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  2. List of DNS record types - Wikipedia

    en.wikipedia.org/wiki/List_of_DNS_record_types

    Address record. Returns a 32-bit IPv4 address, most commonly used to map hostnames to an IP address of the host, but it is also used for DNSBLs, storing subnet masks in RFC 1101, etc. AAAA. 28. RFC 3596 [2] IPv6 address record. Returns a 128-bit IPv6 address, most commonly used to map hostnames to an IP address of the host.

  3. Domain Name System Security Extensions - Wikipedia

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

    Ideally, the security-aware resolver would start with verifying the DS and DNSKEY records at the DNS root. Then it would use the DS records for the "com" top-level domain found at the root to verify the DNSKEY records in the "com" zone. From there, it would see if there is a DS record for the "example.com" subdomain in the "com" zone, and if ...

  4. Domain Name System - Wikipedia

    en.wikipedia.org/wiki/Domain_Name_System

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

  5. DNS Certification Authority Authorization - Wikipedia

    en.wikipedia.org/wiki/DNS_Certification...

    DNS Certification Authority Authorization ( CAA) is an Internet security policy mechanism that allows domain name holders to indicate to certificate authorities whether they are authorized to issue digital certificates for a particular domain name. It does this by means of a "CAA" Domain Name System (DNS) resource record .

  6. Reverse DNS lookup - Wikipedia

    en.wikipedia.org/wiki/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 ...

  7. SRV record - Wikipedia

    en.wikipedia.org/wiki/SRV_record

    A Service record ( SRV record) is a specification of data in the Domain Name System defining the location, i.e., the hostname and port number, of servers for specified services. It is defined in RFC 2782, and its type code is 33. Some Internet protocols such as the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence ...

  8. NAPTR record - Wikipedia

    en.wikipedia.org/wiki/NAPTR_record

    A Name Authority Pointer ( NAPTR) is a type of resource record in the Domain Name System of the Internet. [1] [2] NAPTR records are most commonly used for applications in Internet telephony, for example, in the mapping of servers and user addresses in the Session Initiation Protocol (SIP). The combination of NAPTR records with Service Records ...

  9. Category:DNS record types - Wikipedia

    en.wikipedia.org/wiki/Category:DNS_record_types

    Pages in category "DNS record types". The following 15 pages are in this category, out of 15 total. This list may not reflect recent changes . List of DNS record types.

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