spf.strold.io has no NS records.
NS records for this zone are defined at strold.io.
NS records for this zone are defined at strold.io.
Question and response
Question
dig spf.strold.io. NS
Answer
The response has no answer records.
Authority
strold.io. 1800 SOA dara.ns.cloudflare.com. dns.cloudflare.com. 2396657331 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0