bryancountyso.org: 79/100 (C)

bryancountyso.org

Score 79/100 · 1 failing, 3 warnings

Mail provider: Microsoft 365

Check another domain Re-scan

Scanned 4 days ago. Re-scan for a fresh result after a fix.

Issues to fix

failNo DMARC record: receivers have no policy for handling unauthenticated mail.→
warnPartial bulk-sender setup, missing DMARC. Gmail/Yahoo and Microsoft require all three for 5,000+ messages/day.→
warnNo TLS-RPT reporting address. TLS delivery failures go unreported.→
warnBanner hostname does not match reverse DNS.→

Results

01Mail exchangers (MX)A

pass

1 MX record(s) found.

records

preference	exchange	ttl
0	bryancountyso-org.mail.protection.outlook.com	3600

info

Only one MX host, a secondary MX adds delivery resilience.

02Mail providerA

info

Mail provider: Microsoft 365.

provider microsoft365

03SPFA

pass

SPF record present.

record v=spf1 include:spf.protection.outlook.com -all

pass

SPF uses 1 of the 10 permitted DNS lookups.

RFC 7208 §4.6.4

lookups 1

pass

-all default policy.

RFC 7208

04DKIMA

pass

Selector selector1 key is ~2048-bit.

selector selector1

record v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w…IDAQAB;

bits 2048

05DMARCC

fail

No DMARC record: receivers have no policy for handling unauthenticated mail.

RFC 9989

06DNS healthA

pass

2 nameservers published.

RFC 2182

count 2

pass

SOA timers are sane.

RFC 1912

mname ns13.domaincontrol.com.

rname dns.jomax.net.

refresh 28800

retry 7200

expire 604800

minimum 600

info

Zone is not DNSSEC-signed.

RFC 9364

07BlacklistsA

info

IPv6 MX addresses are not checked against IP DNSBLs.

pass

52.101.50.7 is not listed on GBUdb Truncate.

target 52.101.50.7

list GBUdb Truncate

pass

52.101.10.12 is not listed on GBUdb Truncate.

target 52.101.10.12

list GBUdb Truncate

pass

52.101.41.28 is not listed on GBUdb Truncate.

target 52.101.41.28

list GBUdb Truncate

pass

52.101.9.2 is not listed on GBUdb Truncate.

target 52.101.9.2

list GBUdb Truncate

pass

52.101.10.12 is not listed on SpamCop.

target 52.101.10.12

list SpamCop

pass

52.101.9.2 is not listed on SpamCop.

target 52.101.9.2

list SpamCop

pass

52.101.50.7 is not listed on SpamCop.

target 52.101.50.7

list SpamCop

pass

52.101.41.28 is not listed on SpamCop.

target 52.101.41.28

list SpamCop

pass

52.101.10.12 is not listed on Spamhaus ZEN.

target 52.101.10.12

list Spamhaus ZEN

pass

52.101.50.7 is not listed on PSBL.

target 52.101.50.7

list PSBL

pass

52.101.41.28 is not listed on Spamhaus ZEN.

target 52.101.41.28

list Spamhaus ZEN

pass

bryancountyso.org is not listed on Spamhaus ZRD.

target bryancountyso.org

list Spamhaus ZRD

pass

bryancountyso.org is not listed on Spamhaus DBL.

target bryancountyso.org

list Spamhaus DBL

pass

52.101.41.28 is not listed on Spamhaus AuthBL.

target 52.101.41.28

list Spamhaus AuthBL

pass

52.101.50.7 is not listed on Spamhaus AuthBL.

target 52.101.50.7

list Spamhaus AuthBL

pass

52.101.10.12 is not listed on Spamhaus AuthBL.

target 52.101.10.12

list Spamhaus AuthBL

pass

52.101.9.2 is not listed on Spamhaus AuthBL.

target 52.101.9.2

list Spamhaus AuthBL

pass

52.101.10.12 is not listed on PSBL.

target 52.101.10.12

list PSBL

pass

52.101.9.2 is not listed on PSBL.

target 52.101.9.2

list PSBL

pass

52.101.41.28 is not listed on PSBL.

target 52.101.41.28

list PSBL

pass

52.101.50.7 is not listed on Spamhaus ZEN.

target 52.101.50.7

list Spamhaus ZEN

pass

52.101.9.2 is not listed on Spamhaus ZEN.

target 52.101.9.2

list Spamhaus ZEN

08Bulk sending readinessA

warn

Partial bulk-sender setup, missing DMARC. Gmail/Yahoo and Microsoft require all three for 5,000+ messages/day.

spf true

dkim true

dmarc false

threshold 5,000 messages/day

info

One-click List-Unsubscribe is a message-level header. Verify by sending a test message.

09TLSA

info

No DANE/TLSA records. DANE is not deployed for these mail servers.

RFC 7672

hosts bryancountyso-org.mail.protection.outlook.com

pass

Negotiated TLSv1.3.

RFC 8996

tls_version TLSv1.3

host bryancountyso-org.mail.protection.outlook.com

pass

Certificate valid for 162 more day(s).

not_after 2027-01-14T23:59:59+00:00

host bryancountyso-org.mail.protection.outlook.com

pass

Certificate covers bryancountyso-org.mail.protection.outlook.com.

