Mail domain report: netherlandsandyou.nl

SPF

pass

SPF record published

✓ No deprecated ptr mechanism #1

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

SPF record needs 0 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.

warn

p=reject (_dmarc.netherlandsandyou.nl)

Tag	Value	Meaning
v	DMARC1	Version
p	reject	Policy

✓ 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.
!

No aggregate reports (rua)

DMARC record has no rua tag, so you receive no aggregate reports about who sends mail as your domain. Add rua=mailto:...

#19
✓ Subdomain policy: reject #20

Subdomains are covered by policy 'reject'.

fail

No keys found under the checked selectors

pass

Signed, DS published at parent

✓ 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.

info

Null MX: domain accepts no mail

i

Null MX: accepts no mail

Domain publishes a null MX (RFC 7505): it explicitly accepts no email.

#9
✓ Locked down against spoofing #28

The domain publishes a null MX and publishes SPF "v=spf1 -all" and DMARC p=reject, so nobody can send mail as this domain.

info

No BIMI record