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  2. List of DNS record types - Wikipedia

    en.wikipedia.org/wiki/List_of_DNS_record_types

    This list of DNS record types is an overview of resource records (RRs) permissible in zone files of the Domain Name System (DNS). It also contains pseudo-RRs.

  3. Domain Name System - Wikipedia

    en.wikipedia.org/wiki/Domain_Name_System

    The types of information elements are categorized and organized with a list of DNS record types, the resource records (RRs). Each record has a type (name and number), an expiration time (time to live), a class, and type-specific data.

  4. CNAME record - Wikipedia

    en.wikipedia.org/wiki/CNAME_record

    CNAME record A Canonical Name (CNAME) record is a type of resource record in the Domain Name System (DNS) that maps one domain name (an alias) to another (the canonical name). [1] This can prove convenient when running multiple services (like an FTP server and a web server, each running on different ports) from a single IP address.

  5. Name server - Wikipedia

    en.wikipedia.org/wiki/Name_server

    A DNS name server is a server that stores the DNS records, such as address (A, AAAA) records, name server (NS) records, and mail exchanger (MX) records for a domain name (see also List of DNS record types) and responds with answers to queries against its database.

  6. Wildcard DNS record - Wikipedia

    en.wikipedia.org/wiki/Wildcard_DNS_record

    Wildcard DNS record A wildcard DNS record is a record in a DNS zone that will match requests for non-existent domain names. A wildcard DNS record is specified by using a * as the leftmost label (part) of a domain name, e.g. *.example.com. The exact rules for when a wildcard will match are specified in RFC 1034, but the rules are neither intuitive nor clearly specified. This has resulted in ...

  7. MX record - Wikipedia

    en.wikipedia.org/wiki/MX_record

    MX record is a type of DNS record that specifies the mail server for a domain. Learn how MX records work and how to configure them on Wikipedia.

  8. Domain Name System Security Extensions - Wikipedia

    en.wikipedia.org/wiki/Domain_Name_System...

    Contains a link to the next record name in the zone and lists the record types that exist for the record's name. DNS resolvers use NSEC records to verify the non-existence of a record name and type as part of DNSSEC validation.

  9. Reverse DNS lookup - Wikipedia

    en.wikipedia.org/wiki/Reverse_DNS_lookup

    Reverse DNS lookup In computer networks, a reverse DNS lookup or reverse DNS resolution (rDNS) is the querying technique of the Domain Name System (DNS) to determine the domain name associated with an IP address – the reverse of the usual "forward" DNS lookup of an IP address from a domain name. [1] The process of reverse resolving of an IP address uses PTR records. rDNS involves searching ...

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