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Month: February 2022

Reverse lookup zones

Posted on 02/19/2022 By firstdns
Non classé

I’ve come across an issue that I’ve never given much thought to until now. I’ve inherited a network that is not in the best of shape. This week was spent fixing the broken replication between DCs. Now I’m onto sorting the DNS. They have many subnets and haven’t created any reverse lookup zones for them. … Read More “Reverse lookup zones” »

Anycast PowerDNS

Posted on 02/18/2022 By firstdns
Non classé

So I’ve setup multiple region replication, configured them correctly, now I’m left 32 slaves in different locations. As people are using these as nameservers I.e ns1/ns2, I’d like to be able to Anycast them into two ip addresses to send traffic to the nearest dns server. Is there any services that I can buy and … Read More “Anycast PowerDNS” »

Where can I find public dns datasets!?

Posted on 02/18/2022 By firstdns
Non classé

Any websites, companies that share public dns datasets? It can be from any country, It’s for research purposes submitted by /u/geovanibm [link] [comments] Powered by WPeMatico

Wildcard Use in DNS Records

Posted on 02/17/2022 By firstdns
Non classé

Hello all I have a main domain ( aa.example.com) with hunderds of subdomains ( bb.aa.example.com). I made a wildcard record to forward all subdomains (bb.) to a list of addresses in round-robin fashion. The problem I am fscing is the wildcard is forwarding anything towards the the IP ( example , “cc.bb.” which is not … Read More “Wildcard Use in DNS Records” »

powerdns upgrade from 3 to 4: some master zones work, some don’t!

Posted on 02/17/2022 By firstdns
Non classé

I have an odd thing going on. I have an old v3 powerdns server (last version) I’m migrating to v4 (latest version), and I’m dumping the mysql database and copying it over to the new server, and some domains resolve, and some don’t. It’s pretty random which work, and which don’t. The SOA for both … Read More “powerdns upgrade from 3 to 4: some master zones work, some don’t!” »

2 services on one IP with SRV

Posted on 02/16/2022 By firstdns
Non classé

Hello, I have 2 services (minecraft servers) running on one virtual machine with separate ports. I want the client to be able to access these as mc1*.domain.com* and mc2*.domain.com* but even if I try to access mc1*.domain.com* it is directing the client to mc2.domain.com instead (unless I specify the mc1 port number). mc2*.domain.com* is working … Read More “2 services on one IP with SRV” »

Seeking Guidance

Posted on 02/16/2022 By firstdns
Non classé

Hi all, quick question here. I have a Windows Server 2019 which is also my domain controller, and I have added the DNS Role to it. My main question is what from my Domain Registrar needs to be added to the DNS Server in order for it to function properly? ​ Let’s say my domain … Read More “Seeking Guidance” »

How to create SQL tables for PowerDNS

Posted on 02/16/2022 By firstdns
Non classé

Hey, I’m using PowerDNS for a project, and I can’t remember if you have to use a CLI command to create the SQL scheme once a connection string has been set, or do you manually go into database and create the tables based off of https://github.com/PowerDNS/pdns/tree/master/modules/gmysqlbackend submitted by /u/Feeling_Influence [link] [comments] Powered by WPeMatico

Phones and computer browsers not working. TV still works and other devices on the network. DNS Attack????

Posted on 02/15/2022 By firstdns
Non classé

submitted by /u/xxxfrogmanxxx [link] [comments] Powered by WPeMatico

Server DNS address could not be found error

Posted on 02/14/2022 By firstdns
Non classé

Hello, Sometimes (very randomly) I will get disconnected from my browser pages without losing any internet and it pops up a blank screen that says “This site can’t be reached – Server DNS address could not be found”. It will last for a very brief amount of time (3-10 seconds) and then everything will connect … Read More “Server DNS address could not be found error” »

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