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Questions tagged [dns]

Domain Name System (DNS) is a service that provides the resolution of host names to IP addresses. Use the [tag:dns] tag when you are troubleshooting DNS issues, configuring a DNS resolver or server, or are trying to understand DNS's involvement in your situation.

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BIND cannot map one name

I setup a BIND sever. Let domain be example.com, httpd running. There is a separate zone for aliases to another domain, different.com I setup zone file for different.com to be: am IN CNAME ...
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How to restrict restrict remote administration software to one domain name?

I currently have a server hosting a number of websites on a debian server. I understand that all my domain names share the same IP so any of them will grant me access through SSH, but I was wondering ...
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DNS/BIND configuration to resolve *.mail.*.outlook.com subdomains

I'm running BIND 9.3.3rc2 on a CentOS 5 system acting as an SMTP server. Until last week, I haven't had any problems with DNS or name resolution. The only problems I have resolving are with subdomains ...
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657 views

Look up ip addresses of multiple hosts with same name

Is there any way to look up the ip addresses of all hosts with the same host name? The reason I want to do this is that at work I prefer to use an ethernet connection with my laptop whenever possible ...
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Reverse dns using dns server of domain

I need to check a reverse dns using the DNS servers of some domains. But I'm having some problems. dig -x 212.26.146.21 +short mx20.gypost.com. all ok dig -x 212.26.146.21 @8.8.8.8 +short mx20....
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201 views

Hardware configuration required for DNS server

How can I know Hardware configuration required for DNS server: What will be the expected QPS (Queries Per Second) on the server. 5/Sec and peak time 10-20/Sec How many hosts will be ...
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295 views

Make the DNS server update my host name

I have some sort of DNS server running on my router (running Asuswrt-Merlin, and I can run commands from another Linux computer by host name, i.e., ping web-server. However, when I change settings on ...
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370 views

named starts but doesn't answer until reboot

I have a current arch linux arm running on raspberry-pi and bind 9.9.4.P2-1 from the community repository. I'm using this bind as a slave-nameserver for our internal network. I have enabled named ...
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676 views

Arch wifi keeps dropping

I recently installed Arch, wifi has been messing around. Dropping and generally not connecting. I fixed it by ruling it was DHCP not getting a lease in time, I assigned a static IP and all is good. ...
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252 views

DNS not resolving using IP rule for dialup modem

I am running Ubuntu 12.04. I have a HSDPA USB Modem, with which I can successfully dial in. It works fine as well when I set the default gateway (remote IP address) in the main routing table. But I ...
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315 views

List DNS Servers Obtained Via DHCP

Is there a way to list the DNS servers obtained through DHCP alongside IP addresses information (equivalent to the Windows command "ipconfig /all")? It seems needlessly tedious to run either "nmcli ...
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955 views

Error in named.conf

I am getting the following error: Starting named: Error in named configuration: zone blk1999.lab/IN: loaded serial 2001062501 zone localhost.localdomain/IN: loading from master file named.localhost ...
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76 views

Domain doesn't exist message

I'm Trying to send mail from my RedHat 5.9 machine. so a command look like this: echo "Test mail" | mail -s "test" tgc-olga@technion.ac.il will end up me getting an error mail look like this: > ...