trinity1.com

Valid Email Server
Domain Lookup › trinity1.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
trinity1.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 12:35:08 UTC · ↺ Refresh

MX Hostnames

  • trinity1-com.mail.protection.outlook.com

MX Priorities

  • trinity1-com.mail.protection.outlook.com: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.domain.com dnsadmin.domain.com 2012081901 10800 3600 604800 3600
Primary NS (mname)
ns1.domain.com
Admin Email (rname)
dnsadmin@domain.com
Serial
2012081901
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.domain.com
ns2.domain.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
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

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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