Monitoring is a simple yet very useful additional service which gives a lot of information about the current condition of your network or different services that you implement. That means thanks to it, you can perform different types of checks and get a massive amount of valuable information about your network. Additionally, if there is some kind of problem, you could solve it in real-time! Discover one of the best Monitoring services offered right now!
What is a DNS SPF record?
The SPF uses TXT DNS records called SPF records. The purpose of the SPF record is to provide the information showing which mail servers are authorized to send emails on behalf of the domain name.
It can also be used in a negative way, and the DNS administrator could also stop the authorization with the simple addition of “-all” at the end of the SPF record. SPF record – example and elements
Why do you need a TXT record?
You will need TXT records for verification purposes, mostly related to sending and receiving emails. Without well-configured TXT records, your emails will be sent to spam folders, and you won’t be able to have secure communication. If you want to be sure and give the best chances to your emails, you will need to use various TXT records together to verify and authenticate your outgoing mail servers, link the emails to the domain name, and be sure everything is well encrypted. Learn more about the TXT record!
Linux MTR command explained
MTR comes from Matt’s traceroute. First written by Matt Kimball in 1997 and later updated with Roger Wolff’s help. It is software with CLI that assists you in seeing the route of a query. It is based on the traditional traceroute command, but it presents each of the hops on the way, with a table-like view and data like data loss, amount of packets sent, the time of the return of each hop. Read more about how to use the MTR command!
What is the Host command?
The Host command is a built-in utility software with a command-line interface that you can find on Linux or macOS and serves for network diagnostics. The most common use of Host command is to perform DNS lookups and find different information about a domain name and its DNS records. Host command syntax!
DNS CAA record – meaning
The CAA records allow the CAs to better control the process of issuing certificates and to reduce the possibility of mis-issue certificates for the domain. It is strongly recommended to use the CAA records with DNSSEC. CAA record – everything you need to know!
What is the Traceroute command?
If you want to know everything about the Traceroute command, you came to the right place. It is a simple small software with a command-line interface and comes built-in into your OS. Through the Terminal, you can access it easily. Learn more about the Traceroute command.
What is the Dig command?
To explain to you the Dig command, the easiest way, we can start with its full name – Domain Information Groper. With the Dig command, you can see all kinds of DNS records, check name servers, do a reverse DNS, and much more. Let’s check the most popular Dig commands!
MX record explained
MX record is one of the common DNS records that is essential to know. Each action that you want to perform and is related to domains also requires DNS records for guidance. So let’s learn more about the DNS MX record!
DNS – meaning
Domain Name System (DNS) is a naming database system. It is locating and translating domain names into IP addresses. Imagine it is like a mobile’s contacts list. Each one of the names corresponds with numbers, and they are precisely matched. DNS directory is spread worldwide. It helps to explore and reach millions of domain names every day. Domain Name System – fully explained!