 views

Is there a standard time duration before DNS caches are cleared?

Is there a standard time duration before DNS caches are cleared, so that if a distracted operator or stuck key turns a TTL of 86400 into 864000000 you don't end up with an authoritative resource ...
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1answer
29 views

Secondary DNS different SOA record

we are managing our DNS data at Azure DNS. They provide 4 NS for redundancy, but just two days ago the whole Azure DNS service went down for a few hours, and all of our services with it as well. Now ...
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1answer
34 views

DNS - public address for local zone

I am facing an issue I don't quite know how to solve it. So I have two internal dns servers, let's say dns1 and dns2. They serve a zone let's say z1.mydomain.com - and internally everything is ...
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1answer
54 views

Domain not pointing to server, redirecting from .in to .com

I ran into a weird situation. I have these two domains example.com and example.in. Earlier I had example.in forwarded to example.com. Now I want example.in to point to my VPS server. I changed the ...
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votes
1answer
24 views

What's returned in a DNS query?

In a DNS query (any query), is just the requested record returned or is the entire zone file returned? ie, if I ping google.com in the command line, will just the A-record be returned or will the ...
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0answers
17 views

Restricting Source IP of DDNS Updates

Goal: For a non-Microsoft DHCP server to send dynamic DNS updates on behalf of non-Microsoft domain clients. Question: With a particular zone in a Microsoft DNS server configured for "Nonsecure and ...
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0answers
20 views

Cannot Reach Primary Domain On Lan

So i created a website for a client and now they cannot get to their www.domain.com when they are connected to their LAN. The site is hosted on our server. They have an exchange server and I added an ...
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votes
1answer
65 views

How to create RDNS (Reverse DNS) [closed]

How to create a RDNS (Reverse DNS) in centos or Ubuntu [PTR record] I searched a lot in Internet and didn't find any solutions. I got a idea it can be done by BIND or BIND9. In some forum i seen ...
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1answer
32 views

With DNS, what is the difference between Delegation, Forwarding, Conditional Forwarding, and Stub zones? [closed]

I am surprised at how many different ways I have read answers to this question and I still don't know the fine differences of the answer. For each of these similar DNS concepts: Delegation ...
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0answers
23 views

dig not giving AD-bit when dnssec is configured

I am working on this Deterlab exercise and I run into some problems when adding DNSSEC to Bind. The server runs BIND 9.7.0-P1. The configurations I have done is the following: Signed zone for ...
2
votes
1answer
18 views

Domain Delegation isn't working

I made the mistake of registering a domain with Arvixe. The domain name is artofshell.com, and I'm trying to delegate this domain over to Microsoft Azure's DNS service. I created a DNS Zone in ...
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1answer
17 views

Invalid IP for googleads.g.doubleclick.net

From few months, we are experiencing issue with lots many Google web sites. On diagnose we realize that our proxy server getting wrong IP addresses for those domain names. I got chance to collect some ...
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votes
1answer
73 views

Dns errors in the domain [closed]

The Domain name is: www.intralifeindia.com I updated all records. when i checked up DNS details using http://dnscheck.pingdom.com i found an error as : Too few IPv4 name servers (1). Only one IPv4 ...
2
votes
1answer
28 views

Setting different NS records as authoritative on authoritative DNS

I have DNS servers for a domain set to one set of authoritative DNS servers on the registrar. However, those DNS servers zone file for the domain have a different set of NS records for it. Some DNS ...
0
votes
2answers
39 views

Can i store A record of my second level domain directly in TLD zone file (com. for example)?

Can be A record for third-level domain stored directly in TLD zone file, not delegating zone of subdomain with NS record? What about CNAME record for 2nd domain?
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votes
3answers
1k views

Do I need a separate SSL certificate for a DNS redirect?

I am implementing a multi-tenant application where my application hosts and serves technical documentation for a tenant's product. Now, the approach that I was considering was - I host the ...
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votes
1answer
61 views

Sub domain different host

I have a Windows Server 2012 R2 with AD, DNS, DHCP, IIS. I am hosting a domain example.com and have one public IP from my ISP. Port 80 is forwarded to IIS server. I have a NAS server and created a ...
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votes
1answer
58 views

How to do “dynamic apex” right in DNS/BIND?

I want to retain dynamic control of the apex, but not break standard handling of other RRs (NS, MX). Context A domain name (exampleA.net) is controlled by the domain owner (via the domain ...
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1answer
45 views

Zone transfer file is denied

I am implementing this in my home network so If I swap the role from master to slave [ this machine should work as primary server for ns.insec and slave server for not.insec in machine 1 and in ...
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votes
1answer
129 views

Setting up DNS server to resolve request to domain “abc.com” to its own host

I have a server with the public ip-address (lets say) 198.20.30.40 I am trying to setup a DNS server on this host so that I can resolve all request to "stackoverflow.com" being made to get resolved ...
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votes
2answers
59 views

How to set BIND9 with the ability to resolve internal domain addresses (CentOS) [closed]

I have some problem. I have a domain controller on windows server 2003 with dns server. IP that dns is: 192.168.110.5. For example, i have some computers with names: guard-01.piduna.pp.ua. ...
0
votes
1answer
26 views

DNS lookup works locally but won't go online

I had registered amraei.com 2 years ago. Recently hired a VPS and setup a DNS server using BIND to host it on my own server. I installed Webmin and setup BIND 9 on CentOS 7. As the setup finished, ...
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votes
2answers
58 views

