Mail domain report: anru.fr

SPF

pass

SPF record published

Found

Record: v=spf1 ip4:185.136.41.152/29 ip4:168.245.122.239/32 a:anru-production.mgcloud.fr a:lsicloud-smtp.onletsignit.com include:spf.protection.outlook.com include:sendgrid.net include:de._netblocks.mimecast.com include:spf.sendinblue.com mx -all
DNS lookups: 8 of 10
Void lookups: 0 of 2

Checks

✓ No deprecated ptr mechanism #1

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

SPF record needs 8 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.anru.fr)

Found

Record: v=DMARC1; p=reject; fo=1; rua=mailto:6b68906c9f@rua.easydmarc.eu; ruf=mailto:6b68906c9f@rua.easydmarc.eu
Found at: _dmarc.anru.fr
External report address: mailto:6b68906c9f@rua.easydmarc.eu (authorized)

Tag	Value	Meaning
v	DMARC1	Version
p	reject	Policy
rua	mailto:6b68906c9f@rua.easydmarc.eu	Aggregate report addresses
ruf	mailto:6b68906c9f@rua.easydmarc.eu	Failure report addresses
fo	1	Failure reporting options

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:6b68906c9f@rua.easydmarc.eu
✓ 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

warn

Selectors: mail, selector1, selector2, s1, s2

Found

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

Selector	Key	Flags
mail	RSA 1024 bits
selector1	RSA 2048 bits
selector2	RSA 2048 bits
s1	RSA 2048 bits
s2	RSA 1024 bits

Checks

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

DKIM keys found for this domain with selectors: mail, selector1, selector2, s1, s2
!

1024-bit DKIM key

1024-bit RSA keys are the minimum and are considered weak today: mail (1024 bits), s2 (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
10	de-smtp-inbound-1.mimecast.com	A 194.104.108.22 A 194.104.110.22	de-smtp-inbound-1.mimecast.com ✓ de-smtp-inbound-1.mimecast.com ✓
10	de-smtp-inbound-2.mimecast.com	A 194.104.108.22 A 194.104.110.22	de-smtp-inbound-1.mimecast.com ✓ de-smtp-inbound-1.mimecast.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: de-smtp-inbound-1.mimecast.com, de-smtp-inbound-2.mimecast.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 4 MX addresss have a PTR record that resolves back to them.

TLS

fail

MTA-STS record without policy · TLS-RPT · DANE on 0 of 2 MX hosts

Found

MTA-STS record: v=STSv1; id=169679318487Z;
Policy URL: https://mta-sts.anru.fr/.well-known/mta-sts.txt
Policy error: Get "https://mta-sts.anru.fr/.well-known/mta-sts.txt": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
TLS-RPT record: v=TLSRPTv1; rua=mailto:administrateur@anru.fr;

DANE (TLSA records)

MX host	TLSA	DNSSEC
de-smtp-inbound-1.mimecast.com	none	-
de-smtp-inbound-2.mimecast.com	none	-

Checks

✓ Record published #32

MTA-STS record found with id 169679318487Z.
✗

Policy not reachable

The MTA-STS record exists but the policy could not be fetched, so senders ignore MTA-STS: Get "https://mta-sts.anru.fr/.well-known/mta-sts.txt": context deadline exceeded (Client.Timeout exceeded while awaiting headers).

#33
✓ Reports enabled #35

TLS reports are sent to: mailto:administrateur@anru.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

fail

https://www.anru.fr/sites/default/files/media/downloads/anru.svg

Found

Record: v=BIMI1; l=https://www.anru.fr/sites/default/files/media/downloads/anru.svg; a=self;
Found at: default._bimi.anru.fr
Logo: https://www.anru.fr/sites/default/files/media/downloads/anru.svg
Certificate: self

Checks

✗

Invalid BIMI record

Mail clients ignore the BIMI record because of: certificate URL "self" must use https://.

#38
✓ DMARC meets BIMI requirements #39

DMARC is enforced on all mail, as BIMI requires.