Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rackmountchassis.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 18:45:00 UTC · ↺ Refresh
MX Hostnames
- rackmountchassis-com.mail.protection.outlook.com
MX Priorities
- rackmountchassis-com.mail.protection.outlook.com: 0
A / AAAA Records
- 160.153.0.68 ↩ 68.0.153.160.host.secureserver.net
Mail Server IPs
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
ns47.domaincontrol.com dns.jomax.net 2025040200 28800 7200 604800 600
Primary NS (mname)
ns47.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025040200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns48.domaincontrol.com
ns47.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:secureserver.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- ca3-2f7290ce837b47478b5af1b2a3a86efa
- NETORG5761549.onmicrosoft.com
- SPFv=spf1 include:secureserver.net -all
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