Mail domain report: puppet.com

SPF

pass

SPF record published

Found

Record: v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:_spf.google.com include:_spfblock.salesforce.com ip4:194.46.129.148 ip4:213.120.212.50 ip4:192.28.148.112 ip4:208.86.168.7 ip4:135.84.68.123 ip4:206.152.14.54 -all
DNS lookups: 5 of 10
Void lookups: 0 of 2

Checks

✓ No deprecated ptr mechanism #1

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

SPF record needs 5 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.puppet.com)

Found

Record: v=DMARC1; p=reject; pct=100; rua=mailto:ymkfzyr1@ag.dmarcian.com; ruf=mailto:ymkfzyr1@fr.dmarcian.com; fo=1; adkim=s; aspf=s; rf=afrf; ri=86400
Found at: _dmarc.puppet.com
External report address: mailto:ymkfzyr1@ag.dmarcian.com (authorized)
External report address: mailto:ymkfzyr1@fr.dmarcian.com (authorized)

Tag	Value	Meaning
v	DMARC1	Version
p	reject	Policy
pct	100	Percentage of mail the policy applies to
rua	mailto:ymkfzyr1@ag.dmarcian.com	Aggregate report addresses
ruf	mailto:ymkfzyr1@fr.dmarcian.com	Failure report addresses
adkim	s	DKIM alignment (r = relaxed, s = strict)
aspf	s	SPF alignment (r = relaxed, s = strict)
fo	1	Failure reporting options
rf	afrf	Failure report format
ri	86400	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:ymkfzyr1@ag.dmarcian.com
✓ 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, google, s1, s2

Found

Selectors: selector1, google, s1, s2
_domainkey: NOERROR

Selector	Key	Flags
selector1	RSA 2048 bits
google	RSA 2048 bits
s1	RSA 2048 bits
s2	RSA 1024 bits

Checks

✓ Keys found: selector1, google, s1, s2 #7

DKIM keys found for this domain with selectors: selector1, google, s1, s2
!

1024-bit DKIM key

1024-bit RSA keys are the minimum and are considered weak today: s2 (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	puppet-com.mail.protection.outlook.com	A 52.101.60.71 A 52.101.50.1 A 52.101.202.156 A 52.101.41.24 AAAA 2a01:111:f403:f807:: AAAA 2a01:111:f403:c902::3 AAAA 2a01:111:f403:c922::2 AAAA 2a01:111:f403:c927::7	mail-bn0pr02cu00307.inbound.protection.outlook.com ✓ mail-co1pr05cu00401.inbound.protection.outlook.com ✓ mail-ph8pr21cu00204.inbound.protection.outlook.com ✓ mail-sj0pr03cu01600.inbound.protection.outlook.com ✓ mail-co1pr02cu00200.inbound.protection.outlook.com ✓ mail-sj0pr03cu01703.inbound.protection.outlook.com ✓ mail-bl0pr02cu00702.inbound.protection.outlook.com ✓ mail-bn0pr04cu00907.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

fail

MTA-STS record without policy · TLS-RPT · DANE on 0 of 1 MX hosts

Found

MTA-STS record: v=STSv1; id=20231128151144
Policy URL: https://mta-sts.puppet.com/.well-known/mta-sts.txt
Policy error: Get "https://mta-sts.puppet.com/.well-known/mta-sts.txt": http: server gave HTTP response to HTTPS client
TLS-RPT record: v=TLSRPTv1; rua=mailto:ymkfzyr1@tls.us.dmarcian.com

DANE (TLSA records)

MX host	TLSA	DNSSEC
puppet-com.mail.protection.outlook.com	none	-

Checks

✓ Record published #32

MTA-STS record found with id 20231128151144.
✗

Policy not reachable

The MTA-STS record exists but the policy could not be fetched, so senders ignore MTA-STS: Get "https://mta-sts.puppet.com/.well-known/mta-sts.txt": http: server gave HTTP response to HTTPS client.

#33
✓ Reports enabled #35

TLS reports are sent to: mailto:ymkfzyr1@tls.us.dmarcian.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