Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
americaninstitute.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 09:16:05 UTC · ↺ Refresh
MX Hostnames
- americaninstitute-edu.mail.protection.outlook.com
MX Priorities
- americaninstitute-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-382.awsdns-47.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-382.awsdns-47.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-382.awsdns-47.com
ns-588.awsdns-09.net
ns-1439.awsdns-51.org
ns-1777.awsdns-30.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:144.121.211.146/29 ip4:131.239.170.136/29 ip4:63.134.156.110 ip4:75.150.108.194 ip4:96.240.102.101 ip4:72.76.245.15 ip4:50.192.254.125 ip4:71.172.1.66 ip4:96.248.71.26 ip4:108.41.23.50
📊 DNS lookups: 0/10
DMARC Record
✗ p=none
v=DMARC1; p=none;rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
3 records- include:spf.mandrillapp.com include:spf.happyfox.com include:spf.protection.outlook.com ~all
- a7c015ce-2eda-4165-9b76-440a82c60522
- SPFv=spf1 ip4:144.121.211.146/29 ip4:131.239.170.136/29 ip4:63.134.156.110 ip4:75.150.108.194 ip4:96.240.102.101 ip4:72.76.245.15 ip4:50.192.254.125 ip4:71.172.1.66 ip4:96.248.71.26 ip4:108.41.23.50
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