Having fast Authoritative DNS servers is very important today. Not only do they help the loading of web pages and make browsing websites faster. But, in addition, every email that gets sent by your domain has to be resolved quickly. In the early days of the internet all a mail server had to do is look for MX records and send the mail. Now a Sending Mail Server has to resolve DKIM, SPF, DMARC and maybe even BIMI records, not to mention checking blacklists. Not only that but EVERY "receiving" email server of your email has to resolve the same info. they check to see if the DKIM keys correct, was the Sender Authorized to send (SPF) and Do we need to report anything (DMARC). In order to eliminate errors in the DNS for your Domain, you need to host your DNS on a fast Anycast DNS platform.
Most organizations today have more than one Domain registered. They may have a yourcompany.com domain, but then have similar domains registered such as a .net or .org domain name as well. Today, these other domains need to be protected from Spoofing as well. Domains that do not send emails can still be used in email spoofing or phishing attacks. You can protect your domain by adding SPF, DKIM and DMARC records that specifically tell other mail servers to reject mail from the domain trying to be spoofed. This will significantly make it more difficult for attackers to exploit these parked domains your organization may have.
Online DIG Tools are a great way to do a quick check of DNS records to see if you have any errors in your configuration. If you are a Linux guy you can simply open up a terminal window and run a DIG command. However there are some really good tools online that can even make it easier. If you do a search for "online DIG tools", you will find that the most popular are Google Toolbox, digwebinterface.com and diggui.com. If you notice in each of these tools there is no option to check DMARC. The following video will show you how to check any dmarc record really easy using these tools.
The [email protected] and [email protected] email accounts for your domain are very important. If you send out any amount of email you probably would like to monitor and see that your email is flowing properly. To monitor abuse and postmaster messages, add the people who should receive reports as group members, and set their subscription options. For example, you might want to add your legal or marketing team to the [email protected]
Recently the asustor NAS devices have been hit by an ugly ransomware attack called Deadbolt. How can you protect yourself for attachs such as the Deadbolt Ransomware attack? Asus is not the first to get hit with these types of attacks. WD MyBookLive, QNAP have also been hit recently and Synology is also susceptible to these types of attacks.
A lot of small organizations and companies use the free email services of gmail, yahoo or outlook.com. However you should be driving customers to your domain email for a number of reasons. This video and article will show you how to set up domain email forwarding properly, and to still make use of the free email services of your choice.
The proper implementation of DMARC is a very important as it can be used to make your email flow better, give you the reports you require, and to provide you with better security. It is a necessity today for a number of reasons. If you have not implemented it yet, you should.
As you may know, we a Clustered Networks are a large promoter of Open Source software, and we too, use in our office a number of free open source office suite products. I am sure most of you are aware that Google Apps such as DOCS / Sheets / Slides and Calendar are free if you have a gmail account. LibreOffice is a great option that we use as well. But, did you know that even MS Office and Apple offer FREE versions of their popular office suite products? Microsoft offers "Office on the Web" and you can create an Apple ID which will give you Apple iWork apps, even if you do not own an apple product.
We have been using Rsync for nearly 20 years here at Clustered Networks. Rsync is an excellent tool to synchronize data between a computer and a server or from server to server. RClone on the other hand has some unique features that make it a very useful utility. At Clustered Networks we use both RSync and RClone in our scripts that we run on a daily basis.
After nearly 20 years, Google is ending support for the G Suite legacy free edition. ... The G Suite legacy free edition will no longer be available starting May 1, 2022. Starting May 1, Google will transition you to Google Workspace, which you can use at no cost until July 1, 2022. After July 1 you will have to pay as noted in the following article. This is big news as a huge number of Tech Support persons have taken advantage of this service for hosting their own domain email with Google.