diamondbackacr.com

Valid Email Server
Domain Lookup › diamondbackacr.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
diamondbackacr.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 17:49:29 UTC · ↺ Refresh

MX Hostnames

  • diamondbackacr-com.mail.protection.outlook.com
  • us1-smtp-mx2.titanhq.com
  • us1-smtp-mx1.titanhq.com

MX Priorities

  • us1-smtp-mx2.titanhq.com: 0
  • diamondbackacr-com.mail.protection.outlook.com: 1
  • us1-smtp-mx1.titanhq.com: 0

A / AAAA Records

  • 160.153.61.64

Mail Server IPs

  • 18.116.252.179 ↩ us1-smtp-mx1.titanhq.com
  • 18.218.73.72 ↩ us1-smtp-mx1.titanhq.com
  • 18.225.12.231 ↩ us1-smtp-mx1.titanhq.com
  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1

SOA Record

Raw SOA ns39.domaincontrol.com dns.jomax.net 2026020502 28800 7200 604800 600
Primary NS (mname)
ns39.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026020502
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns39.domaincontrol.com
ns40.domaincontrol.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

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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