Mail domain report: biogroup.fr

SPF

pass

SPF record published

Found

Record: v=spf1 include:spfa.biogroup.fr include:spfb.biogroup.fr include:spfc.biogroup.fr include:spf.mailjet.com include:spf.protection.outlook.com include:spf.emailsignatures365.com include:amazonses.com -all
DNS lookups: 10 of 10
Void lookups: 0 of 2

Checks

✓ No deprecated ptr mechanism #1

No ptr mechanism found in SPF record.
✓ 10 of 10 DNS lookups #2

SPF record needs 10 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

pass

p=reject (_dmarc.biogroup.fr)

Found

Record: v=DMARC1; p=reject; sp=reject; adkim=s; rua=mailto:ea78b61f28ef4796a143db1617158e9d@dmarc-reports.cloudflare.net,mailto:admin.mail@biogroup.fr; ruf=mailto:admin.mail@biogroup.fr
Found at: _dmarc.biogroup.fr
External report address: mailto:ea78b61f28ef4796a143db1617158e9d@dmarc-reports.cloudflare.net (authorized)

Tag	Value	Meaning
v	DMARC1	Version
p	reject	Policy
sp	reject	Subdomain policy
rua	mailto:ea78b61f28ef4796a143db1617158e9d@dmarc-reports.cloudflare.net,mailto:admin.mail@biogroup.fr	Aggregate report addresses
ruf	mailto:admin.mail@biogroup.fr	Failure report addresses
adkim	s	DKIM alignment (r = relaxed, s = strict)

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.
✓ Aggregate reports enabled #19

Aggregate reports are sent to: mailto:ea78b61f28ef4796a143db1617158e9d@dmarc-reports.cloudflare.net, mailto:admin.mail@biogroup.fr
✓ Subdomain policy: reject #20

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

Report addresses in other domains have published their authorization.

DKIM

pass

Selectors: selector1, selector2, s1, s2

Found

Selectors: selector1, selector2, s1, s2
_domainkey: NOERROR

Selector	Key	Flags
selector1	RSA 2048 bits
selector2	RSA 2048 bits
s1	RSA 2048 bits
s2	RSA 2048 bits

Checks

✓ Keys found: selector1, selector2, s1, s2 #7

DKIM keys found for this domain with selectors: selector1, selector2, s1, s2
✓ Strong keys #23

DKIM keys are strong enough: selector1: RSA 2048 bits; selector2: RSA 2048 bits; s1: RSA 2048 bits; s2: RSA 2048 bits.
✓ No problematic flags #24

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

DNSSEC

pass

Signed, DS published at parent

Found

DNSKEY records: Yes (2)
DS at parent: Yes
Algorithms: ECDSAP256SHA256 (13)
Key tags: 34505, 2371
Signatures valid until: 28 November 2026, 09:03 UTC

Checks

✓ Signed, DS published at parent #8

DNSSEC is enabled for this domain (DNSKEY and DS present), providing additional security for DNS lookups.
✓ Signatures valid until 2026-11-28 #21

DNSKEY signatures are valid until 2026-11-28T09:03:02Z.

MX

warn

2 mail servers

Found

Priority	Host	Records	Reverse DNS
0	mxa-00844c02.gslb.pphosted.com	A 143.55.149.95	mx08-00844c02.pphosted.com ✓
0	mxb-00844c02.gslb.pphosted.com	A 143.55.146.190	mx07-00844c02.pphosted.com ✓

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: mxa-00844c02.gslb.pphosted.com, mxb-00844c02.gslb.pphosted.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.
✓ Reverse DNS confirmed #30

All 2 MX addresss have a PTR record that resolves back to them.

TLS

warn

MTA-STS testing · TLS-RPT · DANE on 0 of 2 MX hosts

Found

MTA-STS record: v=STSv1; id=202610061547;
Policy URL: https://mta-sts.biogroup.fr/.well-known/mta-sts.txt
Mode: testing
Allowed MX: mxa-00844c02.gslb.pphosted.com, mxb-00844c02.gslb.pphosted.com
Max age: 604800 seconds
TLS-RPT record: v=TLSRPTv1; rua=mailto:tlsrpt@biogroup.fr

DANE (TLSA records)

MX host	TLSA	DNSSEC
mxa-00844c02.gslb.pphosted.com	none	-
mxb-00844c02.gslb.pphosted.com	none	-

Checks

✓ Record published #32

MTA-STS record found with id 202610061547.
!

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
✓ 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:tlsrpt@biogroup.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

pass

https://vmc.digicert.com/a5aad205-5179-4ce4-967d-1e4f62858107.svg

Found

Record: v=BIMI1; l=https://vmc.digicert.com/a5aad205-5179-4ce4-967d-1e4f62858107.svg; a=https://vmc.digicert.com/a5aad205-5179-4ce4-967d-1e4f62858107.pem
Found at: default._bimi.biogroup.fr
Logo: https://vmc.digicert.com/a5aad205-5179-4ce4-967d-1e4f62858107.svg
Certificate: https://vmc.digicert.com/a5aad205-5179-4ce4-967d-1e4f62858107.pem

Checks

✓ Logo and certificate published #38

BIMI logo: https://vmc.digicert.com/a5aad205-5179-4ce4-967d-1e4f62858107.svg; certificate: https://vmc.digicert.com/a5aad205-5179-4ce4-967d-1e4f62858107.pem
✓ DMARC meets BIMI requirements #39

DMARC is enforced on all mail, as BIMI requires.