Mail domain report: s-sols.com

SPF

pass

SPF record published

Found

Record: v=spf1 a mx include:spf.sendinblue.com include:_spf.mailersend.net -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

warn

p=quarantine (_dmarc.s-sols.com)

Found

Record: v=DMARC1; p=quarantine; rua=mailto:dmarc-autorep@s-sols.com;
Found at: _dmarc.s-sols.com

Tag	Value	Meaning
v	DMARC1	Version
p	quarantine	Policy
rua	mailto:dmarc-autorep@s-sols.com	Aggregate report addresses

Checks

!

Policy: quarantine

DMARC policy is set to 'quarantine'. Consider upgrading to 'reject' for stronger protection once you've verified legitimate emails are passing authentication.

#4
✓ 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-autorep@s-sols.com
✓ Subdomain policy: quarantine #20

Subdomains are covered by policy 'quarantine'.
✓ Report addresses in own domain #29

All report addresses are in your own organizational domain.

DKIM

warn

Selectors: default

Found

Selectors: default
_domainkey: NOERROR

Selector	Key	Flags
default	RSA 1024 bits

Checks

✓ Keys found: default #7

DKIM keys found for this domain with selectors: default
!

1024-bit DKIM key

1024-bit RSA keys are the minimum and are considered weak today: default (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
10	mail.s-sols.com	A 38.242.201.253	s-sols.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: mail.s-sols.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 1 MX address 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=20210227000000
Policy URL: https://mta-sts.s-sols.com/.well-known/mta-sts.txt
Policy error: Get "https://mta-sts.s-sols.com/.well-known/mta-sts.txt": tls: failed to verify certificate: x509: certificate has expired or is not yet valid: current time 2026-10-22T10:33:41Z is after 2023-10-11T23:59:59Z
TLS-RPT record: v=TLSRPTv1; rua=mailto:dmarc-autorep@s-sols.com;

DANE (TLSA records)

MX host	TLSA	DNSSEC
mail.s-sols.com	none	-

Checks

✓ Record published #32

MTA-STS record found with id 20210227000000.
✗

Policy not reachable

The MTA-STS record exists but the policy could not be fetched, so senders ignore MTA-STS: Get "https://mta-sts.s-sols.com/.well-known/mta-sts.txt": tls: failed to verify certificate: x509: certificate has expired or is not yet valid: current time 2026-10-22T10:33:41Z is after 2023-10-11T23:59:59Z.

#33
✓ Reports enabled #35

TLS reports are sent to: mailto:dmarc-autorep@s-sols.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

warn

https://www.s-sols.com/data/companylogo-mail.svg?1

Found

Record: v=BIMI1; l=https://www.s-sols.com/data/companylogo-mail.svg?1;
Found at: default._bimi.s-sols.com
Logo: https://www.s-sols.com/data/companylogo-mail.svg?1

Checks

!

No certificate (a=)

The logo is published without a Verified Mark Certificate. Gmail and Apple Mail only show BIMI logos with a VMC or CMC; Yahoo shows it without one.

#38
✓ DMARC meets BIMI requirements #39

DMARC is enforced on all mail, as BIMI requires.