_acme-challenge.content.product.axcient.com has no A records.
Question and response
Question
dig _acme-challenge.content.product.axcient.com. A
Answer
_acme-challenge.content.product.axcient.com. 5 CNAME 1009b8bf-73e9-45ce-b67d-f82c6abb1000.7.authorize.certificatemanager.goog.
Authority
7.authorize.certificatemanager.goog. 60 SOA ns-cloud-c1.googledomains.com. cloud-dns-hostmaster.google.com. 1 21600 3600 259200 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0