Mail domain report: namestar.com

SPF

pass

SPF record published

Found

Record: v=spf1 mx a ip4:206.168.149.58 include:relay.mailbaby.net ip4:74.48.129.0/25 ~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.namestar.com)

Found

Record: v=DMARC1; p=reject; sp=reject; rua=mailto:919e03e5e1ed.a@dmarcinput.com,mailto:32a1786d329b4125842601772c6cb82c@dmarc-reports.cloudflare.net; ruf=mailto:919e03e5e1ed.f@dmarcinput.com; adkim=r; aspf=r; fo=1; pct=100
Found at: _dmarc.namestar.com
External report address: mailto:919e03e5e1ed.a@dmarcinput.com (authorized)
External report address: mailto:32a1786d329b4125842601772c6cb82c@dmarc-reports.cloudflare.net (authorized)
External report address: mailto:919e03e5e1ed.f@dmarcinput.com (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:919e03e5e1ed.a@dmarcinput.com,mailto:32a1786d329b4125842601772c6cb82c@dmarc-reports.cloudflare.net	Aggregate report addresses
ruf	mailto:919e03e5e1ed.f@dmarcinput.com	Failure report addresses
adkim	r	DKIM alignment (r = relaxed, s = strict)
aspf	r	SPF alignment (r = relaxed, s = strict)
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:919e03e5e1ed.a@dmarcinput.com, mailto:32a1786d329b4125842601772c6cb82c@dmarc-reports.cloudflare.net
✓ 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: default, mta

Found

Selectors: default, mta
_domainkey: NOERROR

Selector	Key	Flags
default	RSA 2048 bits
mta	RSA 1024 bits

Checks

✓ Keys found: default, mta #7

DKIM keys found for this domain with selectors: default, mta
!

1024-bit DKIM key

1024-bit RSA keys are the minimum and are considered weak today: mta (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

pass

Signed, DS published at parent

Found

DNSKEY records: Yes (2)
DS at parent: Yes
Algorithms: ECDSAP256SHA256 (13)
Key tags: 34505, 2371
Signatures valid until: 2 December 2026, 04:51 UTC

Checks

✓ Signed, DS published at parent #8

DNSSEC is enabled for this domain (DNSKEY and DS present), providing additional security for DNS lookups.
✓ Signatures valid until 2026-12-02 #21

DNSKEY signatures are valid until 2026-12-02T04:51:15Z.

MX

warn

1 mail server

Found

Priority	Host	Records	Reverse DNS
1	fiber23-r.iaasdns.com	A 206.168.149.58	fiber23-r.iaasdns.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: fiber23-r.iaasdns.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

info

MTA-STS enforce · TLS-RPT · DANE on 0 of 1 MX hosts

Found

MTA-STS record: v=STSv1; id=1759240703;
Policy URL: https://mta-sts.namestar.com/.well-known/mta-sts.txt
Mode: enforce
Allowed MX: fiber23-r.iaasdns.com, mail.namestar.com
Max age: 86400 seconds
TLS-RPT record: v=TLSRPTv1; rua=mailto:919e03e5e1ed.m@dmarcinput.com

DANE (TLSA records)

MX host	TLSA	DNSSEC
fiber23-r.iaasdns.com	none	-

Checks

✓ Record published #32

MTA-STS record found with id 1759240703.
✓ Policy enforced #33

The MTA-STS policy is enforced and cached for 24h0m0s.
✓ 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:919e03e5e1ed.m@dmarcinput.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