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2. List of Internet top-level domains - Wikipedia

   en.wikipedia.org/wiki/List_of_Internet_top-level...

   Any web-based service, network consultants, domain brokers, resellers and registrars, home-related products and services — Identity Digital [ID 48] Yes: Yes .dot: Dish DBS Corporation [11] Yes .download: technology — Global Registry Services Ltd [10] Un­known: Yes .drive: Reserved for Google Drive: Charleston Road Registry Inc. (Google ...

3. Email address - Wikipedia

   en.wikipedia.org/wiki/Email_address

   The format of an email address is local-part@domain, where the local-part may be up to 64 octets long and the domain may have a maximum of 255 octets. [5] The formal definitions are in RFC 5322 (sections 3.2.3 and 3.4.1) and RFC 5321—with a more readable form given in the informational RFC 3696 (written by J. Klensin, the author of RFC 5321) and the associated errata.

4. Domain name - Wikipedia

   en.wikipedia.org/wiki/Domain_name

   An annotated example of a domain name. In the Internet, a domain name is a string that identifies a realm of administrative autonomy, authority or control. Domain names are often used to identify services provided through the Internet, such as websites, email services and more. Domain names are used in various networking contexts and for ...

5. DomainKeys Identified Mail - Wikipedia

   en.wikipedia.org/wiki/DomainKeys_Identified_Mail

   DomainKeys Identified Mail ( DKIM) is an email authentication method designed to detect forged sender addresses in email ( email spoofing ), a technique often used in phishing and email spam . DKIM allows the receiver to check that an email that claimed to have come from a specific domain was indeed authorized by the owner of that domain. [ 1]

6. DMARC - Wikipedia

   en.wikipedia.org/wiki/DMARC

   DMARC. Domain-based Message Authentication, Reporting and Conformance ( DMARC) is an email authentication protocol. It is designed to give email domain owners the ability to protect their domain from unauthorized use, commonly known as email spoofing. The purpose and primary outcome of implementing DMARC is to protect a domain from being used ...

7. Domain Name System - Wikipedia

   en.wikipedia.org/wiki/Domain_Name_System

   e. The Domain Name System ( DNS) is a hierarchical and distributed name service that provides a naming system for computers, services, and other resources on the Internet or other Internet Protocol (IP) networks. It associates various information with domain names (identification strings) assigned to each of the associated entities.

8. Email authentication - Wikipedia

   en.wikipedia.org/wiki/Email_authentication

   Email authentication, or validation, is a collection of techniques aimed at providing verifiable information about the origin of email messages by validating the domain ownership of any message transfer agents (MTA) who participated in transferring and possibly modifying a message. The original base of Internet email, Simple Mail Transfer ...

9. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!