ville-plerin.fr

Checked 22 October 2026, 05:51 UTC · via 8.8.8.8
!Passed with warnings
27 passed 4 warnings 0 failed 2 info

SPF

pass

SPF record published

Found

Record
v=spf1 a mx include:_spf.3c-cloud.com ip4:95.128.42.180 ip4:185.66.235.4 ip4:95.128.46.208 ip4:213.32.80.162 ip4:162.19.53.164 -all
DNS lookups
3 of 10
Void lookups
0 of 2

Checks

  • ✓ No deprecated ptr mechanism #1
    No ptr mechanism found in SPF record.
  • ✓ 3 of 10 DNS lookups #2
    SPF record needs 3 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.

DMARC

warn

p=reject (_dmarc.ville-plerin.fr)

Found

Record
v=DMARC1; p=reject;
Found at
_dmarc.ville-plerin.fr
TagValueMeaning
vDMARC1Version
prejectPolicy

Checks

  • ✓ Policy: reject #4
    DMARC policy is set to 'reject', which provides the strongest protection against email spoofing.
  • ✓ 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.
  • !
    No aggregate reports (rua)
    DMARC record has no rua tag, so you receive no aggregate reports about who sends mail as your domain. Add rua=mailto:...
    #19
  • ✓ Subdomain policy: reject #20
    Subdomains are covered by policy 'reject'.

DKIM

warn

Selectors: mail

Found

Selectors
mail
_domainkey
NOERROR
SelectorKeyFlags
mailRSA 1024 bits

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.

DNSSEC

warn

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

MX

warn

3 mail servers

Found

PriorityHostRecordsReverse DNS
60mx1.3c-cloud.comA 51.210.123.153eufrovhpmx3cpub011.3c-cloud.com ✓
60mx2.3c-cloud.comA 51.91.211.184eufrovhpmx3cpub012.3c-cloud.com ✓
100mx3.3c-cloud.comA 51.91.211.184eufrovhpmx3cpub012.3c-cloud.com ✓

Checks

  • ✓ 3 MX records #9
    Found 3 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: mx1.3c-cloud.com, mx2.3c-cloud.com, mx3.3c-cloud.com
    #11
  • ✓ Redundant MX hosts #12
    Found 3 MX records, which provides redundancy for email delivery.
  • ✓ At most 5 MX records #13
    Found 3 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 3 MX addresss have a PTR record that resolves back to them.

TLS

info

MTA-STS enforce · TLS-RPT · DANE on 0 of 3 MX hosts

Found

MTA-STS record
v=STSv1; id=2020011701;
Policy URL
https://mta-sts.ville-plerin.fr/.well-known/mta-sts.txt
Mode
enforce
Allowed MX
*.3c-cloud.com
Max age
2592000 seconds
TLS-RPT record
v=TLSRPTv1;rua=mailto:postmaster@ville-plerin.fr

DANE (TLSA records)

MX hostTLSADNSSEC
mx1.3c-cloud.comnone-
mx2.3c-cloud.comnone-
mx3.3c-cloud.comnone-

Checks

  • ✓ Record published #32
    MTA-STS record found with id 2020011701.
  • ✓ Policy enforced #33
    The MTA-STS policy is enforced and cached for 720h0m0s.
  • ✓ All MX hosts covered #34
    Every MX host matches an mx: line of the MTA-STS policy.
  • ✓ Reports enabled #35
    TLS reports are sent to: mailto:postmaster@ville-plerin.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

BIMI

info

No BIMI record

Checks

  • i
    Not configured
    BIMI shows your logo next to your mail in supporting mail clients. It requires DMARC enforcement.
    #38