robertsspaceindustries.com

SPF record published

Found

Record

v=spf1 a mx ptr include:spf.mandrillapp.com include:amazonses.com ~all

DNS lookups

5 of 10

Void lookups

0 of 2

Checks

• !

  Uses deprecated ptr mechanism

  The ptr mechanism in SPF records is deprecated due to performance issues and should be avoided.

  #1
• ✓ 5 of 10 DNS lookups #2

  SPF record needs 5 DNS lookups (limit is 10).
• ✓ Ends with ~all #3

  SPF record properly uses ~all to restrict unauthorized senders.
• ✓ Record published #6

  SPF record exists for this domain.
• ✓ Single record #16

  Exactly one SPF record is published.
• ✓ Valid syntax #25

  All SPF mechanisms and modifiers are valid.
• ✓ No void lookups #26

  All include/redirect targets exist.
• ✓ No overly broad IP ranges #27

  All ip4/ip6 ranges are narrow enough.

p=quarantine (_dmarc.robertsspaceindustries.com)

Found

Record

v=DMARC1; p=quarantine; pct=25; rua=mailto:report@cloudimperiumgames.com;

Found at

_dmarc.robertsspaceindustries.com

External report address

mailto:report@cloudimperiumgames.com (not authorized)

Checks

• !

  Policy: quarantine

  DMARC policy is set to 'quarantine'. Consider upgrading to 'reject' for stronger protection once you've verified legitimate emails are passing authentication.

  #4
• ✓ Record published #5

  DMARC record exists for this domain.
• ✓ Valid syntax #17

  DMARC record syntax is valid.
• !

  Applies to 25% of mail

  DMARC policy only applies to 25% of failing mail (pct=25). Raise pct to 100 once you are confident in your setup.

  #18
• ✓ Aggregate reports enabled #19

  Aggregate reports are sent to: mailto:report@cloudimperiumgames.com
• ✓ Subdomain policy: quarantine #20

  Subdomains are covered by policy 'quarantine'.
• !

  Report address not authorized

  These report addresses are in another domain that has not agreed to receive your reports, so receivers will not send them: mailto:report@cloudimperiumgames.com (needs robertsspaceindustries.com._report._dmarc.cloudimperiumgames.com). Ask the report provider to publish the record, or check the address.

  #29

Selectors: mail

Found

Selectors

mail

_domainkey

NXDOMAIN

Checks

• ✓ Keys found: mail #7

  DKIM keys found for this domain with selectors: mail
• !

  1024-bit DKIM key

  1024-bit RSA keys are the minimum and are considered weak today: mail (1024 bits). Rotate to a 2048-bit key.

  #23
• ✓ No problematic flags #24

  No keys in test mode, revoked, or limited to SHA-1.

Not signed

Found

DNSKEY records

No (0)

DS at parent

No

Checks

• !

  Not enabled

  DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.

  #8

4 mail servers

Found

Checks

• ✓ 4 MX records #9

  Found 4 MX records for this domain.
• !

  Hosts without IP addresses

  The following MX hosts could not be resolved to IP addresses: robertsspaceindustries.com.s10a1.psmtp.com, robertsspaceindustries.com.s10a2.psmtp.com, robertsspaceindustries.com.s10b1.psmtp.com, robertsspaceindustries.com.s10b2.psmtp.com

  #10
• !

  Hosts without IPv6

  The following MX hosts could not be resolved to IPv6 addresses: robertsspaceindustries.com.s10a1.psmtp.com, robertsspaceindustries.com.s10a2.psmtp.com, robertsspaceindustries.com.s10b1.psmtp.com, robertsspaceindustries.com.s10b2.psmtp.com

  #11
• ✓ Redundant MX hosts #12

  Found 4 MX records, which provides redundancy for email delivery.
• ✓ At most 5 MX records #13

  Found 4 MX records, which is within the recommended range (1-5).
• ✓ No localhost targets #14

  No MX records pointing to localhost found.
• ✓ No private IP addresses #15

  No MX records resolving to private IP addresses found.
• ✓ No CNAME targets #22

  No MX records point to a CNAME.

no MTA-STS · no TLS-RPT · DANE on 0 of 4 MX hosts

Found

DANE (TLSA records)

Checks

• !

  Not configured

  MTA-STS is not configured, so other mail servers fall back to unencrypted delivery when TLS fails or is stripped by an attacker. Publish a _mta-sts TXT record and a policy at https://mta-sts.<domain>/.well-known/mta-sts.txt.

  #32
• i

  Not configured

  TLS-RPT lets senders report TLS delivery problems to you. It is most useful together with MTA-STS or DANE.

  #35
• i

  Not used

  No MX host publishes TLSA records. DANE lets senders verify your mail server's certificate through DNSSEC; it requires DNSSEC on the MX host's zone.

  #36