Topic Tag: PTR Posted on by Search for: IT Support Forum › Forums › Topic Tag: PTR Viewing 3 topics - 1 through 3 (of 3 total) Topic Voices Posts Last Post How To Fix: Reverse DNS Does Not Match SMTP Banner Started by: Webmaster in: Troubleshooting 1 1 5 years, 9 months ago Webmaster Reverse DNS Is Not A Valid Hostname Started by: Webmaster in: Troubleshooting 1 1 5 years, 9 months ago Webmaster Who Hosts Reverse DNS (PTR) Records? Started by: Webmaster in: General Discussion 1 1 5 years, 10 months ago Webmaster Viewing 3 topics - 1 through 3 (of 3 total)