justinmanagement.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago

Domain

Valid Email Server

Yes

Has MX Records

✓ Yes

Email Provider

Outlook

Disposable

Free Provider

Role Account

⚠ Yes

Email Relay

Privacy Protected

Checked via [email protected] · 2026-03-23 11:20:21 UTC · ↺ Refresh

MX Hostnames

justinmanagement-com.mail.protection.outlook.com

MX Priorities

justinmanagement-com.mail.protection.outlook.com: 0

A / AAAA Records

151.101.194.159 (no PTR)

Mail Server IPs

52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
2a01:111:f403:f903:: (no PTR)
2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com

SOA Record

                  Raw SOA
                  ns1.dotster.com namehost\@worldnic.com 124033119 10800 3600 604800 3600                

Primary NS (mname)

ns1.dotster.com

Admin Email (rname)

namehost\@worldnic@com

Serial

124033119

Refresh

10800s

Retry

3600s

Expire

604800s

Minimum TTL

3600s

Nameservers (NS)

                      ns1.dotster.com                    

                      ns2.dotster.com                    

SPF Record

✓ Strict (-all)

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

📊 DNS lookups: 1/10

✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found

                      dkim._domainkey
                    

✓ Public key: 392 chars (valid)

✓ DKIM properly configured for selector: dkim

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

All TXT Records

3 records

MS=ms75439298
SPFv=spf1 include:spf.protection.outlook.com -all
google-site-verification=l7mMksf1hYo9-lTza62JBkShnDd6aEiaTwFav1qY62U

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