What type of DNS is used for email servers?
What type of DNS is used for email servers?
A DNS ‘mail exchange’ (MX) record directs email to a mail server. The MX record indicates how email messages should be routed in accordance with the Simple Mail Transfer Protocol (SMTP, the standard protocol for all email). Like CNAME records, an MX record must always point to another domain.
What RFC 1035?
Abstract. This RFC is the revised specification of the protocol and format used in the implementation of the Domain Name System. It obsoletes RFC-883. This memo documents the details of the domain name client – server communication.
What is the RFC for DNS?
DNS related RFCs An up to date list of Domain Name System RFCs
| RFC | Name | Date |
|---|---|---|
| 8659 | DNS Certification Authority Authorization (CAA) Resource Record | November 2019 |
| 8624 | Algorithm Implementation Requirements and Usage Guidance for DNSSEC | June 2019 |
| 8618 | Compacted-DNS (C-DNS): A Format for DNS Packet Capture | September 2019 |
What is the DNS type for a host address?
A-Records
The A-record is the most basic and the most commonly used DNS record type. It is used to translate human friendly domain names such as “www.example.com” into IP-addresses such as 23.211.
How does DNS work for email?
An email address is matched to a domain name (what follows the @), and this needs to be matched to an IP address to be able to send the data. So the mail server uses DNS to match the address on the ‘envelope’ to its destination, and deliver the email.
What RFC 1034?
INTRODUCTION This RFC introduces domain style names, their use for Internet mail and host address support, and the protocols and servers used to implement domain name facilities.
What RFC 1123?
Braden, Editor October 1989 Requirements for Internet Hosts — Application and Support Status of This Memo This RFC is an official specification for the Internet community. It incorporates by reference, amends, corrects, and supplements the primary protocol standards documents relating to hosts.
What RFC 952?
This RFC is the official specification of the format of the Internet Host Table. This edition of the specification includes minor revisions to RFC-810 which brings it up to date.
What DNS resource record type is used to provide the IP address for the e mail server for a zone?
This is the most common resource record type. The AAAA records maps an IPv6 (128-bit) DNS host name to an IP address. The MX record identifies servers that can be used to deliver e-mail.
Do you need DNS for email?
While emails run on mail servers, DNS is still very much a part of how messages are delivered. Just like when you enter a website into a browser, each email sent generates a query and must resolve to an IP address. DNS records are what tell mail servers where to deliver messages.