Mail domain report: sidnlabs.nl

SPF

pass

SPF record published

Record: v=spf1 ip4:94.198.159.0/24 ip4:145.102.0.174 ip6:2a00:d78:0:700::/56 ip6:2001:67c:e6c:1700::28 ~all
DNS lookups: 0 of 10
Void lookups: 0 of 2

✓ 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.

pass

p=reject (_dmarc.sidnlabs.nl)

Record: v=DMARC1; p=reject; rua=mailto:nl7jlgxp@ag.eu.dmarcadvisor.com,mailto:dmarc@sidn-nl.uriports.com; adkim=r; aspf=s; sp=quarantine; np=reject; psd=n; t=n;
Found at: _dmarc.sidnlabs.nl
External report address: mailto:nl7jlgxp@ag.eu.dmarcadvisor.com (authorized)
External report address: mailto:dmarc@sidn-nl.uriports.com (authorized)

Tag	Value	Meaning
v	DMARC1	Version
p	reject	Policy
sp	quarantine	Subdomain policy
rua	mailto:nl7jlgxp@ag.eu.dmarcadvisor.com,mailto:dmarc@sidn-nl.uriports.com	Aggregate report addresses
adkim	r	DKIM alignment (r = relaxed, s = strict)
aspf	s	SPF alignment (r = relaxed, s = strict)
np	reject
psd	n
t	n

✓ 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:nl7jlgxp@ag.eu.dmarcadvisor.com, mailto:dmarc@sidn-nl.uriports.com
✓ Subdomain policy: quarantine #20

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

Report addresses in other domains have published their authorization.

info

Selectors: default, dkim, mail, email, k1, selector1, selector2, google, zoho, mx, key, mta, pm, dkim-smtp, s1, s2

Selectors: default, dkim, mail, email, k1, selector1, selector2, google, zoho, mx, key, mta, pm, dkim-smtp, s1, s2
_domainkey: NOERROR

✓ Keys found: default, dkim, mail, email, k1, selector1, selector2, google, zoho, mx, key, mta, pm, dkim-smtp, s1, s2 #7

DKIM keys found for this domain with selectors: default, dkim, mail, email, k1, selector1, selector2, google, zoho, mx, key, mta, pm, dkim-smtp, s1, s2
i

All keys revoked

All found keys are revoked (empty p=): default, dkim, mail, email, k1, selector1, selector2, google, zoho, mx, key, mta, pm, dkim-smtp, s1, s2. That is fine if this domain no longer signs mail.

#24

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 2026-11-04 #21

DNSKEY signatures are valid until 2026-11-04T00:24:24Z.

info

Null MX: domain accepts no mail

warn

MTA-STS none · TLS-RPT

✓ Record published #32

MTA-STS record found with id 20220303134154Z.
!

Policy disabled (mode: none)

The MTA-STS policy is switched off with mode: none.

#33
✓ Reports enabled #35

TLS reports are sent to: mailto:tlsrpt@sidn-nl.uriports.com

info

No BIMI record