How to change nameservers on Fedora Core release 4 (Stentz)
I have been trying to change the DNS servers on our Fedora server but /etc/resolv.conf is read only …
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DNS
The Domain Name System (DNS) is a hierarchical, globally distributed system responsible for associating the name of a computer, service or other re...
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Troubleshooting Solution
Article
DNS Troubleshooting made easy
Most DNS problems are VERY easily troubleshot and identifiable if you can follow the steps a DNS …
Video
Configuring Windows 2019 Server Core
In this video, we take a look at preparing your windows server 2019 core machine. We set the …
Video
Patch your Servers: zerologon exploit part 3 (System down)
In the previous 2 videos in this 3 part series we showed you how a patched operating system is not …
Post
Microsoft has identified a security (DNS) vulnerability that…
Microsoft has identified a security (DNS) vulnerability that attackers can exploit and has released …
Troubleshooting Solution
Windows domain DNS issues!
Multiple Host A records on the same IP address in domain DNS servers? Is that valid?
Post
CloudFlare and APNIC have launched a free DNS service @ …
CloudFlare and APNIC have launched a free DNS service @ 1.1.1.1 that claims to prevent your ISP from…
Troubleshooting Solution
Exchange 2010 Initialization Failed.
Hi there,
after running updates last night the Exchange 2010 on SBS 2011 has stopped.
When starting …
after running updates last night the Exchange 2010 on SBS 2011 has stopped.
When starting …
Troubleshooting Solution
NSLOOKUP results are correct?
Hi
In Windows2008, A record is configured in DNS with acme.com to 192.168.1.153
Now I dont know why …
In Windows2008, A record is configured in DNS with acme.com to 192.168.1.153
Now I dont know why …
Troubleshooting Solution
What am I missing in my DNS to have valid emails and not beeing categorized as spam?
Hi,
Some clients of us are blocking our mails coming to them.
ProofPoint told them that :
" We're seeing …
Some clients of us are blocking our mails coming to them.
ProofPoint told them that :
" We're seeing …
Troubleshooting Solution
NSLOOKUP failing on second dns server
I have 2 dns servers on our network
server13
windows server 2008 R2
server18
…
server13
windows server 2008 R2
server18
…
Troubleshooting Solution
Internet speed is slow due to DNS or virus?
Hi Recently my internet speed is very slow. It looks like DNS has some issue because it takes long …
Troubleshooting Solution
Unable to get Hulu on Apple TV in Canada
Hi guys,
I setup my wife with a hulu account here in Canada originally and was unable to get it work …
I setup my wife with a hulu account here in Canada originally and was unable to get it work …
Troubleshooting Solution
Domain Controller and Desktop DNS
I have setup my first Windows Server 2019 with AD and DNS and DHCP. Everything works fine. My …
Post
The Global Cyber Alliance has a new DNS service to help …
The Global Cyber Alliance has a new DNS service to help combat malware - check out Quad9…
Troubleshooting Solution
Win 7 Internet connection
Hi,
We have a pc was rebuilt. WIFI works fine on that pc, but when we plug in a cable. The …
We have a pc was rebuilt. WIFI works fine on that pc, but when we plug in a cable. The …
Research Solution
Make a VM server and host part of the domain?
Until recently, a client has had a single server that had the roles of PDC and file server. This …
Troubleshooting Solution
Move controller/DNS server ip address
Hi
I failed to to move controller ip address. Hope someone give some suggestion. Controller (with DNS …
I failed to to move controller ip address. Hope someone give some suggestion. Controller (with DNS …
Troubleshooting Solution
Disable negative caching in Windows DNS service
This is a follow up for
this question since the problem still is not resolved.
We have an hMailServer …
We have an hMailServer …
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The Domain Name System (DNS) is a hierarchical, globally distributed system responsible for associating the name of a computer, service or other resource into an IP address for connecting to the Internet or a private network. Most prominently, it translates domain names to the numerical IP addresses needed for the purpose of computer services and devices worldwide.