PTR - Wikipedia
https://en.wikipedia.org/wiki/PTR
PTR can refer to: Particle transfer roller, for cleaning motion picture film. PetroChina (NYSE: PTR). Photothermal Ratio, light/temperature ratio for a plant. Physikalisch-Technische Reichsanstalt, later Physikalisch-Technische Bundesanstalt, a German research institute. Pitrilysin, an enzyme.
PTR record | Explanation, Check/Lookup & Example - IONOS
https://www.ionos.com/digitalguide/hosting/technical-matters/ptr-record/
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.
PTR
https://ptr-us.com/
PTR weapons are engineered in adherence to the classic German/Spanish roller delay blow-back system, with a modern, Made in America, twist to precision machining, material and feature selection.
ClouDNS: Check out what is PTR record and how to add it.
https://www.cloudns.net/wiki/article/40/
PTR records are used for the Reverse DNS (Domain Name System) lookup. In the Reverse DNS zone, you need to use a PTR Record. The PTR Record resolves the IP address to a domain/hostname.
PTR Lookup: Check the PTR Record on Your DNS | Hostinger Tutorials
https://www.hostinger.in/tutorials/what-is-a-ptr-record-and-how-to-do-reverse-ip-lookup
A PTR record is well-known as the reverse version of an A record . While A record maps the domain Perform the methods below to see your domain's PTR record value and make sure that you've set a...