spf.ihs.com.tr has no NS records.
NS records for this zone are defined at ihs.com.tr.
NS records for this zone are defined at ihs.com.tr.
Question and response
Question
dig spf.ihs.com.tr. NS
Answer
The response has no answer records.
Authority
ihs.com.tr. 1800 SOA rosalie.ns.cloudflare.com. dns.cloudflare.com. 2399250344 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0