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

learn more… | top users | synonyms

6
votes
0answers
91 views

“The zone can be scavenged after” keeps incrementing

What are you trying to do? I'm trying to enable DNS scavenging on a DNS zone that has about a hundred stale DNS records. What have you tried in order to make it happen? I setup DNS Scavenging per ...
3
votes
0answers
29 views

How to disable AAAA lookups?

... to compensate for broken DNS servers that are outside our control. Our problem: We deploy embedded devices that collect sensor data at various, mostly IPv4-only sites. Some sites have poorly ...
3
votes
0answers
289 views

Branch office & DNS

We've got a branch office with no on-site services at the moment and we'd like to change that. The biggest goal is to setup some file servers but faster log ons and DNS resolutions will be welcome as ...
2
votes
0answers
54 views

DNS Boot Method throuth dnscmd

Through the command line on Windows Server 2008 R2, dnscmd SERVER /Config BootMethod … the source from which the DNS server gets its configuration information (is determined) [→ ...
2
votes
0answers
112 views

Windows Server 2008 DNS Server Down

On a Windows Server 2008 machine while trying to start the DNS Management window DNSMGMT.MSC fails with the error: "The server <Server Name> could not be contacted." “Access is denied. Would ...
2
votes
0answers
334 views

Windows DNS clients can't update PTR records, but can update A records (not ACLs)

I have clients configured via GPO with the following settings enabled: Dynamic Update Primary DNS Suffix Register DNS records with connection-specific DNS suffix Register PTR Records: Register I ...
2
votes
0answers
99 views

Debian server - DNS stopped working after static IP reassignment

Due to changes in the LAN router, I had to modify the static IP of one of our servers. It still succeeds in finding the external world (ping google.com), but only temporarily - when I access one of ...
2
votes
0answers
113 views

How can I use a Linux BIND DNS server for my Active Directory forest?

I am trying to setup an Active Directory forest that uses a Linux BIND server for DNS. The goal is that the Domain Controller (DC) to be able to make entries in the /etc/bind/db.foresta.net file from ...
2
votes
0answers
40 views

Failover web hosting with multiple NS

Are there any drawbacks in having each nameserver entry in a domain name point to different failover server? In this setup, the same DNS server will also serve the content - so if it's down, the ...
2
votes
0answers
151 views

Is it possible to configure a CDN so that it will step out of the way for a subset of regional IPs?

We have a website which targets customers in China, both expat and local Chinese. We have an ICP license which allows us to host in a datacenter inside China. Internet in China is actually as fast as ...
2
votes
0answers
38 views

DNS check showing Failed

Domain Controller OS - Windows Server 2008 R2 Standard. The Name of the Server is QSIT035V2 Can you tell me why i am receiving "QSIT035V2 failed test DNS" Error? Please see the print-screen Attached ...
2
votes
0answers
200 views

Performance impact hijacking A records within RPZ on BIND?

Has anyone who has implemented RPZ within BIND on a large scale (i.e. query load at least ~1000 QPS per server) had an opportunity to measure the performance impact of RPZ within an A-record only ...
2
votes
0answers
147 views

Windows DNS - redirect all external requests for same ip

I'm trying to setup a Windows 2008 DNS Server to redirect all requests for the same IP. For example, if I enter in ANY domain (.com / .net / .org / .us / .uk / ...) I want to redirect the request for ...
2
votes
0answers
783 views

DNS Scavenging not deleting stale DNS record

I have set the following DNS Setting for Scavenging so that stale record must be automatically deleted, still it is not working ( Please see the print-screen ) 24 hrs has been passed still Stale ...
2
votes
0answers
121 views

Adding a 2008 server to a 2003 Domain with DNS devolution?

I'm running into a problem adding a 2008 server to our existing 2003 domain, and as I am not a Windows admin, I'm not getting the problem here. Some reading around on Technet seems to indicate that ...
2
votes
0answers
362 views

Bind 9.3 cache-only mode with authoritative name server

I have bind 9.3 up and running which is designed as a cache-only to get queries from other resources and then cache them to serve clients internally, now I setup my own zone because this is also a web ...
2
votes
0answers
13k views

How to properly configure BIND forward zone for an internal DNS server?

