Mail domain report: svr.nl

SPF

warn

SPF record published

Found

Record: v=spf1 include:spf.mailplatform.eu include:spf.mandrillapp.com include:spf.e.sndro.com -all
DNS lookups: 4 of 10
Void lookups: 1 of 2
Problem: include:spf.e.sndro.com does not exist or has no records

Checks

✓ No deprecated ptr mechanism #1

No ptr mechanism found in SPF record.
!

4 of 10 DNS lookups, with problems

SPF record needs 4 DNS lookups (limit is 10). Problems found: include:spf.e.sndro.com does not exist or has no records.

#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.
!

1 void lookup

1 include/redirect target does not exist or has no records (limit is 2). This usually is a stale include; remove it.

#26
✓ No overly broad IP ranges #27

All ip4/ip6 ranges are narrow enough.

DMARC

warn

p=quarantine (_dmarc.svr.nl)

Found

Record: v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:dmarc@resellerdns.nl;
Found at: _dmarc.svr.nl
External report address: mailto:dmarc@resellerdns.nl (authorized)

Tag	Value	Meaning
v	DMARC1	Version
p	quarantine	Policy
sp	quarantine	Subdomain policy
rua	mailto:dmarc@resellerdns.nl	Aggregate report addresses

Checks

!

Policy: quarantine

DMARC policy is set to 'quarantine'. Consider upgrading to 'reject' for stronger protection once you've verified legitimate emails are passing authentication.

#4
✓ 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:dmarc@resellerdns.nl
✓ Subdomain policy: quarantine #20

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

Report addresses in other domains have published their authorization.

DKIM

warn

No keys found under the checked selectors

Found

Selectors: None found
_domainkey: NOERROR

Checks

!

No key under common selectors

The _domainkey name exists but no DKIM key was found under the common selectors. Selectors are provider-specific; check yours with -selector.

#7

DNSSEC

warn

Signed, DS published at parent

Found

DNSKEY records: Yes (1)
DS at parent: Yes
Algorithms: ECDSAP256SHA256 (13)
Key tags: 46420
Signatures valid until: 28 October 2026, 12:00 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 expire in 139h0m0s

DNSKEY signatures expire at 2026-10-28T12:00:16Z (in 139h0m0s). Check that re-signing works.

#21

MX

pass

2 mail servers

Found

Priority	Host	Records	Reverse DNS
10	antispam.mailplatform.eu	A 185.40.97.37 A 185.40.97.35 AAAA 2a04:8400:1:1::81 AAAA 2a04:8400:1:1::82	antispam2.mailplatform.eu ✓ antispam1.mailplatform.eu ✓ antispam1.mailplatform.eu ✓ antispam2.mailplatform.eu ✓
20	antispam-alt.mailplatform.eu	A 185.182.193.146 AAAA 2a00:7c80:0:6a::7f	antispam3.mailplatform.eu ✓ antispam3.mailplatform.eu ✓

Checks

✓ 2 MX records #9

Found 2 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 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 6 MX addresss have a PTR record that resolves back to them.

TLS

warn

no MTA-STS · TLS-RPT · DANE on 2 of 2 MX hosts

Found

TLS-RPT record: v=TLSRPTv1; rua=mailto:smtptls@resellerdns.nl

DANE (TLSA records)

MX host	TLSA	DNSSEC
antispam.mailplatform.eu	3 1 1 2780e3b37f31b1eb…	Yes
antispam-alt.mailplatform.eu	3 1 1 2780e3b37f31b1eb…	Yes

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
✓ Reports enabled #35

TLS reports are sent to: mailto:smtptls@resellerdns.nl
✓ DANE on all MX hosts #36

All 2 MX hosts publish DNSSEC-validated TLSA records.

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