Mail domain report: wonderbox.fr

SPF

pass

SPF record published

Found

Record: v=spf1 include:spf.mailjet.com include:_u.wonderbox.fr._spf.smart.ondmarc.com exists:%{i}._spf.mta.salesforce.com ~all
DNS lookups: 5 of 10
Void lookups: 0 of 2

Checks

✓ No deprecated ptr mechanism #1

No ptr mechanism found in SPF record.
✓ 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.

DMARC

warn

p=quarantine (_dmarc.wonderbox.fr)

Found

Record: v=DMARC1; p=quarantine; pct=100; sp=quarantine; rua=mailto:f5c3811c@inbox.ondmarc.com; ruf=mailto:f5c3811c@inbox.ondmarc.com; adkim=s; aspf=r; fo=1; rf=afrf; ri=3600
Found at: _dmarc.wonderbox.fr
External report address: mailto:f5c3811c@inbox.ondmarc.com (authorized)

Tag	Value	Meaning
v	DMARC1	Version
p	quarantine	Policy
sp	quarantine	Subdomain policy
pct	100	Percentage of mail the policy applies to
rua	mailto:f5c3811c@inbox.ondmarc.com	Aggregate report addresses
ruf	mailto:f5c3811c@inbox.ondmarc.com	Failure report addresses
adkim	s	DKIM alignment (r = relaxed, s = strict)
aspf	r	SPF alignment (r = relaxed, s = strict)
fo	1	Failure reporting options
rf	afrf	Failure report format
ri	3600	Report interval (seconds)

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:f5c3811c@inbox.ondmarc.com
✓ Subdomain policy: quarantine #20

Subdomains are covered by policy 'quarantine'.
✓ External report addresses authorized #29

Report addresses in other domains have published their authorization.

DKIM

warn

Selectors: selector1

Found

Selectors: selector1
_domainkey: NOERROR

Selector	Key	Flags
selector1	RSA 1024 bits

Checks

✓ Keys found: selector1 #7

DKIM keys found for this domain with selectors: selector1
!

1024-bit DKIM key

1024-bit RSA keys are the minimum and are considered weak today: selector1 (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

2 mail servers

Found

Priority	Host	Records	Reverse DNS
5	mx-mibc-fr-11.mailinblack.com	A 4.176.17.204	no PTR
100	mx-mibc-fr-11.mailinblack.com	A 4.176.17.204	no PTR

Checks

✓ 2 MX records #9

Found 2 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: mx-mibc-fr-11.mailinblack.com, mx-mibc-fr-11.mailinblack.com

#11
✓ Redundant MX hosts #12

Found 2 MX records, which provides redundancy for email delivery.
✓ At most 5 MX records #13

Found 2 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.
!

Addresses without reverse DNS

These MX addresses have no PTR record, which many receivers treat as a spam signal: 4.176.17.204 (mx-mibc-fr-11.mailinblack.com), 4.176.17.204 (mx-mibc-fr-11.mailinblack.com). Ask your hosting provider to set one.

#30

TLS

warn

MTA-STS testing · TLS-RPT · DANE on 0 of 1 MX hosts

Found

MTA-STS record: v=STSv1; id=1705568352398
Policy URL: https://mta-sts.wonderbox.fr/.well-known/mta-sts.txt
Mode: testing
Allowed MX: wonderbox-fr.mail.protection.outlook.com
Max age: 86401 seconds
TLS-RPT record: v=TLSRPTv1; rua=mailto:f5c3811c@inbox.ondmarc.com;

DANE (TLSA records)

MX host	TLSA	DNSSEC
mx-mibc-fr-11.mailinblack.com	none	-

Checks

✓ Record published #32

MTA-STS record found with id 1705568352398.
!

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: wonderbox-fr.mail.protection.outlook.com): mx-mibc-fr-11.mailinblack.com, mx-mibc-fr-11.mailinblack.com. This will break delivery once the policy is enforced.

#34
✓ Reports enabled #35

TLS reports are sent to: mailto:f5c3811c@inbox.ondmarc.com
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