Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ohr.gatech.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 18:26:10 UTC · ↺ Refresh
MX Hostnames
- ohr-gatech-edu.mail.protection.outlook.com
MX Priorities
- ohr-gatech-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 52.22.200.102 ↩ ec2-52-22-200-102.compute-1.amazonaws.com
- 54.159.50.159 ↩ ec2-54-159-50-159.compute-1.amazonaws.com
Mail Server IPs
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.gatech.edu hostmaster.gatech.edu 94 3600 600 1209600 3600
Primary NS (mname)
dns1.gatech.edu
Admin Email (rname)
hostmaster@gatech.edu
Serial
94
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns3.gatech.edu
dns1.gatech.edu
dns2.gatech.edu
SPF Record
✓ Strict (-all)
v=spf1 include:spf.gatech.edu -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- google-site-verification=EFMgv_ugCjLXzIYyJgxE78Keydg8AkJhmbMszY4Y06U
- jDHL0H7yakN4swYD+UPUnXmGAZ3KDJvfj7EzB8SebGX1lBkE1/302FNN2LLf5NgoE6J091vbyjJ1SiaddKADWg==
- smartsheet-site-validation=_IoULnglHtdf9wPZOyVLp5x48gK3K-9p
- smartsheet-site-validation=pKeUEBdUzYuHl2PauOFfbuusrieplKyf
- SPFv=spf1 include:spf.gatech.edu -all
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