PTR/rDNS record Lookup


IP Lookup

What is a PTR record?

The Domain Name System, or DNS, correlates domain names with IP addresses. A DNS pointer record (PTR for short) provides the domain name associated with an IP address. A DNS PTR record is exactly the opposite of the 'A' record, which provides the IP address associated with a domain name.

DNS PTR records are used in reverse DNS lookups. When a user attempts to reach a domain name in their browser, a DNS lookup occurs, matching the domain name to the IP address. A reverse DNS lookup is the opposite of this process: it is a query that starts with the IP address and looks up the domain name.

What is a DNS server?

The Domain Name System (DNS) is the phonebook of the Internet. When users type domain names such as ‘google.com’ or ‘nytimes.com’ into web browsers, DNS is responsible for finding the correct IP address for those sites. Browsers then use those addresses to communicate with origin servers or CDN edge servers to access website information. This all happens thanks to DNS servers: machines dedicated to answering DNS queries.

Important Network Tools


MTR

One of the best network diagnosing tools that combines the power of ping and traceroute.

MTR Tool
Ping

Ping is a tool that sends out ICMP packets to an address to see how fast the response is.

Ping Now


Important DNS Tools


DIG User Interface

dig is a network administration command-line tool for querying the Domain Name System. MyIPTools created a User Interface of dig to simplify DNS querying for all users.

Use dig
PTR lookup

A DNS pointer record (PTR for short) provides the domain name associated with an IP address

PTR Lookup
MX Lookup

Look for MX record of a Domain name to know where the Emails should go.

MX Lookup

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