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• "DNS not responding" error with D-Link router and PPTP internet connection

  - by Born2win

  I have a D-Link DIR-615 router since around six months. My internet connection is VPN (PPTP) based, i.e. I have been given a username and password from my ISP and my IP address is dynamic. Since a few days I am experiencing a serious problem. My router connects normally (I can see the yellow light), but my computer is giving me a "DNS not responding" error. I have tried everything (reset, reboot etc.) but no success.

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• Bind dns server in Solaris 10 and win xp clients

  - by stevecomptech

  Hi, Added this in zone db file, i am running solaris 10 _ldap._tcp.mydomain.com. SRV 0 0 389 dc.mydomain.com. _kerberos._tcp.mydomain.com. SRV 0 0 88 dc.mydomain.com. _ldap._tcp.dc._msdcs.mydomain.com. SRV 0 0 389 dc.mydomain.com. _kerberos._tcp.dc._msdcs.mydomain.com. SRV 0 0 88 host.mydomain.com. Now i get this error when i try to join win xp to the domain The query was for the SRV record for _ldap._tcp.dc._msdcs.mydomain.com The following domain controllers were identified by the query: host.mydomain.com Common causes of this error include: Host (A) records that map the name of the domain controller to its IP addresses are missing or contain incorrect addresses. Domain controllers registered in DNS are not connected to the network or are not running. What do i need to change in order my win xp join the domain

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• Password recovery of a Windows 2003 DNS server.

  - by KronoS

  I'm not going to lie, I feel like an idiot and would probably downvote this myself if I could, but here's my problem. I've just setup a Windows 2003 server as the DNS/AD for a replace of an old server. However, it appears that I don't know the password for the Administrator account. I entered the password and I setup the role, but apparently what I remember/wrote down and what I typed in are different. How do I recover a password? I can't log-on locally as it will only allow to log-on to the newly created domain.

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• No DNS resolving with VPN (RRAS)

  - by Sven

  I have a RRAS server setup on a Windows 2003 machine with two NIC's. The VPN works like a charm, I can ping all the other computers on the network. But it fails when I try to access resources with hostnames. I searches for a solution but the ones I found are about RRAS setup with a remote DHCP server. But in my case it's the RRAS server that hands out the ip addresses (option for redirection for WINS, DNS is ON and set to the LAN NIC). I also heard something about FQDN.. but I don't really understand what that is.

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• DNS not responding

  - by Born2win

  I have a Dlink DIR-615 router and I have it around six mounths. My internet connection is VPN (PPTP) based i.e. I have been give a username and password from my isp and my ip address is dynamic. But from few days I am experiencing a serious problem. My router connects normally (i can see yellow light) but my computer is giving "DNS not responding" error. I have tried everything (reset,reboot etc) but no sucess. Any help would be appreciated :)

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• Error from DNS validation service: RFC821 4.3

  - by ferdi

  So I've managed to setup bind9 and a mail server, but it seems there is something wrong. I don't quite under stand this error: The configuration of your mail servers and your DNS are not ok! The report of the test is: mail.domain.com. - mail.domain.com - 208.xxx.xxx.xxx - lisa.domain.com Spam recognition software and RFC821 4.3 (also RFC2821 4.3.1) state that the hostname given in the SMTP greeting MUST have an A record pointing back to the same server. Can anyone explain this to me in a bit more detail, and maybe point me in a direction to solve this?

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• DNS subdomain problem - Hover.com

  - by Ryan Sullivan

  I use hover.com to manage my domain names. I have having a huge problem with setting a sub-domain to a specific IP address: I want the sub-domain on a particular domain name that I have. I set an A type record for that sub-domain and pointed it towards the IP address; it is not working at all. The thing that is confusing me is that when I set the IP address to a sub-domain on a different domain name it works just fine. Also, I have since deleted the DNS record from the domain that it happened to work on, and when I type that address into a browser it still resolves to the IP I had it set to. I am not sure what is going on at all. If this seems confusing I am sorry, but I am very confused about the whole thing myself. If any clarification is needed, just ask and I will try to clear things up.

