diff --git a/parsedmarc/resources/maps/base_reverse_dns_map.csv b/parsedmarc/resources/maps/base_reverse_dns_map.csv
index 5a127849..8dfba652 100644
--- a/parsedmarc/resources/maps/base_reverse_dns_map.csv
+++ b/parsedmarc/resources/maps/base_reverse_dns_map.csv
@@ -352,6 +352,7 @@ mesvr.com,ReadNotify,Email Provider
 metricsthatmatter.com,Metrics That Matter,SaaS
 mho.de,Marienhospital Osnabrück,Healthcare
 mhos.de,Marienhospital Osnabrück,Healthcare
+miamioh.edu,Miami University,University
 mia.net,HostDrive,Web Host
 microsoft.com,Microsoft,Technology
 mimecast.com,Mimecast,Email Security