Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alum.mit.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 00:30:56 UTC · ↺ Refresh
MX Hostnames
- alum-mit-edu.mail.protection.outlook.com
MX Priorities
- alum-mit-edu.mail.protection.outlook.com: 100
A / AAAA Records
- 23.214.225.151 ↩ a23-214-225-151.deploy.static.akamaitechnologies.com
Mail Server IPs
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
use2.akam.net network-request.mit.edu 41 3600 900 3600000 3600
Primary NS (mname)
use2.akam.net
Admin Email (rname)
network-request@mit.edu
Serial
41
Refresh
3600s
Retry
900s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns1-173.akam.net
asia2.akam.net
eur5.akam.net
use2.akam.net
use5.akam.net
asia1.akam.net
usw2.akam.net
ns1-37.akam.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:18.7.68.0/24 ip4:18.9.25.0/24 ip4:18.9.28.12 ip4:18.9.63.146 ip4:18.9.63.148 mx:imodules.com include:spf.protection.outlook.com include:aspmx.pardot.com include:sendgrid.net include:email.hivebrite.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate 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
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:18.7.68.0/24 ip4:18.9.25.0/24 ip4:18.9.28.12 ip4:18.9.63.146 ip4:18.9.63.148 mx:imodules.com include:spf.protection.outlook.com include:aspmx.pardot.com include:sendgrid.net include:email.hivebrite.com ~all
- MS=ms76856696
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