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• dns hierarchy not working !! Please help

  - by nikhilelite

  (DNS1 ,WWW1, Gateway1) (sub-internal network) (DNS0,WWW0,Gateway0) (internal network) DNS1: 192.168.250.3/24 WWW1: 192.168.250.4/24 Gateway1: 192.168.250.1 /24 (internal) :: 192.168.0.150 to 192.168.0.175 (external) DNS0:192.168.0.197/24 WWW0:192.168.0.197/24 Gateway0: 192.168.0.1 (internal) :: 69.94.x.x (external, dynamic ,isp control) Expected behavior: When using dig from internal (192.168.250.0/24) hosts, and query about domain from 192.168.0.197/16 nameserver's hosts (for which its authoritative) , it should return the ip address. Whats happening: After dig, answer section empty, the query is trying to access a.root server instead of 192.168.0.197 ,even though i have defined 192.168.0.197 as dns in gateway1's resolv.conf Why? I need this working asap, can anyone here help ?

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• DNS Zone file and virtual host question

  - by Jake

  Hi all, I'm trying to set up a virtual host for redmine.SITENAME.com. I've edited the httpd.conf file and now I'm trying to edit my DNS settings. However, I'm not sure exactly what to do. Here's an snippet of what's already in the named.conf file (the file was made by someone else who is unreachable): zone "SITENAME.com" { type master; file "SITENAME.com"; allow-transfer { ip.address.here.00; common-allow-transfer; }; }; I figure if I want to get redmine.SITENAME.com working, I need to copy that entry and just replace SITENAME.com with redmine.SITENAME.com but will that work? I was under the impression I needed a .db file but I don't see any reference to one in the current named.conf file. Any advice would be great and if you need more info to answer the question, don't hesitate to ask.

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• IIS site not resolved by DNS server

  - by Alexio

  I've a problem with my network. My Config: SVR01 (ws2008r2): DNS server and Domain Server SVR02 (ws2008r2): IIS (v7.5) Domain Clients In SVR02 there are many sites. When I try to connect on one site (such as: demo1.myhomesite.intra) the browser say "Internet Explor can not display the webpage". Well... In this case I found a workaround: unplug and plug the lan cable (or disable and enable wifi) in my client and the site work correctly. But this workaround is not a solution. Please, can you help me??

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• DNS lookup working but nothing pinging

  - by blsub6

  I have three forward lookup zones in my DNS server. When I try pinging a server that's part of lookup zone A from a computer that's part of that same zone, I get a response. If I try pinging a server that's not in the same zone as the computer I'm pinging from, I get nothing. When I try an nslookup of the servers that are not part of the same lookup zone, the names resolve correctly. If I append the domain onto the name, I can ping it just fine. Is there a way I can fix this? or do I need to keep appending the domain onto the name if the computer I'm trying to ping is not of the same domain as me?

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• Caching DNS server (bind9.2) CPU usage is so so so high

  - by Gk.

  I have a caching-only dns server which get ~3k queries per second. Here is specs: Xeon dual-core 2,8GHz 4GB of RAM Centos 5x (kernel 2.6.18-164.15.1.el5PAE) bind 9.4.2 rndc status: recursive clients: 666/4900/5000 About 300 new queries (not in cache) per second. Bind always uses 100% on one core on single-thread config. After I recompiled it to multi-thread, it uses nearly 200% on two core :( No iowait, only sys and user. I searched around but didn't see any info about how bind use CPU. Why does it become bottleneck? One more thing, here is RAM usage: cat /proc/meminfo MemTotal: 4147876 kB MemFree: 1863972 kB Buffers: 143632 kB Cached: 372792 kB SwapCached: 0 kB Active: 1916804 kB Inactive: 276056 kB I've set max-cache-size to 0 to make sure bind can use as much RAM as it want, but it always stop at ~2GB. Since every second we got not cached queries so theoretically RAM must be exhausted but it wasn't. Do you have any idea? TIA, -Gk

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• Bind is updating DNS with wrong resolver info after rndc flush expires

  - by RussH

  I'm running Bind 9 on a small office server (Centos 5) with a local mailserver. There's a domain we need to email - it shows wrong DNS info for the MX servers using the local bind, so an RNDC flush updates this correctly - but then, after some time - it reverts back to the wrong resolver. I would have thought that 'rndc flush' just clears the local cache and pulls all the authoritative info down - so why is it being overwritten (by what seems like the next update)? where do I need to look? Presumably there's some named logging(?) to determine where it's getting the [new or cached] updates from?

