It acts like the IP block was blacklisted at some point and got on some bad lists but I don’t want ti limit myself to that theory. I have opened up a ticket with ARIN asking for any guidance. Has anyone ran into this with new space assigned? Any tools, sites, etc. I can use to do further troubleshooting. The IP block does not appear to have any blacklisted IPs according to MX toolbox, and some others.
Try:
http://multirbl.valli.org/lookup/
-Hank
The block in question is 134.195.44.0/22. It has been RPKI certified and has IRR entries. Thanks in advance Justin Wilson j2sw@mtin.net — https://j2sw.com - All things jsw (AS209109) https://blog.j2sw.com - Podcast and Blog