CAA records control authorization for certificate authorities to issue certificates for a domain
mindbox.ru. 0 IN CAA 0 issue "letsencrypt.org"
mindbox.ru. 0 IN CAA 0 issue "amazon.com"
mindbox.ru. 0 IN CAA 0 issue "godaddy.com"
mindbox.ru. 0 IN CAA 0 issue "globalsign.com"
Challenge update failures for a.mindbox.ru in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/27146697584
acme: error code 400 "urn:ietf:params:acme:error:dns": DNS problem: NXDOMAIN looking up TXT for _acme-challenge.a.mindbox.ru - check that a DNS record exists for this domain