Mail domain report: vitaminesperpost.nl

SPF

fail

SPF record published

Found

Record: v=spf1 a mx ip4:88.151.33.27 ip4:88.151.33.28 ip4:188.166.58.111 include:spf1.netaffairs.nl include:spf.vitaminesperpost.hypernode.io include:spf2.netaffairs.nl include:_spf.sherpaan.nl include:eu.mailgun.org include:mailchimp.com ~all
DNS lookups: 18 of 10
Void lookups: 0 of 2

Checks

✓ No deprecated ptr mechanism #1

No ptr mechanism found in SPF record.
✗

18 DNS lookups, over the limit of 10

SPF record needs 18 DNS lookups (including nested includes), more than the limit of 10. Receivers will return a permerror; reduce includes or flatten the record.

#2
✓ 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

fail

p=none (_dmarc.vitaminesperpost.nl)

Found

Record: v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:c84f0f35@dmarc.mailgun.org,mailto:7e7ca562@inbox.ondmarc.com; ruf=mailto:c84f0f35@dmarc.mailgun.org,mailto:7e7ca562@inbox.ondmarc.com;
Found at: _dmarc.vitaminesperpost.nl
External report address: mailto:c84f0f35@dmarc.mailgun.org (authorized)
External report address: mailto:7e7ca562@inbox.ondmarc.com (authorized)

Tag	Value	Meaning
v	DMARC1	Version
p	none	Policy
pct	100	Percentage of mail the policy applies to
rua	mailto:c84f0f35@dmarc.mailgun.org,mailto:7e7ca562@inbox.ondmarc.com	Aggregate report addresses
ruf	mailto:c84f0f35@dmarc.mailgun.org,mailto:7e7ca562@inbox.ondmarc.com	Failure report addresses
fo	1	Failure reporting options
ri	3600	Report interval (seconds)

Checks

✗

Policy: none (monitoring only)

DMARC policy is set to 'none', which only monitors but doesn't protect against spoofing. Consider upgrading to 'quarantine' or ideally 'reject'.

#4
✓ Record published #5

DMARC record exists for this domain.
✓ Valid syntax #17

DMARC record syntax is valid.
✓ Aggregate reports enabled #19

Aggregate reports are sent to: mailto:c84f0f35@dmarc.mailgun.org, mailto:7e7ca562@inbox.ondmarc.com
✓ External report addresses authorized #29

Report addresses in other domains have published their authorization.

DKIM

warn

Selectors: s1, s2

Found

Selectors: s1, s2
_domainkey: NOERROR

Selector	Key	Flags
s1	RSA 2048 bits
s2	RSA 1024 bits

Checks

✓ Keys found: s1, s2 #7

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

1024-bit DKIM key

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

pass

3 mail servers

Found

Priority	Host	Records	Reverse DNS
10	shared2.netaffairs.nl	A 195.149.119.22 AAAA 2a0b:8bc7:1:104::10	shared2.netaffairs.nl ✓ shared2.netaffairs.nl ✓
20	mxbackup1.netaffairs.nl	A 89.188.29.56 AAAA 2a01:1b0:7999:446:900f::10	mxbackup1.netaffairs.nl ✓ mxbackup1.netaffairs.nl ✓
30	mxbackup2.netaffairs.nl	A 89.188.9.37 AAAA 2a01:1b0:7999:446:9013::10	mxbackup2.netaffairs.nl ✓ mxbackup2.netaffairs.nl ✓

Checks

✓ 3 MX records #9

Found 3 MX records for this domain.
✓ All hosts resolve #10

All MX records resolve to valid IP addresses.
✓ All hosts have IPv6 #11

All MX records resolve to IPv6 addresses.
✓ 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 6 MX addresss have a PTR record that resolves back to them.

TLS

warn

no MTA-STS · no TLS-RPT · DANE on 0 of 3 MX hosts

Found

DANE (TLSA records)

MX host	TLSA	DNSSEC
shared2.netaffairs.nl	none	-
mxbackup1.netaffairs.nl	none	-
mxbackup2.netaffairs.nl	none	-

Checks

!

Not configured

MTA-STS is not configured, so other mail servers fall back to unencrypted delivery when TLS fails or is stripped by an attacker. Publish a _mta-sts TXT record and a policy at https://mta-sts.<domain>/.well-known/mta-sts.txt.

#32
i

Not configured

TLS-RPT lets senders report TLS delivery problems to you. It is most useful together with MTA-STS or DANE.

#35
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