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A DNS PTR record is used for reverse DNS lookups, and it matches domain names with IP addresses. Learn more about PTR records and when they are used.
Mar 28, 2023 · The PTR or "pointer" DNS record type maps an IP address to a domain name in the DNS. This is called a DNS reverse lookup. Most DNS records types are used in "forward lookups". A DNS forward lookup maps a DNS name to an IP address or another piece of DNS data. PTR records do the opposite.
Sep 15, 2023 · A pointer (PTR) record resolves an IP address (made up of numbers and decimals) into a domain name (such as okta.com). The act of translating an IP address into a domain name is known as a reverse lookup in the Domain Name System (DNS).
Aug 18, 2022 · DNS PTR records, more commonly referred to as pointer records, help map an IP address to a hostname by telling an IP client the name of the system assigned to it. This article serves as both a brief introduction to PTR records and an explanation of how they are used.
Feb 15, 2024 · A PTR (Pointer) record, also known as a Reverse DNS record, maps an IP address to a domain name. PTR records verify IPs and domain names.
PTR (Pointer) records are a type of DNS record that maps an IP address to a domain name. PTR records are often used in email servers to verify the sender’s domain name and to combat spam and phishing attacks.
Jul 30, 2019 · PTR records enable reverse DNS: The domain name is determined based on an IP address. How does this work? We explain the PTR record lookup.
A PTR (pointer) record maps an IP address to the domain name. It’s often called a "reverse DNS entry" because it converts an IP address to a name. PTR records are mostly used as a security and anti-spam measure, to verify that a mail server address is allowed to send an email to a particular hostname.
Dec 7, 2020 · Pointer records ( PTR records) are one of the records used by the domain name system ( DNS ), which acts as a directory for the internet. While DNS typically uses domain names to locate IP addresses, reverse DNS does the opposite with the help of PTR records. There are multiple uses for PTR records, but they are mainly used for security.
Oct 19, 2021 · DNS PTR record is a type of DNS record, which is oftentimes called pointer record. This is because it helps to associate an IP address to a domain name. The goal is to show that the specific IP address is actually related to the domain name.
