vastgoedactueel.nl

Checked 22 October 2026, 17:00 UTC · via 8.8.8.8
✗Problems found
24 passed 5 warnings 2 failed 1 info

SPF

pass

SPF record published

Found

Record
v=spf1 include:_spf.hostnet.nl ~all
DNS lookups
2 of 10
Void lookups
0 of 2

Checks

  • ✓ No deprecated ptr mechanism #1
    No ptr mechanism found in SPF record.
  • ✓ 2 of 10 DNS lookups #2
    SPF record needs 2 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.

DMARC

fail

p=quarantaine (_dmarc.vastgoedactueel.nl)

Found

Record
v=DMARC1; p=quarantaine;
Found at
_dmarc.vastgoedactueel.nl
TagValueMeaning
vDMARC1Version
pquarantainePolicy

Checks

  • ✗
    No valid policy
    No valid DMARC policy (p tag) was found. Ensure your DMARC record includes a valid p=reject, p=quarantine, or p=none tag.
    #4
  • ✓ Record published #5
    DMARC record exists for this domain.
  • ✗
    Invalid syntax
    DMARC record is invalid: invalid p value "quarantaine".
    #17
  • ✓ 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: quarantaine #20
    Subdomains are covered by policy 'quarantaine'.

DKIM

warn

Selectors: k1, s1, s2

Found

Selectors
k1, s1, s2
_domainkey
NOERROR
SelectorKeyFlags
k1RSA 1024 bits
s1RSA 2048 bits
s2RSA 2048 bits

Checks

  • ✓ Keys found: k1, s1, s2 #7
    DKIM keys found for this domain with selectors: k1, s1, s2
  • !
    1024-bit DKIM key
    1024-bit RSA keys are the minimum and are considered weak today: k1 (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
RSASHA256 (8)
Key tags
27350, 9508
Signatures valid until
5 November 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 2026-11-05 #21
    DNSKEY signatures are valid until 2026-11-05T00:00:00Z.

MX

warn

4 mail servers

Found

PriorityHostRecordsReverse DNS
10mx1.mailpod13-cph3.g1i.hostnet.nlA 185.10.9.146mx1-hostnet-nl.pub.mailpod13-cph3.one.com ✓
10mx2.mailpod13-cph3.g1i.hostnet.nlA 185.10.9.147mx2-hostnet-nl.pub.mailpod13-cph3.one.com ✓
10mx3.mailpod13-cph3.g1i.hostnet.nlA 185.10.9.148mx3-hostnet-nl.pub.mailpod13-cph3.one.com ✓
10mx4.mailpod13-cph3.g1i.hostnet.nlA 185.10.9.149mx4-hostnet-nl.pub.mailpod13-cph3.one.com ✓

Checks

  • ✓ 4 MX records #9
    Found 4 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: mx1.mailpod13-cph3.g1i.hostnet.nl, mx2.mailpod13-cph3.g1i.hostnet.nl, mx3.mailpod13-cph3.g1i.hostnet.nl, mx4.mailpod13-cph3.g1i.hostnet.nl
    #11
  • ✓ Redundant MX hosts #12
    Found 4 MX records, which provides redundancy for email delivery.
  • ✓ At most 5 MX records #13
    Found 4 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 4 MX addresss have a PTR record that resolves back to them.

TLS

warn

no MTA-STS · no TLS-RPT · DANE on 4 of 4 MX hosts

Found

DANE (TLSA records)

MX hostTLSADNSSEC
mx1.mailpod13-cph3.g1i.hostnet.nl3 1 1 dc60fbb3c3cad8bf… 3 1 1 be8c554e6a2a9bfe…Yes
mx2.mailpod13-cph3.g1i.hostnet.nl3 1 1 be8c554e6a2a9bfe… 3 1 1 dc60fbb3c3cad8bf…Yes
mx3.mailpod13-cph3.g1i.hostnet.nl3 1 1 be8c554e6a2a9bfe… 3 1 1 dc60fbb3c3cad8bf…Yes
mx4.mailpod13-cph3.g1i.hostnet.nl3 1 1 dc60fbb3c3cad8bf… 3 1 1 be8c554e6a2a9bfe…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
  • !
    Not configured
    MTA-STS or DANE is used without TLS-RPT, so you get no reports when senders fail to deliver because of TLS problems. Publish _smtp._tls TXT "v=TLSRPTv1; rua=mailto:...".
    #35
  • ✓ DANE on all MX hosts #36
    All 4 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