spf2.hiram.edu has no NS records.
NS records for this zone are defined at hiram.edu.
NS records for this zone are defined at hiram.edu.
Question and response
Question
dig spf2.hiram.edu. NS
Answer
The response has no answer records.
Authority
hiram.edu. 1800 SOA elaine.ns.cloudflare.com. dns.cloudflare.com. 2398563617 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0