>;; ANSWER SECTION: >csuohio.edu. 10800 IN MX 10 antispam5.csuohio.edu. >csuohio.edu. 10800 IN MX 10 antispam4.csuohio.edu. >csuohio.edu. 10800 IN MX 10 antispam3.csuohio.edu. >csuohio.edu. 10800 IN MX 10 antispam2.csuohio.edu. >(and) > >13.19.148.137.in-addr.arpa domain name pointer antispam5.csuohio.edu. >13.18.148.137.in-addr.arpa domain name pointer antispam4.csuohio.edu. >21.18.148.137.in-addr.arpa domain name pointer antispam3.csuohio.edu. >12.19.148.137.in-addr.arpa domain name pointer antispam2.csuohio.edu.
All of the DNSBLs I know are about outbound mail hosts, not inbound ones. What are your sending hosts called? R's, John