Mail domain report: atgtickets.de

SPF

pass

SPF record published

Found

Record: v=spf1 include:_u.atgtickets.de._spf.smart.ondmarc.com ~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

pass

p=reject (_dmarc.atgtickets.de)

Found

Record: v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:6cddd96c@inbox.eu.redsift.cloud; ruf=mailto:6cddd96c@inbox.eu.redsift.cloud; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
Found at: _dmarc.atgtickets.de
External report address: mailto:6cddd96c@inbox.eu.redsift.cloud (authorized)

Tag	Value	Meaning
v	DMARC1	Version
p	reject	Policy
sp	reject	Subdomain policy
pct	100	Percentage of mail the policy applies to
rua	mailto:6cddd96c@inbox.eu.redsift.cloud	Aggregate report addresses
ruf	mailto:6cddd96c@inbox.eu.redsift.cloud	Failure report addresses
adkim	r	DKIM alignment (r = relaxed, s = strict)
aspf	r	SPF alignment (r = relaxed, s = strict)
fo	1	Failure reporting options
rf	afrf	Failure report format
ri	3600	Report interval (seconds)

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:6cddd96c@inbox.eu.redsift.cloud
✓ 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: mail, selector1, selector2, s1, s2

Found

Selectors: mail, selector1, selector2, s1, s2
_domainkey: NOERROR

Selector	Key	Flags
mail	RSA 2048 bits
selector1	RSA 2048 bits
selector2	RSA 2048 bits
s1	RSA 2048 bits
s2	RSA 2048 bits

Checks

✓ Keys found: mail, selector1, selector2, s1, s2 #7

DKIM keys found for this domain with selectors: mail, selector1, selector2, s1, s2
✓ Strong keys #23

DKIM keys are strong enough: mail: RSA 2048 bits; selector1: RSA 2048 bits; selector2: RSA 2048 bits; s1: RSA 2048 bits; s2: RSA 2048 bits.
✓ 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

2 mail servers

Found

Priority	Host	Records	Reverse DNS
10	eu-smtp-inbound-1.mimecast.com	A 195.130.217.241 A 91.220.42.201 A 195.130.217.211 A 91.220.42.241 A 91.220.42.211 A 195.130.217.201	eu-smtp-inbound-1.mimecast.com ✓ eu-smtp-inbound-1.mimecast.com ✓ eu-smtp-inbound-2.mimecast.com ✓ eu-smtp-inbound-1.mimecast.com ✓ eu-smtp-inbound-2.mimecast.com ✓ eu-smtp-inbound-2.mimecast.com ✓
10	eu-smtp-inbound-2.mimecast.com	A 195.130.217.201 A 195.130.217.211 A 91.220.42.201 A 91.220.42.241 A 195.130.217.241 A 91.220.42.211	eu-smtp-inbound-2.mimecast.com ✓ eu-smtp-inbound-1.mimecast.com ✓ eu-smtp-inbound-2.mimecast.com ✓ eu-smtp-inbound-1.mimecast.com ✓ eu-smtp-inbound-2.mimecast.com ✓ eu-smtp-inbound-2.mimecast.com ✓

Checks

✓ 2 MX records #9

Found 2 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: eu-smtp-inbound-1.mimecast.com, eu-smtp-inbound-2.mimecast.com

#11
✓ 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 12 MX addresss have a PTR record that resolves back to them.

TLS

warn

MTA-STS testing · TLS-RPT · DANE on 0 of 2 MX hosts

Found

MTA-STS record: v=STSv1; id=1709895123742
Policy URL: https://mta-sts.atgtickets.de/.well-known/mta-sts.txt
Mode: testing
Allowed MX: eu-smtp-inbound-2.mimecast.com, eu-smtp-inbound-1.mimecast.com
Max age: 86401 seconds
TLS-RPT record: v=TLSRPTv1; rua=mailto:6cddd96c@inbox.eu.redsift.cloud;

DANE (TLSA records)

MX host	TLSA	DNSSEC
eu-smtp-inbound-1.mimecast.com	none	-
eu-smtp-inbound-2.mimecast.com	none	-

Checks

✓ Record published #32

MTA-STS record found with id 1709895123742.
!

Policy in testing mode

With mode: testing, senders only report TLS problems (via TLS-RPT) and still deliver without TLS. Switch to mode: enforce once reports are clean.

#33
✓ 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:6cddd96c@inbox.eu.redsift.cloud
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