Challenge update failures for nevitt33.com in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/274925428
acme: error code 400 "urn:ietf:params:acme:error:dns": DNS problem: NXDOMAIN looking up TXT for _acme-challenge.nevitt33.com - check that a DNS record exists for this domain