Mail domain report: hebban.nl

SPF

warn

SPF record published

Found

Record: v=spf1 a mx include:spf.whih.nl ip4:93.119.11.149 include:_spf.emailclick.nl include:spf5360.smtpeter.com include:spf.protection.outlook.com ~all
DNS lookups: 7 of 10
Void lookups: 0 of 2
Problem: include:spf.whih.nl could not be resolved: DNS query for spf.whih.nl failed: read udp 46.225.38.91:59472->8.8.8.8:53: i/o timeout
Problem: include:smtpeter.com could not be resolved: DNS query for smtpeter.com failed: read udp 46.225.38.91:44644->8.8.8.8:53: i/o timeout

Checks

✓ No deprecated ptr mechanism #1

No ptr mechanism found in SPF record.
!

7 of 10 DNS lookups, with problems

SPF record needs 7 DNS lookups (limit is 10). Problems found: include:spf.whih.nl could not be resolved: DNS query for spf.whih.nl failed: read udp 46.225.38.91:59472->8.8.8.8:53: i/o timeout; include:smtpeter.com could not be resolved: DNS query for smtpeter.com failed: read udp 46.225.38.91:44644->8.8.8.8:53: i/o timeout.

#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.hebban.nl)

Found

Record: v=DMARC1;p=none; rua=mailto:rua@report.rect.to,mailto:inoadmin@hebban.nl
Found at: _dmarc.hebban.nl
External report address: mailto:rua@report.rect.to (authorized)

Tag	Value	Meaning
v	DMARC1	Version
p	none	Policy
rua	mailto:rua@report.rect.to,mailto:inoadmin@hebban.nl	Aggregate report addresses

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:rua@report.rect.to, mailto:inoadmin@hebban.nl
✓ External report addresses authorized #29

Report addresses in other domains have published their authorization.

DKIM

warn

Selectors: mail

Found

Selectors: mail
_domainkey: NOERROR

Selector	Key	Flags
mail	RSA 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

pass

Signed, DS published at parent

Found

DNSKEY records: Yes (2)
DS at parent: Yes
Algorithms: ECDSAP256SHA256 (13)
Key tags: 32568, 59828
Signatures valid until: 29 October 2026, 00:00 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 2026-10-29 #21

DNSKEY signatures are valid until 2026-10-29T00:00:00Z.

MX

warn

1 mail server

Found

Priority	Host	Records	Reverse DNS
10	hebban-nl.mail.protection.outlook.com	A 52.101.68.10 A 52.101.103.137 A 52.101.103.36 A 52.101.73.123	lookup failed lookup failed mail-miypr05cu00104.inbound.protection.outlook.com ✓ mail-am6pr02cu00203.inbound.protection.outlook.com ✓

Checks

✓ 1 MX record #9

Found 1 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: hebban-nl.mail.protection.outlook.com

#11
!

Single MX host, no backup

Only one MX record found. For better email reliability, consider adding at least one backup MX server.

#12
✓ At most 5 MX records #13

Found 1 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.
i

Could not be checked

The reverse lookup failed for: 52.101.68.10, 52.101.103.137.

#30

TLS

info

no MTA-STS · no TLS-RPT · DANE on 0 of 1 MX hosts

Found

DANE (TLSA records)

MX host	TLSA	DNSSEC
hebban-nl.mail.protection.outlook.com	none	-

Lookup error: DNS query for _mta-sts.hebban.nl failed: read udp 46.225.38.91:45520->8.8.8.8:53: i/o timeout

Checks

i

Could not be checked

The MTA-STS lookup failed, so this could not be checked: DNS query for _mta-sts.hebban.nl failed: read udp 46.225.38.91:45520->8.8.8.8:53: i/o timeout

#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