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• Windows Server 2003/Exchange 2007: How to setup public domain mail.foo.com to route to internal exch

  - by ryan.keeter

  Good day, I have an internal Exchange Server 2007 and a Windows Server 2003 domain. At this point in time I have an external DNS setup (DynDNS 29.95 service) to resolve foo.com to my singular public IP address then it gets routed to external facing site. I would like to know how to setup POP on mail.foo.com and SMTP on smtp.foo.com, and more importantly, what needs to be setup in Exchange server to allow for this to happen. My end state is to send email through smtp.foo.com and receive mail on mail.foo.com. As of now, when I create a user within Exchange the default email address is [email protected], and I would like it to be [email protected]. Thank you and I appreciate the help as I am a .NET developer trying to do sys admin work, and it is MUCH harder than I have ever imagined, my hat is off to all sys admins and IT pros.

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• Bind dns server in Solaris 10 and win xp clients

  - by stevecomptech

  Hi, Added this in zone db file, I am running solaris 10 _ldap._tcp.mydomain.com. SRV 0 0 389 dc.mydomain.com. _kerberos._tcp.mydomain.com. SRV 0 0 88 dc.mydomain.com. _ldap._tcp.dc._msdcs.mydomain.com. SRV 0 0 389 dc.mydomain.com. _kerberos._tcp.dc._msdcs.mydomain.com. SRV 0 0 88 host.mydomain.com. Now I get this error when I try to join win xp to the domain The query was for the SRV record for _ldap._tcp.dc._msdcs.mydomain.com The following domain controllers were identified by the query: host.mydomain.com Common causes of this error include: Host (A) records that map the name of the domain controller to its IP addresses are missing or contain incorrect addresses. Domain controllers registered in DNS are not connected to the network or are not running. What do I need to change in order my win xp join the domain

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• Bind dns server in Solaris 10 and win xp clients

  - by stevecomptech

  Hi, Added this in zone db file, i am running solaris 10 _ldap._tcp.mydomain.com. SRV 0 0 389 dc.mydomain.com. _kerberos._tcp.mydomain.com. SRV 0 0 88 dc.mydomain.com. _ldap._tcp.dc._msdcs.mydomain.com. SRV 0 0 389 dc.mydomain.com. _kerberos._tcp.dc._msdcs.mydomain.com. SRV 0 0 88 host.mydomain.com. Now i get this error when i try to join win xp to the domain The query was for the SRV record for _ldap._tcp.dc._msdcs.mydomain.com The following domain controllers were identified by the query: host.mydomain.com Common causes of this error include: Host (A) records that map the name of the domain controller to its IP addresses are missing or contain incorrect addresses. Domain controllers registered in DNS are not connected to the network or are not running. What do i need to change in order my win xp join the domain

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• Access device with local ip over internet

  - by Joe Perrin

  I apologize up front if this is the wrong place to post this question. It seemed like the best fit. I have a device which is connected to my local network which has an IP of 192.168.1.10 from my router. Additionally I use a Windows 7 machine that runs some software called DirectUpdate which allows me to resolve the local IP of the Windows 7 machine (192.168.1.5) to be accessible to the internet via my domain (example.com) - Basic dynamic DNS updating. I'd like to access the device from example.com. I am unsure how to do this as I don't have any way to install DirectUpdate (or any software) on the device to make the device available to the internet. Any insight here would be appreciated. Thank you.

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• Setting up a DNS server for a 3rd level domain

  - by user45339

  If I would like a client to use HIS DNS for a 3rd level domain name (ie test.domain.com), how would I be able to do that? So I have domain servers ns1.domain.com + ns2.domain.com for domain.com but now I want ns1.rabbit.com and ns2.rabbit.com for test.domain.com. How can this be done? I know it's possible because I saw it at some providers. Then, as a second part (and related) part; how to set up a WHOIS for that test.domain.com? So that, if you query my server for the information about test.domain.com, it'll be different than the info on domain.com? Thanks

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• How to intercept and manipulate DNS queries?

