Domain

  • What are A records?
    A records, or Address records, are one of the most fundamental types of DNS (Domain Name System) records used to translate domain names into IP addresses. An A record maps a domain name to an IPv4 address, allowing users to… Read more: What are A records?
  • What are AAAA records?
    AAAA records, also known as IPv6 address records, are a type of DNS (Domain Name System) record used to map a domain name to an IPv6 address. Just like A records, which map domain names to IPv4 addresses, AAAA records… Read more: What are AAAA records?
  • What are DNS records?
    DNS (Domain Name System) records are a set of instructions stored on DNS servers that help translate human-readable domain names (like example.com) into machine-readable IP addresses (such as 192.0.2.1) and vice versa. DNS records play a crucial role in the… Read more: What are DNS records?
  • What is BIMI?
    BIMI, short for Brand Indicators for Message Identification, is an email specification designed to enhance the visual representation of brands in email inboxes. When implemented, BIMI allows authenticated email messages to display the sender's logo alongside their content. The primary… Read more: What is BIMI?
  • What is rDNS?
    rDNS stands for Reverse Domain Name System, also known as reverse DNS or PTR (Pointer) records. While the regular DNS translates domain names to IP addresses, rDNS performs the opposite function—it maps IP addresses to domain names. Here's how rDNS… Read more: What is rDNS?

Email Security

  • What is BIMI?
    BIMI, short for Brand Indicators for Message Identification, is an email specification designed to enhance the visual representation of brands in email inboxes. When implemented, BIMI allows authenticated email messages to display the sender's logo alongside their content. The primary… Read more: What is BIMI?
  • What is DKIM?
    DomainKeys Identified Mail, is like a digital signature for emails. It helps verify that an email actually came from the sender it claims to be from, making it harder for spammers to fake emails and enhancing email security. DKIM, or… Read more: What is DKIM?
  • What is DMARC?
    DMARC, which stands for "Domain-based Message Authentication, Reporting, and Conformance," is like a security guard for your emails. It helps protect your email domain from being used for phishing attacks. Essentially, DMARC tells email providers (like Gmail or Yahoo) how… Read more: What is DMARC?
  • What is SPF?
    SPF stands for "Sender Policy Framework," and it's like a digital address book for emails. Imagine when someone sends you an email, SPF helps your email provider check if it's coming from the right place. It's kind of like when… Read more: What is SPF?

Server

  • What is a hostname?
    A hostname is a label assigned to a device connected to a computer network. It serves as a human-readable identifier for the device, allowing users to easily refer to and identify it within the network. Hostnames are typically alphanumeric strings… Read more: What is a hostname?
  • What is a VPS?
    A VPS, or Virtual Private Server, is a virtualized server environment created by partitioning a physical server into multiple isolated virtual servers. Each virtual server operates independently and has its own operating system, resources (such as CPU, RAM, and storage),… Read more: What is a VPS?
  • What is IPv4?
    IPv4, or Internet Protocol version 4, is the fourth version of the Internet Protocol (IP) that is used to identify and locate devices on a network. It is the foundational protocol that has been used to route data packets across… Read more: What is IPv4?
  • What is IPv6?
    IPv6, or Internet Protocol version 6, is the most recent version of the Internet Protocol (IP) that is used to identify and locate devices on a network. It is designed as the successor to IPv4 (Internet Protocol version 4) and… Read more: What is IPv6?
  • What is swap?
    In computer science and operating systems, "swap" refers to the process of moving data between the Random Access Memory (RAM) and the hard drive or solid-state drive (SSD) to free up space in RAM for active processes. Swap space is… Read more: What is swap?

Software