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In the Domain Name System, a LOC record (experimental RFC 1876) is a means for expressing geographic location information for a domain name.. It contains WGS84 Latitude, Longitude and Altitude (ellipsoidal height) information together with host/subnet physical size and location accuracy.
the domain name for which this record is valid, ending in a dot. TTL standard DNS time to live field. class standard DNS class field (this is always IN). priority the priority of the target host, lower value means more preferred. weight A relative weight for records with the same priority, higher value means more preferred. target
DNS is implemented by the use of several resource records. To implement DNSSEC, several new DNS record types were created or adapted to use with DNSSEC: RRSIG (resource record signature) Contains the DNSSEC signature for a record set. DNS resolvers verify the signature with a public key, stored in a DNSKEY record. DNSKEY
The DNS responds to the caller by returning a list with NAPTR records for VoIP communication, telephone numbers and email addresses. Next, an attempt will be made, using the VoIP record from this list, to establish a connection with the subscriber.
For example, say receiver.example receives a mail message From: someone@sender.example and wishes to report it. If it finds ruf=mailto:some-id@thirdparty.example, it looks for a confirming DNS record in the namespace administered by the target, like this: sender.example._report._dmarc.thirdparty.example IN TXT "v=DMARC1;"
DNS hijacking, DNS poisoning, or DNS redirection is the practice of subverting the resolution of Domain Name System (DNS) queries. [1] This can be achieved by malware that overrides a computer's TCP/IP configuration to point at a rogue DNS server under the control of an attacker, or through modifying the behaviour of a trusted DNS server so that it does not comply with internet standards.
Split-horizon DNS can provide a mechanism for security and privacy management by logical or physical separation of DNS information for network-internal access (within an administrative domain, e.g., company) and access from an unsecure, public network (e.g. the Internet).
The any DNS query is a special meta query which is now deprecated. Since around 2019, most public DNS servers have stopped answering most DNS ANY queries usefully . If ANY queries do not enumerate multiple records, the only option is to request each record type (e.g. A, CNAME, or MX) individually.