I have: internal DNS server ns1.internal with IP 192.168.0.4. external DNS server with an external TLD mydns.example.com and internal IP 192.168.0.5. It's accessible both from the Internet and from ...
2
votes
0answers
100 views

Is there any way to make the Bucktooth gopher server use an OpenNIC address?

Is there any way to make the Bucktooth gopher server use an OpenNIC address? I don't think there is, but anybody who would like to try is welcome to do so.
2
votes
0answers
403 views

Ubuntu SOCKS proxy setup with two interfaces - how to pass DNS

I setup a SOCKSv5 server (Dante) on Ubuntu with two ethernet interfaces: eth0 is connected to my WAN with a static routable IP eth1 is connected to my LAN with a private IP I have a client ...
1
vote
0answers
25 views

How can I force dnscmd.exe to provide its output in English?

How can I force dnscmd.exe to provide its output in English? I have automation that parses the output of various dnscmd commands, such as dnscmd /info > dnsInfo.txt. I'm using PowerShell to ...
1
vote
0answers
21 views

Server 2012 DNS keeps adding a forwarder on it's own

I'm having a weird problem that must be something simple I'm overlooking. Deployed a new Server 2012 PDC to replace a SBS2011 DC. I had it inherit the DNS before decommissioning the old one. Single ...
1
vote
0answers
34 views

I can load an IIS hosted website via the Internet but not locally

I have just changed the bindings to use SSL for a website hosted in IIS on an AD Domain Controller. The new binding is IP: all unassigned - Hostname: site.domain.com - Port: 443 I can access this ...
1
vote
0answers
18 views

Setting up new KMS Host - what is best practice for _VLMCS DNS entry?

I have been tasked with setting up our PDC as the new KMS Host in our environment. I have a question in relation to the DNS entry for KMS Host/s. There is an existing _VLMCS entry in _tcp for the ...
1
vote
0answers
33 views

Name resolution not working over VPN on public IP

I have a server running Hyper V with several VMs. I have configured two virtual switches: external switch (which is connected to interface connected to the internet) internal switch (which is ...
1
vote
0answers
28 views

can't access sub-subdomain: DNS_PROBE_FINISHED_NXDOMAIN

I can't access to sub-subdomains. For example http://electricien.synerciel.fr is working. But, for sub-subdomains http://electricite-lemonnier.electricien.synerciel.fr/ returns ...
1
vote
0answers
57 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 ...
1
vote
0answers
62 views

Cleanup DHCPD leases as well as DDNS Entries

I have a fairly simple set up on a Debian server I'm running. I currently have isc-dhcp-server installed along with bind9. I set up my zone and my reverse lookup zones and set up dynamic updates, it's ...
1
vote
0answers
25 views

Managing multiple equal zones with DNSSEC

I run an authoritative name server (BIND), and I have a few dozens domain with identical zone files, i.e. they all use /etc/bind/db.default3. I’m considering deploying DNSSEC on my server, but so far ...
1
vote
0answers
57 views

DNS does not route properly to WAN NIC when dnscrypt is used

I have a Windows 2003 server with AD integrated DNS. I'm trying to configure the server to make outgoing (forwarded) DNS requests through dnscrypt proxy instead of through the normal TCP/UDP 53. I ...
1
vote
0answers
35 views

How to send dynamic update to DNS Server using Avahi?

I am using beaglebone running avahi-daemon and I have configure it to respond mdns query with local name “myboard.local” when accessed from PC on same network. It works fine. But, how can I ...
1
vote
0answers
75 views

Windows 2012 Master & Ubuntu Bind 9 Slave & SOA

I'm kinda like the maid... I don't do Windows. But thanks to new things we're implementing, I'm now attempting replicating a single zone from our AD cluster. We had this working just fine but ...
1
vote
0answers
51 views

Some emails don't arrive

Yesterday, somehow a DNS Zone File got removed from Cloudflare. So after re-editing the file everything seemed okay. Now there's the problem that some emails don't arrive in the inbox. Strange thing ...
1
vote
0answers
50 views

DNS Registration Using Non Windows DHCP

We are searching for a solution for our VPN users. We use a Fortinet SSLVPN. The Fortinet appliance issues DHCP to our clients. It is configured to have the clients use our internal Windows DNS ...
1
vote
0answers
34 views

Multiple XenDesktop 4 environments - dns confusion

I have 2 HP proliant blade servers in an hp c3000 enclosure, EACH has xenserver 6.2 sp1 installed, a number of XP machines, one win2k3-r2 as a domain controller and another win2k3 as a xendesktop 4 ...
1
vote
0answers
151 views

