mairie-seysses.fr

p=quarantine (_dmarc.mairie-seysses.fr)

Found

Record

v=DMARC1; p=quarantine; pct=100; rua=mailto:informatique@mairie-seysses.fr; ruf=mailto:informatique@mairie-seysses.fr; sp=quarantine; adkim=r; aspf=r

Found at

_dmarc.mairie-seysses.fr

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 100% of mail #18

  DMARC policy applies to all failing mail.
• ✓ Aggregate reports enabled #19

  Aggregate reports are sent to: mailto:informatique@mairie-seysses.fr
• ✓ Subdomain policy: quarantine #20

  Subdomains are covered by policy 'quarantine'.
• ✓ Report addresses in own domain #29

  All report addresses are in your own organizational domain.

Selectors: mail, selector1, selector2, s1

Found

Selectors

mail, selector1, selector2, s1

_domainkey

NOERROR

Checks

• ✓ Keys found: mail, selector1, selector2, s1 #7

  DKIM keys found for this domain with selectors: mail, selector1, selector2, s1
• !

  1024-bit DKIM key

  1024-bit RSA keys are the minimum and are considered weak today: mail (1024 bits), selector1 (1024 bits), s1 (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.
• ✓ All hosts resolve #10

  All MX records resolve to valid IP addresses.
• !

  Hosts without IPv6

  The following MX hosts could not be resolved to IPv6 addresses: vade-mx-fr01.hornetsecurity.com, vade-mx-fr02.hornetsecurity.com, vade-mx-eu-fallback01.hornetsecurity.com, vade-mx-eu-fallback02.hornetsecurity.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.
• ✓ Reverse DNS confirmed #30

  All 4 MX addresss have a PTR record that resolves back to them.

MTA-STS testing · TLS-RPT · DANE on 0 of 4 MX hosts

Found

MTA-STS record

v=STSv1; id=20250514

Policy URL

https://mta-sts.mairie-seysses.fr/.well-known/mta-sts.txt

Mode

testing

Allowed MX

mx01.cloud.vadesecure.com, mx02.cloud.vadesecure.com, mx03.cloud.vadesecure.com, mx04.cloud.vadesecure.com

Max age

86400 seconds

TLS-RPT record

v=TLSRPTv1; rua=mailto:informatique@mairie-seysses.fr

DANE (TLSA records)

Checks

• ✓ Record published #32

  MTA-STS record found with id 20250514.
• !

  Policy in testing mode

  With mode: testing, senders only report TLS problems (via TLS-RPT) and still deliver without TLS. Switch to mode: enforce once reports are clean.

  #33
• !

  MX hosts missing from policy

  These MX hosts are not listed in the MTA-STS policy (mx: mx01.cloud.vadesecure.com, mx02.cloud.vadesecure.com, mx03.cloud.vadesecure.com, mx04.cloud.vadesecure.com): vade-mx-fr01.hornetsecurity.com, vade-mx-fr02.hornetsecurity.com, vade-mx-eu-fallback01.hornetsecurity.com, vade-mx-eu-fallback02.hornetsecurity.com. This will break delivery once the policy is enforced.

  #34
• ✓ Reports enabled #35

  TLS reports are sent to: mailto:informatique@mairie-seysses.fr
• 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