  - by emtunc

  I'm not sure if I worded the question correctly to be honest but basically what I want to do is: When a user types in something like Expenses in the URL bar of a browser, I want the browser to be directed to a specific web address (very very similar to how OpenDNS shortcuts work) The IP address of the web address will not change amongst the different 'shortcuts'... i.e: mycompany.com = 10.0.0.0 mycompany.com/expenses = 10.0.0.0 mycompany.com/tracker = 10.0.0.0 When a user types expenses in the browser address bar and presses enter, I want the browser to automatically direct to the specified address as above. Would this be tricky to implement? I hope I have put my question forward appropriately :-) Additional notes: We are on a Windows envionment I believe the exchange server is running as the DNS server in the office

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• Adding Internal DNS server in Host file

  - by Param

  I have added Global DNS server ip address to one of my Desktop ( please see the Network configuration screenshot ). and after that i have added my both domain controller ip address in host file, and it is working fine. ( please see the below screen-shot for your reference ) Can you please guide, what problem can i face if i kept my configuration in this way. but i am wondering, can this setting can create a problem? because the computer will be able to reach corp.abc.com easily, with the help of host file.

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• Lan DNS not working after reinstall of Ubuntu 13.10

  - by DrorCohen

  I upgrade my Ubuntu desktop to 13.10. When I say upgrade I mean installed on a new partition from scratch (old partition is available if To the problem: I'm trying to ping a host (Drobo-FS server) by it's host name. I get "Unknown Host". However pinging from another computer on the same lan - works fine (a laptop with 12.04 lts). for that matter every ping from the 13.10 to the local lan by hostname fails, ping with ip works. I don't have a local DNS server but somehow all the other computers in the network find each other by host name - only this new one fails... help appreciated...

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• Running a home mail server using dynamic dns

  - by user4009

  Hi, Is it possible to run an email server on my home box using dynamic dns? The scenario is, I want to auto cc all incoming and outgoing emails from my one account to another, from some server side config instead of configuring email clients for rules. I have tried Google Apps Mail but it doesn't allow auto cc of outgoing emails. After having read tons of blogs, forum messages etc (hope I have been reading the correct info :) ) the only option to achieve what I am needing is to setup my own mail server, but the cost of getting a static IP doesn't fit my budget. Please can someone point me in the correct direction. Platform doesn't matter, I can setup a Windows or Linux server. Many Thanks

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• DNS issues on my iPhone

  - by mattalexx

  I'm trying to call up "https://m.google.com" on my iPhone on my home WiFi. It's saying Safari "cannot verify server identity" of m.google.com, then when I press Details, it refers to https://m.google.com as "mattserver". "mattserver" is the name of my development server, a Linux box on my home network. This stinks of DNS issues to me. Accessing the unsecure version of that URL ("http://m.google.com") gives me a blank page. What could be going on here? Is there a way to look at the logs of my router somehow?

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• DNS for route between WAN & LAN

  - by David Maitland

  I have a few machines set up on my internal 192.168.1.* network and i have one public ip, my router is links all ports to on internal linux machine on my network 192.168.1.3. I want to know how to configure the DNS server on my linux box to forward to internal LAN ip's depending on the host name. EG. computer4.83.22.56.12 would find my box then forward to 192.168.1.4 on the local network. This is so i can run multiple web server under one ip. btw, i use Ubuntu. Thanks Dave

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• Network Share unavailable after DNS Change

  - by Justin Largey

  Hi, I have a server, called Server1 with various network shares on it. Our users map to this share using \\Server1\FileShareName1. During a DR Test, we rerouted all network traffic from Server1 to Server21. All folder shares are set up on Server21. We were hoping the the network shares would still be accessible using \\Server1\FileNameShare1, unfortunately, they are not. Does anyone know why this is happening? This is a Win2003 Environment, and DNS was flushed. I confirmed that IP addresses are matching between the two servers. Any help or insight is much appreciated.

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