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DNS Records

QuestionAnswer
These record hold the name-to-address mapping (conversion) for a given host. A - record for IPv4 AAA - record for IPv6
Used to provide freely formatted text to network administrators regarding any network related issues or comments. TXT (text)
Validates the email servers allowed to send email. SPF (The Sender Provider Framework)
An encryption-based authentication method that validates the domain name of emails. DKIM (Domain Keys Identified Mail)
Contains hostname and port details for hosts providing specific services. SRV (Service)
Supports email traffic by identifying email servers. MX (Mail Exchanger)
Contains the alias for a host’s CNAME. This allows a hostname alias like my organization to be recognized by its canonical name www.myorganization.com. CNAME (Canonical Name)
Specifies the authoritative name server for a domain. The NS record is used by name servers to locate each other. This record is used to delegate subdomains. An NS record is required for each primary and secondary name server in a domain. NS (Name Server)
Supports reverse lookups by providing the IP address-to-hostname information in a reverse lookup zone file (reverse zone). This differs from a forward lookup zone file (forward zone) in which the A record is used to find the host using the hostname. PTR (Pointer)
The database records of domain name services RR (Resource Record)
Serves the domain and is inaccessible from the Internet. Internal hosts requiring Internet communication or external resolution will have their requests forwarded from the internal DNS server to the external DNS server. Internal DNS
Placed in a DMZ and will only provide access to public services like a web server or VPN. External DNS
Created by: botsokoy
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