Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gtalumni.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 05:47:20 UTC · ↺ Refresh
MX Hostnames
- gtalumni-org.mail.protection.outlook.com
MX Priorities
- gtalumni-org.mail.protection.outlook.com: 0
A / AAAA Records
- 128.61.197.10 ↩ gtalumni.org
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.gatech.edu hostmaster.gatech.edu 343 3600 600 1209600 3600
Primary NS (mname)
dns1.gatech.edu
Admin Email (rname)
hostmaster@gatech.edu
Serial
343
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 ip4:167.89.55.153 ip4:139.146.146.175 ip4:139.146.146.199 ip4:66.151.109.0/24 ip4:50.31.156.96/27 ip4:104.245.209.192/26 ip4:50.31.205.0/24 ip4:72.50.228.0/24 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
4 records- SPFv=spf1 ip4:167.89.55.153 ip4:139.146.146.175 ip4:139.146.146.199 ip4:66.151.109.0/24 ip4:50.31.156.96/27 ip4:104.245.209.192/26 ip4:50.31.205.0/24 ip4:72.50.228.0/24 include:spf.gatech.edu -all
- google-site-verification=e5GR3Xl77xHyR_EGCjvG9vmR5jWJq9LHIRLEOXRtQ8g
- MS=ms87453849
- facebook-domain-verification=uqwv0ahicghx0et6bi70o0nbkwg0q3
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