Mail domain report: vab.be

SPF

pass

SPF record published

Found

Record: v=spf1 ip4:84.199.66.5 ip4:84.199.66.14 ip4:185.56.145.25 a:mailout.hr-technologies.com include:spf.protection.outlook.com include:servers.mcsv.net include:spf.topdesk.net include:spf.totaalholding.nl include:spf.us.exclaimer.net -all
DNS lookups: 6 of 10
Void lookups: 0 of 2

Checks

✓ No deprecated ptr mechanism #1

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

SPF record needs 6 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

warn

p=reject (_dmarc.vab.be)

Found

Record: v=DMARC1; p=reject;
Found at: _dmarc.vab.be

Tag	Value	Meaning
v	DMARC1	Version
p	reject	Policy

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.
!

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'.

DKIM

warn

Selectors: default, k1, selector1, selector2, s1, s2

Found

Selectors: default, k1, selector1, selector2, s1, s2
_domainkey: NOERROR

Selector	Key	Flags
default	RSA 2048 bits
k1	RSA 1024 bits
selector1	RSA 2048 bits
selector2	RSA 2048 bits
s1	RSA 2048 bits
s2	RSA 2048 bits

Checks

✓ Keys found: default, k1, selector1, selector2, s1, s2 #7

DKIM keys found for this domain with selectors: default, k1, selector1, selector2, 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

warn

Not signed

Found

DNSKEY records: No (0)
DS at parent: No

Checks

!

Not enabled

DNSSEC is not enabled for this domain. Consider enabling DNSSEC to protect against DNS spoofing attacks.

#8

MX

warn

1 mail server

Found

Priority	Host	Records	Reverse DNS
0	vab-be.mail.protection.outlook.com	A 52.101.73.153 A 52.101.68.8 A 52.101.181.156 A 52.101.68.25	mail-as8pr05cu00401.inbound.protection.outlook.com ✓ mail-du0pr03cu00100.inbound.protection.outlook.com ✓ mail-wa4pr05cu00104.inbound.protection.outlook.com ✓ mail-db8pr02cu00101.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.
!

Hosts without IPv6

The following MX hosts could not be resolved to IPv6 addresses: vab-be.mail.protection.outlook.com

#11
!

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 4 MX addresss have a PTR record that resolves back to them.

TLS

info

no MTA-STS · no TLS-RPT · DANE on 0 of 1 MX hosts

Found

DANE (TLSA records)

MX host	TLSA	DNSSEC
vab-be.mail.protection.outlook.com	none	-

Lookup error: DNS query for _mta-sts.vab.be returned SERVFAIL

Checks

i

Could not be checked

The MTA-STS lookup failed, so this could not be checked: DNS query for _mta-sts.vab.be returned SERVFAIL

#32
i

Not configured

TLS-RPT lets senders report TLS delivery problems to you. It is most useful together with MTA-STS or DANE.

#35
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

DNS query for default._bimi.vab.be returned SERVFAIL

Checks

i

Could not be checked

The BIMI lookup failed, so this could not be checked: DNS query for default._bimi.vab.be returned SERVFAIL

#38