Ad
related to: ptr record dns check- Azure for SaaS Apps
Grow your SaaS Business with Azure
Engage with 100 Million Users
- The Trusted Cloud
Learn About Security and Privacy.
Enable Advanced Threat Protection.
- Azure Data Services
Easily Build Apps for Any Scenario
Using an Integrated Data Portfolio.
- Azure for Open Source
Modernize Apps With Open Source.
Innovate Faster and More Securely.
- Azure for SaaS Apps
Search results
Results from the Health.Zone Content Network
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 ...
5. RFC 1035 [1] Canonical name record. Alias of one name to another: the DNS lookup will continue by retrying the lookup with the new name. CSYNC. 62. RFC 7477. Child-to-Parent Synchronization. Specify a synchronization mechanism between a child and a parent DNS zone.
Reverse lookup. A reverse DNS lookup is a query of the DNS for domain names when the IP address is known. Multiple domain names may be associated with an IP address. The DNS stores IP addresses in the form of domain names as specially formatted names in pointer (PTR) records within the infrastructure top-level domain arpa. For IPv4, the domain ...
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 ...
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 ...
Sender Policy Framework ( SPF) is an email authentication method which ensures the sending mail server is authorized to originate mail from the email sender's domain. [1] [2] This authentication only applies to the email sender listed in the "envelope from" field during the initial SMTP connection. If the email is bounced, a message is sent to ...
nslookup (from name server lookup) is a network administration command-line tool for querying the Domain Name System (DNS) to obtain the mapping between domain name and IP address, or other DNS records.
Forward-confirmed reverse DNS ( FCrDNS ), also known as full-circle reverse DNS, double-reverse DNS, or iprev, is a networking parameter configuration in which a given IP address has both forward (name-to-address) and reverse (address-to-name) Domain Name System (DNS) entries that match each other. This is the standard configuration expected by ...
Ad
related to: ptr record dns check