RFC 6125

names mail.protection.outlook.com, *.mail.eo.outlook.com, *.mail.protection.outlook.com, mail.messaging.microsoft.com, outlook.com, *.olc.protection.outlook.com, *.pamx1.hotmail.com, *.mail.protection.outlook.de, *.mx.microsoft, *.k-v1.mx.microsoft, *.n-v1.mx.microsoft, *.q-v1.mx.microsoft, *.y-v1.mx.microsoft, *.d-v1.mx.microsoft, *.e-v1.mx.microsoft, *.a-v1.mx.microsoft, *.r-v1.mx.microsoft, *.w-v1.mx.microsoft, *.p-v1.mx.microsoft, *.x-v1.mx.microsoft, *.j-v1.mx.microsoft, *.s-v1.mx.microsoft, *.c-v1.mx.microsoft, *.b-v1.mx.microsoft, *.f-v1.mx.microsoft, *.i-v1.mx.microsoft, *.t-v1.mx.microsoft, *.m-v1.mx.microsoft, *.o-v1.mx.microsoft, *.g-v1.mx.microsoft, *.v-v1.mx.microsoft, *.h-v1.mx.microsoft, *.l-v1.mx.microsoft, *.u-v1.mx.microsoft

host bryancountyso-org.mail.protection.outlook.com

pass

Server presented a 2-certificate chain.

chain_len 2

host bryancountyso-org.mail.protection.outlook.com

10MTA-STSA

info

No MTA-STS policy. Inbound mail is delivered without enforced TLS.

RFC 8461

warn

No TLS-RPT reporting address. TLS delivery failures go unreported.

RFC 8460

11BIMIA

info

No BIMI record. No brand logo is published for inboxes with BIMI support.

BIMI draft

SMTP (live probe)

info

No DANE/TLSA records. DANE is not deployed for these mail servers.

RFC 7672

hosts bryancountyso-org.mail.protection.outlook.com

pass

1 of 1 MX host(s) reachable on port 25.

RFC 5321

reachable bryancountyso-org.mail.protection.outlook.com

unreachable (none)

pass

Greeting is 220 with a hostname (MW1PEPF0001615C.mail.protection.outlook.com).

RFC 5321

banner 220 MW1PEPF0001615C.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Wed, 5 Aug 2026 21:09:16 +0000 [08DEEF32867A9AFD]

warn

Banner hostname does not match reverse DNS.

banner_fqdn MW1PEPF0001615C.mail.protection.outlook.com

ptr mail-co1pr21cu00207.inbound.protection.outlook.com

pass

EHLO accepted with 8 extension(s).

RFC 5321

extensions 8BITMIME, BINARYMIME, CHUNKING, DSN, ENHANCEDSTATUSCODES, PIPELINING, SIZE, SMTPUTF8

pass

Server advertises SMTPUTF8, so it accepts internationalized (EAI) email addresses.

RFC 6531

pass

STARTTLS is advertised in EHLO.

RFC 3207

pass

STARTTLS negotiated a working TLS session.

RFC 3207

tls_version TLSv1.3

pass

Negotiated TLSv1.3.

RFC 8996

tls_version TLSv1.3

host bryancountyso-org.mail.protection.outlook.com

pass

Certificate valid for 162 more day(s).

not_after 2027-01-14T23:59:59+00:00

host bryancountyso-org.mail.protection.outlook.com

pass

Certificate covers bryancountyso-org.mail.protection.outlook.com.

RFC 6125

host bryancountyso-org.mail.protection.outlook.com

pass

Server presented a 2-certificate chain.

chain_len 2

host bryancountyso-org.mail.protection.outlook.com

pass

Server refused external relay, as expected.

RFC 5321

reply 501 5.1.5 Recipient address reserved by RFC 2606 [MW1PEPF0001615C.namprd21.prod.outlook.com 2026-08-05T21:09:19.117Z 08DEEF32867A9AFD]

pass

Server accepts the null sender (MAIL FROM:<>), so bounces and DSNs can be delivered.

RFC 5321

reply 250 2.1.0 Sender OK

About this report

This report grades the email and DNS setup of bryancountyso.org against the relevant RFCs. Each check links to the standard behind the rule. A high grade means the common causes of spoofing and poor deliverability are covered. A grade is not a guarantee that every message reaches the inbox.

Frequently asked questions

What does the grade mean?

The grade summarizes how completely the domain implements the core email authentication and DNS standards. A and B mean the main protections (SPF, DKIM, DMARC, valid MX) are in place. Lower grades flag gaps that make spoofing easier or hurt deliverability. A missing MX record caps the grade at F, a weak SPF all-qualifier caps at D, and no DMARC caps at C.

How fresh is this report?

A report is a snapshot from when it was last scanned, kept as a shareable link. If you are fixing your setup, use the Re-scan button to run every check live again.

Why is the SMTP section still loading?

The live SMTP probe connects to the mail servers from a dedicated prober, which takes a few seconds and runs separately from the DNS checks. The results stream in when ready. If SMTP was not requested for this report, that section stays empty.

I own this domain and want to stop scan.mx checking it.

Domain owners can block scanning by publishing a DNS TXT record; see the opt-out page.

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