mtmary.edu

Valid Email Server
Domain Lookup › mtmary.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mtmary.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 05:23:51 UTC · ↺ Refresh

MX Hostnames

  • mtmary-edu.mail.protection.outlook.com
  • smtp.mtmary.edu

MX Priorities

  • mtmary-edu.mail.protection.outlook.com: 10
  • smtp.mtmary.edu: 100

A / AAAA Records

  • 13.58.236.109 ↩ ec2-13-58-236-109.us-east-2.compute.amazonaws.com

Mail Server IPs

  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
  • 74.62.87.83 ↩ famine.mtmary.edu

SOA Record

Raw SOA ns1.mtmary.edu postmaster.mtmary.edu 2026031001 7200 1800 604800 86400
Primary NS (mname)
ns1.mtmary.edu
Admin Email (rname)
postmaster@mtmary.edu
Serial
2026031001
Refresh
7200s
Retry
1800s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.mtmary.edu

SPF Record

✓ Strict (-all)
v=spf1 ip4:4.35.99.19 ip4:74.62.87.83 ip4:162.242.166.172 ip4:169.47.152.228 ip4:169.47.152.229 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 ip4:4.35.99.19 ip4:74.62.87.83 ip4:162.242.166.172 ip4:169.47.152.228 ip4:169.47.152.229 include:spf.protection.outlook.com -all
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