Question and response
Question
dig em.squarespace.com. NS
Answer
em.squarespace.com. 2 CNAME sendgrid.net.
sendgrid.net. 2 NS ns11.dnsmadeeasy.com.
sendgrid.net. 2 NS ns13.dnsmadeeasy.com.
sendgrid.net. 2 NS ns15.dnsmadeeasy.com.
sendgrid.net. 2 NS ns14.dnsmadeeasy.com.
sendgrid.net. 2 NS ns12.dnsmadeeasy.com.
sendgrid.net. 2 NS ns10.dnsmadeeasy.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0