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Multiple pointer records. While most rDNS entries only have one PTR record, DNS does not restrict the number. Multiple PTR records are used, for example, when a web server supports many virtual hosts— i.e. multiple hostnames then resolve to a single address, and multiple hostnames will be returned for a PTR lookup for that shared address ...
Returns all records of all types known to the name server. If the name server does not have any information on the name, the request will be forwarded on. The records returned may not be complete. For example, if there is both an A and an MX for a name, but the name server has only the A record cached, only the A record will be returned.
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 ...
A typical PT result is 10 to 14 seconds. Higher than that means your blood is taking longer than normal to clot and may be a sign of many conditions, including: Bleeding or clotting disorder. Lack ...
The Domain Name System (DNS) is a hierarchical and decentralized system that translates domain names into numerical IP addresses. It is essential for the functioning of the Internet and other networks. Learn more about the history, structure, and functions of DNS on Wikipedia, the free encyclopedia.
PT results often are reported as an international normalized ratio (INR) that’s expressed as a number. A typical range for a person not taking blood thinner medication is 0.9 to about 1.1. For ...
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 ...
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 ...