v588.v5d5bf7cd.euw1.send.eu.mailgun.net has no NS records.
NS records for this zone are defined at v5d5bf7cd.euw1.send.eu.mailgun.net.
NS records for this zone are defined at v5d5bf7cd.euw1.send.eu.mailgun.net.
Question and response
Question
dig v588.v5d5bf7cd.euw1.send.eu.mailgun.net. NS
Answer
The response has no answer records.
Authority
v5d5bf7cd.euw1.send.eu.mailgun.net. 300 SOA ns-cloud-c1.googledomains.com. cloud-dns-hostmaster.google.com. 1 21600 3600 259200 300
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0