Mail domain report: reservistenverband.de

SPF

pass

SPF record published

Found

Record: v=spf1 mx a:www102.gruen.net ip4:217.239.244.130 ip4:62.112.72.102 include:spf.protection.outlook.com include:spf.nl2go.com include:inc.emailr.com ~all
DNS lookups: 8 of 10
Void lookups: 0 of 2

Checks

✓ No deprecated ptr mechanism #1

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

SPF record needs 8 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.reservistenverband.de)

Found

Record: v=DMARC1;p=reject;rua=mailto:b51b06a377@rua.easydmarc.us;ruf=mailto:b51b06a377@ruf.easydmarc.us;fo=1;
Found at: _dmarc.reservistenverband.de
External report address: mailto:b51b06a377@rua.easydmarc.us (authorized)
External report address: mailto:b51b06a377@ruf.easydmarc.us (authorized)

Tag	Value	Meaning
v	DMARC1	Version
p	reject	Policy
rua	mailto:b51b06a377@rua.easydmarc.us	Aggregate report addresses
ruf	mailto:b51b06a377@ruf.easydmarc.us	Failure report addresses
fo	1	Failure 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:b51b06a377@rua.easydmarc.us
✓ 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

warn

Selectors: selector1

Found

Selectors: selector1
_domainkey: NOERROR

Selector	Key	Flags
selector1	RSA 1024 bits

Checks

✓ Keys found: selector1 #7

DKIM keys found for this domain with selectors: selector1
!

1024-bit DKIM key

1024-bit RSA keys are the minimum and are considered weak today: selector1 (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	reservistenverband-de.mail.protection.outlook.com	A 52.101.73.120 A 52.101.91.162 A 52.101.68.29 A 52.101.68.8 AAAA 2a01:111:f403:ca04::f AAAA 2a01:111:f403:ca09::24 AAAA 2a01:111:f403:ca21::8 AAAA 2a01:111:f403:ca21::c	mail-am7pr02cu00300.inbound.protection.outlook.com ✓ mail-matpr04cu00302.inbound.protection.outlook.com ✓ mail-dbapr03cu00105.inbound.protection.outlook.com ✓ mail-du0pr03cu00100.inbound.protection.outlook.com ✓ mail-db7pr03cu00507.inbound.protection.outlook.com ✓ mail-am6pr02cu00204.inbound.protection.outlook.com ✓ mail-matpr04cu00100.inbound.protection.outlook.com ✓ mail-matpr04cu00204.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=20240313T065721;
Policy URL: https://mta-sts.reservistenverband.de/.well-known/mta-sts.txt
Mode: enforce
Allowed MX: reservistenverband-de.mail.protection.outlook.com
Max age: 31449600 seconds
TLS-RPT record: v=TLSRPTv1; rua=mailto:b51b06a377@tls.easydmarc.com;

DANE (TLSA records)

MX host	TLSA	DNSSEC
reservistenverband-de.mail.protection.outlook.com	none	-

Checks

✓ Record published #32

MTA-STS record found with id 20240313T065721.
✓ Policy enforced #33

The MTA-STS policy is enforced and cached for 8736h0m0s.
✓ 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:b51b06a377@tls.easydmarc.com
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