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DNSDNS

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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Network Architect and EE TA

Over 15 years' experience in enterprise network design and implementation focused on routing, switching, Wi-Fi and Cisco ISE.

Troubleshooting Solution

Hotmail pop3 & SMTP config

60
does anybody know what to put in the pop3 and smtp host server in any kind of e-mail client for …
Article

DNS Troubleshooting made easy

6
Most DNS problems are VERY easily troubleshot and identifiable if you can follow the steps a DNS …
Video
Post

Microsoft has identified a security (DNS) vulnerability that…

1
Microsoft has identified a security (DNS) vulnerability that attackers can exploit and has released …
Troubleshooting Solution

DMARC Compliance

10

Hi All


I am getting a DMARC failure when I send an email from operatorxr.com to any .gov email

Advice Solution

DC Domain DNS or Public DNS?

byMark S
7

If a (*)system is not joined to our Domain.local but is on the same network as our domain.local, is

Post

CloudFlare and APNIC have launched a free DNS service @ …

3
CloudFlare and APNIC have launched a free DNS service @ 1.1.1.1 that claims to prevent your ISP from…
Troubleshooting Solution

Primary Domain Controller Replacement and Network Policy server clarification

23

Hello,


I have the following domain server replacment project for which I need clarification:


The

Post

It's always exciting around here! We're thrilled to …



It's always exciting around here! We're thrilled to expand our partnership with ConnectWise
Troubleshooting Solution

DKIM and DMARC

13

   I have no real idea what a DKIM or a DMARC is but it is my understanding that they both must be

Troubleshooting Solution

Add DNS A record with IP address that is forwarded to a different hostname

byjskfan
9

Add DNS A record with IP address that is forwarded to a different hostname


I have been asked to add A

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

Manually Assigned IP address after receiving Automatic IP

byjskfan
16

Manually Assigned IP address after receiving Automatic IP


We have Windows Servers That have received

Troubleshooting Solution

Make a domain go to a specific page on my Wix site

35

Updated objective 7-4-2023


The objective is to get tpcarlist.com and others such as frugalmule.com to

Troubleshooting Solution

I can Ping by hostname but not Nslookup

byjskfan
16

I can Ping by hostname but not Nslookup


I have windows computer(Windows Server 2016 Data Center) from

Post

Haven't tried it out yet, but this looks cool.  Why …

Haven't tried it out yet, but this looks cool.

Why DNSCrypt is so significant
In the same
Troubleshooting Solution

Ping question

12

   OK. I have never worried or checked before but..... over the years I have migrated several

Article

Some important DNS concepts for good diagnosis and good configuration

2
I wrote this article to explain some important DNS concepts that should be known to avoid some typical configuration errors I often see in forums.
Post

For the past few months I've been a Beta tester for a new …

For the past few months I've been a Beta tester for a new service called DNS Spy.  It's a …
Post

Andy's VMware vSphere tip#11: DNS (Domain Name System) - …

Andy's VMware vSphere tip#11: DNS (Domain Name System) - this has really go nothing to do with …

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