em.synaq.com has no NS records.
NS records for this zone are defined at synaq.com.
NS records for this zone are defined at synaq.com.
Question and response
Question
dig u6357785.wl036.sendgrid.net. NS
Answer
The response has no answer records.
Authority
wl036.sendgrid.net. 1800 SOA aisha.ns.cloudflare.com. dns.cloudflare.com. 2400204047 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0