b-kmfg.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago

Domain

b-kmfg.com

Valid Email Server

Yes

Has MX Records

✓ Yes

Email Provider

Unknown

Disposable

Free Provider

Role Account

⚠ Yes

Email Relay

Privacy Protected

Checked via [email protected] · 2026-03-25 15:08:03 UTC · ↺ Refresh

MX Hostnames

bkaerospace.mail.protection.office365.us

MX Priorities

bkaerospace.mail.protection.office365.us: 0

A / AAAA Records

66.175.58.9 ↩ hostedc38.carrierzone.com

Mail Server IPs

23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
2001:489a:2202:4::10 ↩ mail-bn3usg020010.inbound.protection.outlook.com
2001:489a:2202:5::10 ↩ mail-cy1usg020010.inbound.protection.outlook.com

SOA Record

                  Raw SOA
                  ns1.carrierzone.com postmaster.carrierzone.com 2025060920 86400 86400 3600000 86400                

Primary NS (mname)

ns1.carrierzone.com

Admin Email (rname)

postmaster@carrierzone.com

Serial

2025060920

Refresh

86400s

Retry

86400s

Expire

3600000s

Minimum TTL

86400s

Nameservers (NS)

                      ns4.carrierzone.com                    

                      ns1.carrierzone.com                    

                      ns2.carrierzone.com                    

                      ns3.carrierzone.com                    

SPF Record

✓ Soft Fail (~all)

                    v=spf1 include:spf.protection.office365.us include:spfc38.carrierzone.com ~all                  

📊 DNS lookups: 2/10

~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found

                      selector1._domainkey
                    

                      selector2._domainkey
                    

✓ Public key: 392 chars (valid)

✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records

SPFv=spf1 include:spf.protection.office365.us include:spfc38.carrierzone.com ~all
MS=ms42404254
MS=ms61109530

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