Dreamhost DNS to AWS Route 53

I'm looking to setup DNS failover for config.webconverger.com and I think Route53 is the best option to get it going. However I'm confused how to export the DNS zone from Dreamhost to Route 53, ...
1
vote
0answers
31 views

Windows Dynamic DNS Update Sequence

I'm trying to get the Windows DDNS update sequence straight in my head. Here's what I think happens: Windows Client == DHCP Discover Windows DHCP Server == DHCP Offer Windows ...
1
vote
0answers
43 views

DNS Timestamps don't appear to be updating since enabling Secure Only Updates

We have a Windows Server 2008 R2 Active Directory Domain. There are 4 domain controllers each running DNS with a Active Directory-Integrated zone. There are 2 member servers running DHCP with Name ...
1
vote
0answers
158 views

Redirecting a domain in cPnael Results in /cgi-sys/defaultwebpage.cgi

I'm not sure if this is the right place to ask it or if it should be over on StackExchange, feel free to redirect me! I had a domain www.sample.co.uk (primary) & .com (forward) My client has ...
1
vote
0answers
353 views

DNS A records disappear, but PTR records still remain

We've been having issues with DNS records dropping. Usually it is from DHCP reservations, like printers. Yesterday it was two of our main servers, also DHCP-reserved. Right now I'm looking at a ...
1
vote
0answers
44 views

How to make BIND return old cached enties if all forwarders are failed?

I have a local forwarding BIND server installed at localhost. In its configuration there is a couple of forwarders: options { ... forwarders { 1.2.3.4; 5.6.7.8; }; ... }; Servers which are pointed ...
1
vote
0answers
349 views

Azure Point-to-Site VPN but no DNS

I've got: an Azure Virtual Network, an Windows Server 2012 Domain Controller on that network, a Point-to-Site VPN set up for that network all the way so that I can connect to it from my local ...
1
vote
0answers
37 views

Reply a default ip from dns server when network is disconnected

I'm using Bind9(9.9.3) as domain name server, and using "redirect" type to return an ip when resolving a non-existence domain name. But it fails when the internet connection is down. Is there a way ...
1
vote
0answers
674 views

EC2 DNS not resolving hostname to internal IP

I already posted this on the AWS forums without success (https://forums.aws.amazon.com/message.jspa?messageID=502441). I'm wondering if I'll be more lucky here. We have an internal DNS setup that ...
1
vote
0answers
107 views

Trouble with name resolution when using programs like `gem` in shell

I have trouble with name resolution when using programs like gem in my shell within my office environment. Whenever a program needs to connect to a remote host, it fails to resolve the domain name, ...
1
vote
0answers
183 views

Replication issue caused by bad DNS entry in _msdcs

We have 3 DCs in our domain. One of the DCs died (wouldn't boot) two weeks ago. We performed metadata cleanup to remove the old DC from AD. Then we built a new DC with a new name (we used the same IP ...
1
vote
0answers
91 views

Internal-only DNS Master and Slave Servers on Linux (No Internet) - Recursion?

Using two physical Linux servers on different sub-nets, I'd like to have master and slave DNS servers. These DNS servers will only resolve internal names and addresses. Neither the DNS servers nor ...
1
vote
0answers
53 views

Multiple DNS mappings for a host via DDNS

I have a network in which DNS is automatically updated with a record for hosts when they get an address via DHCP (isc-dhcp-server & Bind configured with DDNS updates). The DHCP server is ...
1
vote
0answers
379 views

Setting up DNS server to accept dynamic updates without FQDN

I have set up a Win2k8 R2 server with the DNS role enabled. I had to add the server to a fictional workgroup/domain called dns.com so as to be able to use it as a primary DNS server to my network of ...
1
vote
0answers
463 views

DNS Zone Transfer to secondary - not authoritative

I Current have a small windows 2008 AD Domain, as well as 2 completely different forests and subnets. Each with its own unique domain running windows 2003 domains. All subnets are properly routed via ...
1
vote
0answers
83 views

Strange DNS behaviour over VPN

We have a small branch with few computers with few computers connected via the Internet to our central building. We don't use site-to-site, but dial-in to the Cisco router (we use ShrewSoft as a ...