Question and response
Question
dig spf.mailservice.snelstart.nl. NS
Answer
spf.mailservice.snelstart.nl. 5 CNAME u2206867.wl118.sendgrid.net.
Authority
wl118.sendgrid.net. 1800 SOA aisha.ns.cloudflare.com. dns.cloudflare.com. 2398440648 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0