Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aidt.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 01:38:04 UTC · ↺ Refresh
MX Hostnames
- aidt-edu.mail.protection.outlook.com
MX Priorities
- aidt-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
SOA Record
Raw SOA
dns3.aidt.edu blake_higdon.aidt.edu 2025102501 3600 600 604800 38400
Primary NS (mname)
dns3.aidt.edu
Admin Email (rname)
blake_higdon@aidt.edu
Serial
2025102501
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
38400s
Nameservers (NS)
dns4.aidt.edu
dns3.aidt.edu
dns5.aidt.edu
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.211.32.0/21 ip4:192.211.40.0/22 ip4:192.211.44.0/23 mx a:mail.aidt.edu include:_spf.prod.hydra.sophos.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:sendgrid.net include:spf.constantcontact.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
mail._domainkey
dkim._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- asploi3r623offuf4b4ua0jb08
- apple-domain-verification=eVfbwx9uRvw4crXh
- SPFv=spf1 ip4:192.211.32.0/21 ip4:192.211.40.0/22 ip4:192.211.44.0/23 mx a:mail.aidt.edu include:_spf.prod.hydra.sophos.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:sendgrid.net include:spf.constantcontact.com -all
- sophos-domain-verification=3babbfed1bf51c2232cc358cb969e6dbdd1f207b
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