srv13.mailjet.com. TXT RRSIG NSEC
Question and response
Question
dig spf.mailjet.com. NSEC
Answer
spf.mailjet.com. 180 NSEC srv13.mailjet.com. TXT RRSIG NSEC
Authority
mailjet.com. 7200 NS ns0.mljt.tech.
mailjet.com. 7200 NS ns1.mljt.tech.
mailjet.com. 7200 NS ns2.mljt.tech.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0