consultancy.nl

Checked 21 October 2026, 21:00 UTC · via 8.8.8.8
!Passed with warnings
31 passed 2 warnings 0 failed 2 info

SPF

pass

SPF record published

Found

Record
v=spf1 a mx include:spf.protection.outlook.com include:spf.mailjet.com -all
DNS lookups
4 of 10
Void lookups
0 of 2

Checks

  • ✓ No deprecated ptr mechanism #1
    No ptr mechanism found in SPF record.
  • ✓ 4 of 10 DNS lookups #2
    SPF record needs 4 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

pass

p=reject (_dmarc.consultancy.nl)

Found

Record
v=DMARC1; p=reject; rua=mailto:dmarc_rua@blliz.nl; ruf=mailto:dmarc_ruf@blliz.nl; fo=1; pct=100
Found at
_dmarc.consultancy.nl
External report address
mailto:dmarc_rua@blliz.nl (authorized)
External report address
mailto:dmarc_ruf@blliz.nl (authorized)
TagValueMeaning
vDMARC1Version
prejectPolicy
pct100Percentage of mail the policy applies to
ruamailto:dmarc_rua@blliz.nlAggregate report addresses
rufmailto:dmarc_ruf@blliz.nlFailure report addresses
fo1Failure reporting options

Checks

  • ✓ 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:dmarc_rua@blliz.nl
  • ✓ Subdomain policy: reject #20
    Subdomains are covered by policy 'reject'.
  • ✓ External report addresses authorized #29
    Report addresses in other domains have published their authorization.

DKIM

pass

Selectors: selector1, selector2

Found

Selectors
selector1, selector2
_domainkey
NOERROR
SelectorKeyFlags
selector1RSA 2048 bits
selector2RSA 2048 bits

Checks

  • ✓ Keys found: selector1, selector2 #7
    DKIM keys found for this domain with selectors: selector1, selector2
  • ✓ Strong keys #23
    DKIM keys are strong enough: selector1: RSA 2048 bits; selector2: RSA 2048 bits.
  • ✓ No problematic flags #24
    No keys in test mode, revoked, or limited to SHA-1.

DNSSEC

warn

Signed, but no DS at parent

Found

DNSKEY records
Yes (2)
DS at parent
No
Algorithms
RSASHA256 (8)
Key tags
4458, 14516
Signatures valid until
10 November 2026, 04:25 UTC

Checks

  • !
    Signed, but no DS at parent
    The zone is signed (DNSKEY present) but the parent has no DS record, so the chain of trust is incomplete. Publish the DS record at your registrar.
    #8
  • ✓ Signatures valid until 2026-11-10 #21
    DNSKEY signatures are valid until 2026-11-10T04:25:00Z.

MX

warn

1 mail server

Found

PriorityHostRecordsReverse DNS
0consultancy-nl.mail.protection.outlook.comA 52.101.73.120 A 52.101.185.114 A 52.101.91.21 A 52.101.181.156 AAAA 2a01:111:f403:ca04::c AAAA 2a01:111:f403:ca48::c AAAA 2a01:111:f403:ca09::a AAAA 2a01:111:f403:ca09::28mail-am7pr02cu00300.inbound.protection.outlook.com ✓ mail-zrxpr04cu00102.inbound.protection.outlook.com ✓ mail-matpr05cu00105.inbound.protection.outlook.com ✓ mail-wa4pr05cu00104.inbound.protection.outlook.com ✓ mail-db9pr02cu00204.inbound.protection.outlook.com ✓ mail-miypr03cu00104.inbound.protection.outlook.com ✓ mail-am7pr02cu00202.inbound.protection.outlook.com ✓ mail-am6pr02cu00300.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.
  • ✓ All hosts have IPv6 #11
    All MX records resolve to IPv6 addresses.
  • !
    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.
  • ✓ Reverse DNS confirmed #30
    All 8 MX addresss have a PTR record that resolves back to them.

TLS

info

MTA-STS enforce · TLS-RPT · DANE on 0 of 1 MX hosts

Found

MTA-STS record
v=STSv1; id=20251028T002126Z
Policy URL
https://mta-sts.consultancy.nl/.well-known/mta-sts.txt
Mode
enforce
Allowed MX
*.mail.protection.outlook.com
Max age
604800 seconds
TLS-RPT record
v=TLSRPTv1; rua=mailto:tlsrpt@blliz.nl

DANE (TLSA records)

MX hostTLSADNSSEC
consultancy-nl.mail.protection.outlook.comnone-

Checks

  • ✓ Record published #32
    MTA-STS record found with id 20251028T002126Z.
  • ✓ Policy enforced #33
    The MTA-STS policy is enforced and cached for 168h0m0s.
  • ✓ All MX hosts covered #34
    Every MX host matches an mx: line of the MTA-STS policy.
  • ✓ Reports enabled #35
    TLS reports are sent to: mailto:tlsrpt@blliz.nl
  • 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