Search found 5 matches

by arek199602
2019/10/29 17:19:27
Forum: CentOS 7 - Networking Support
Topic: Mail servers cannot resolve domains correctly.
Replies: 2
Views: 628

Re: Maill servers cannot resolve domains correctly.

I discovered when I have properly work internet connection I've got NXDOMAIN error. But when my connection is lost mail servers resolve domains correctly. When I have not internet ; <<>> DiG 9.11.4-P2-RedHat-9.11.4-9.P2.el7 <<>> -t mx valhalla.local ;; global options: +cmd ;; Got answer: ;; WARNING:...
by arek199602
2019/10/28 17:23:25
Forum: CentOS 7 - Networking Support
Topic: Mail servers cannot resolve domains correctly.
Replies: 2
Views: 628

Mail servers cannot resolve domains correctly.

Hello, I have two servers. One of them has domain name olimpus.local. Another valhalla.local. Both servers have installed postfix service.I want to send mail between these to servers, but when I run command dig -t mx olimpus.local on first server I've got ; <<>> DiG 9.11.4-P2-RedHat-9.11.4-9.P2.el7 ...
by arek199602
2019/10/18 20:39:01
Forum: CentOS 7 - Networking Support
Topic: SOLVED: DNS configuration with book "Learn CentOS Linux Network Services
Replies: 4
Views: 1153

Re: DNS configuration with book "Learn CentOS Linux Network Services

Ok I solved the problem. I think that possible cause was wrong configuration my network.
Topic to close.
Thank for your help.
by arek199602
2019/10/18 17:17:44
Forum: CentOS 7 - Networking Support
Topic: SOLVED: DNS configuration with book "Learn CentOS Linux Network Services
Replies: 4
Views: 1153

Re: DNS configuration with book "Learn CentOS Linux Network Services

I have to learn how to set up dns and I would like to understand it a bit, because I have task related to dns in college. I've try another tutorials and them worked but I cannot understand why this configuration not work properly. These tutorials also did not completely explain how it works so I wro...
by arek199602
2019/10/18 14:23:14
Forum: CentOS 7 - Networking Support
Topic: SOLVED: DNS configuration with book "Learn CentOS Linux Network Services
Replies: 4
Views: 1153

SOLVED: DNS configuration with book "Learn CentOS Linux Network Services

Hello. Sorry for my english. I've got a problem with dns configuration. My named.conf file: // // named.conf // // Provided by Red Hat bind package to configure the ISC BIND named(8) DNS // server as a caching only nameserver (as a localhost DNS resolver only). // // See /usr/share/doc/bind*/sample/...

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