example.com: grade B (2 pass, 1 warn, 0 fail) in 30ms

info  MX records null MX
pass  SPF        -all, 0 of 10 lookups
warn  DMARC      p=reject, no rua
      see https://kirkdiamond.com/guides/dmarc-none-vs-quarantine-vs-reject
pass  DKIM       amazonses, cm, default, dkim, everlytickey1, everlytickey2, fm1, fm2, fm3, google, hs1, hs2, k1, k2, k3, krs, litesrv, m1, mail, mailjet, mandrill, mimecast, mte1, mte2, mxvault, pm, protonmail, protonmail2, protonmail3, s1, s2, s3, selector1, selector2, sendgrid, sg, sig1, smtp, sparkpost, x, zendesk1, zendesk2, zoho
info  MTA-STS    not published
      see https://kirkdiamond.com/guides/mta-sts-explained
info  TLS-RPT    not published
      see https://kirkdiamond.com/guides/mta-sts-explained

spf (0 lookups, 0 void)
  example.com: v=spf1 -all

dmarc
  v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s

dkim amazonses: rsa 0 bit

dkim cm: rsa 0 bit

dkim default: rsa 0 bit

dkim dkim: rsa 0 bit

dkim everlytickey1: rsa 0 bit

dkim everlytickey2: rsa 0 bit

dkim fm1: rsa 0 bit

dkim fm2: rsa 0 bit

dkim fm3: rsa 0 bit

dkim google: rsa 0 bit

dkim hs1: rsa 0 bit

dkim hs2: rsa 0 bit

dkim k1: rsa 0 bit

dkim k2: rsa 0 bit

dkim k3: rsa 0 bit

dkim krs: rsa 0 bit

dkim litesrv: rsa 0 bit

dkim m1: rsa 0 bit

dkim mail: rsa 0 bit

dkim mailjet: rsa 0 bit

dkim mandrill: rsa 0 bit

dkim mimecast: rsa 0 bit

dkim mte1: rsa 0 bit

dkim mte2: rsa 0 bit

dkim mxvault: rsa 0 bit

dkim pm: rsa 0 bit

dkim protonmail: rsa 0 bit

dkim protonmail2: rsa 0 bit

dkim protonmail3: rsa 0 bit

dkim s1: rsa 0 bit

dkim s2: rsa 0 bit

dkim s3: rsa 0 bit

dkim selector1: rsa 0 bit

dkim selector2: rsa 0 bit

dkim sendgrid: rsa 0 bit

dkim sg: rsa 0 bit

dkim sig1: rsa 0 bit

dkim smtp: rsa 0 bit

dkim sparkpost: rsa 0 bit

dkim x: rsa 0 bit

dkim zendesk1: rsa 0 bit

dkim zendesk2: rsa 0 bit

dkim zoho: rsa 0 bit