Why has DNS Stopped Working for new CNAME and TXT records

None of the new CNAME and TXT records I add (through VestaCP) are working. My DNS server has been working fine. Got about 30 domains on it, used to be able to create these records and a few hours ...
0
votes
3answers
70 views

Why are my messages being rejected due to SPF record issues? [duplicate]

I'm looking for a little guidance as to how to setup a server I am working on, so that emails get through to people without being sent back by an SPF filter. I send out email and this is the response ...
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votes
2answers
78 views

When should a port 9040 used for? [closed]

A firewall rule for my web app ( python) is created with allowed protocol tcp:9040. I added my domain and created DNS zones, however I still don't get to see my app when I type my domain in the ...
0
votes
2answers
56 views

why bind9 gives connection refused for permission denied error when it is 777

These questions didn't help: http://askubuntu.com/questions/172030/how-to-allow-bind-in-app-armor Cannot start BIND9 I wanted to start bind9 and saw that it gives permission denied in syslog as ...
0
votes
1answer
71 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 ...
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0answers
31 views

(Apache2 and Bind9) DNS not Resolving IP on Some Sites (Intranet)

I am going to start off by saying I am new to DNS and Ubuntu Headless Servers. However I am not new to computers and programming in general. I got a wild hair one day and built an Ubuntu Server ...
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0answers
28 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 ...
1
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1answer
53 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 ...
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1answer
47 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. ...
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1answer
32 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 ...
0
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1answer
26 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 : ...
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2answers
88 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 ...
0
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1answer
39 views

How do I create rDNS (Reverse DNS)

How to create rDNS (Reverse DNS), I am using Centos 7.0 and I need to create rDNS for 50 IP's and domain. Can you please guide me how can I create. Example. Example.com - xxx.xxx.xxx.xx0 ...
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3answers
158 views

How can I fix these SOA DNS problems?

I've set up a new domain on my new server and when testing the DNS I receive 2 warnings that I'm concerned about: 1) Delivery over IPv4 to server@domain.co.uk could not be done. 2) Failed to deliver ...
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1answer
22 views

How can I validate a DNS zone file as per RFC 1035?

A bit of background - I am building a tool which apart from doing a number of things also allows the user to manage Azure DNS. In my application there's a feature where a user could export the DNS ...
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0answers
53 views

Registrar nameservers vs. NS records for bare domain?

OK, I'm a bit new to DNS, but I'm having some trouble finding the answer to this. I have a domain registered at google domains. As with other registrars, you have access to their free DNS, and ...
32
votes
3answers
2k views

Can someone using the same DNS server as me hijack my domains?

When I register a new domain, I send it to my hosting provider by assigning it its domain name servers in the registar's settings. For example, with Digital Ocean, I input the following: ...
2
votes
1answer
33 views

bind9 got “bad zone transfer request”

My Debian-server acts as a DNS server for the domain I own. Since my ISP also allocated me a sub-domain, my DNS server also has a few entries for that host. In other words, I have ...
3
votes
2answers
172 views

Why do I need to escape ; with \ in a DNS DKIM record?

I'm setting up Email Authentication on our domain to allow authentication with our Email Service Provider. My understanding is that the DNS record needs to have any ; escaped, e.g., \; I just want ...
0
votes
2answers
96 views

Google Cloud Server Email Forwarding

I have a google cloud server with Cloud DNS working for my domain and IIS hosted website. I need email for my domain to be forwarded, i.e. for john@myCloudServerDomain.com yo go to my existing ...
-1
votes
1answer
44 views

Google Cloud VM IIS hosted site DNS setup

I've been running through the google cloud instructional to setup DNS on a custom website but I can't get it to work. Google cloud doco suggests posting on this forum so I'll outline what I've done ...
0
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0answers
23 views

Fast switching CNAME

Is it possible to make CNAME's switch it's data every minute (or possibly even shorter) ? I'm currently trying to make something that changes my CNAME every minute but i have no idea if this is even ...
0
votes
1answer
45 views

sub-subdomain records for public hosted zone in AWS not working

I have added public hosted zone foo.mydomian.io in Route 53 and got my DNS provider to add name-servers for the sub-domain, however any records I create for mapping instances be it Type - A or CNAME ...
4
votes
1answer
118 views

How to setup redundant ejabberd servers?

I currently have an ejabberd server running at domain A. It has a bunch of users with accounts like xyz@A. I want to setup alternative servers so that if A is down, clients can transparently use ...
3
votes
1answer
170 views

No MX records?! Zone file for Shopify vs. hosted email

One of my hosting clients has a website: www.vincedevito.ca. Some time ago, he decided to use Shopify as his primary website, but I still host his email. Therefore, I set up a DNS Zone with GoDaddy. ...
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vote
2answers
38 views

DNS Server- subdomains on internal LAN and www on public IP

I have a Windows 2008R2 based domain controller also working as internal DNS server for my domain say "domain1.com". I also have a working website www.domain2.com hosted elsewhere and accessible ...
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vote
2answers
143 views

Windows Server 2012 using wrong IP address for replication

Is there a way to manually set what IP address/DNS record AD will use when replicating? I have a "network within a network" (NWaN) setup which spans across two remote locations-- so there's one NWaN ...