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Tag: A record

The Ultimate Guide to DNS Monitoring for Businesses

Sep 12, 2024 Igor

Tags: A record, CNAME record, Cron-Job Monitoring, DNS attack, DNS cache poisoning, DNS Hijacking, DNS Monitoring, DNS Monitoring service, DNS propagation, DNS query, DNS record, DNS resolution, Domain Name System, Domain Name System Monitoring, IP address, MX record, SSL/TLS Certificate Monitoring, TCT record, TTL

In today’s digital world, Domain Name System (DNS) plays a pivotal role in connecting users to websites, services, and online resources. A robust DNS infrastructure is critical for businesses to ensure seamless online operations, high performance, and protection against potential attacks. DNS monitoring is essential to maintain the health, speed, and security of DNS services. In this guide, we will explore DNS, DNS monitoring, its importance, key metrics to monitor, common DNS issues, and how DNS monitoring integrates with other types of system checks, like cron-job and uptime monitoring.

DNS – Explained

The Domain Name System (DNS) is a hierarchical naming system that translates human-readable domain names (like www.example.com) into machine-readable IP addresses (like 192.168.1.1). When users type a URL into their browser, DNS servers are responsible for resolving that URL into the appropriate IP address, enabling computers to connect to the desired website or service.

A record or AAAA record – Which one to choose?

Feb 13, 2023 Igor

Tags: A record, A record or AAAA record, AAAA record, DNS, DNS record, Domain name, Dynamic DNS, IP address, IPv4, IPv4 address, IPv6, IPv6 address

Are you wondering which type of record you should use for your website—an A record or an AAAA record? Well, the answer depends on the version of the Internet Protocol you are using. In this blog post, we’ll cover the basics of both records and make some recommendations about when to use which record. So let’s get started!

What is a DNS A record?

A (Address) record is a type of DNS record used to point a domain name at an IPv4 address. DNS A records are a vital part of the Domain Name System (DNS) as they allow internet users to access your website by its domain name. All domain names registered with a domain name registrar are required to have an A record associated with them. Thus, A records are the essential building blocks of the internet, connecting domain names to their respective IP addresses. An A record is responsible for mapping a domain name to its IPv4 address. It ensuring that a user’s browser knows which server to connect to when they type in a domain name in the address bar. Beyond simply connecting domain names to IP addresses, A records can also be used to specify multiple IP addresses for a single domain. This allows for high levels of redundancy and consistent availability.

How does Dynamic DNS help your online availability?

Jan 20, 2023 Igor

Tags: A record, AAAA record, DDNS, DDNS provider, DNS hosting provider, DNS server, Dynamic DNS, Dynamic DNS service, IP address, ISP, VPN

What is the Dynamic DNS concept?

To begin, Dynamic DNS, also known as DDNS, is a service that immediately updates your IP address (the A or AAAA record) if the host (device) changes it.

When the lease on your IP address expires, your ISP (Internet service provider) can change it automatically.

If you use the device as a server, you can use DDNS to ensure it remains accessible. Otherwise, you won’t be able to reach or determine the new IP address from afar.

Without Dynamic DNS, the connection would break the moment the ISP changed the IP address, making it impossible for someone operating a monitoring server with a camera at home to observe the footage from a distance.

Check out a fantastic Dynamic DNS service!