trinityschoolmd.org

Valid Email Server
Domain Lookup › trinityschoolmd.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
trinityschoolmd.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 15:23:22 UTC · ↺ Refresh

MX Hostnames

  • trinityschoolmd-org.mail.protection.outlook.com

MX Priorities

  • trinityschoolmd-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 162.159.135.49 (no PTR)

Mail Server IPs

  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA dns2.namesecure.com namehost.namesecure.com 123020815 10800 3600 604800 3600
Primary NS (mname)
dns2.namesecure.com
Admin Email (rname)
namehost@namesecure.com
Serial
123020815
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns1.namesecure.com
dns2.namesecure.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No 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

1 record
  • SPFv=spf1 include:outlook.com ~all
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