Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tcsedsystem.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 08:02:17 UTC · ↺ Refresh
MX Hostnames
- tcsedsystem-edu.mail.protection.outlook.com
MX Priorities
- tcsedsystem-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 99.83.160.113 ↩ afc876ef827f8b6d6.awsglobalaccelerator.com
- 15.197.191.128 ↩ afc876ef827f8b6d6.awsglobalaccelerator.com
Mail Server IPs
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1303.awsdns-34.org awsdns-hostmaster.amazon.com 2026022602 7200 900 1209600 86400
Primary NS (mname)
ns-1303.awsdns-34.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
2026022602
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-934.awsdns-52.net
ns-1303.awsdns-34.org
ns-1537.awsdns-00.co.uk
ns-363.awsdns-45.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf1.tcsedsystem.edu include:_spf2.tcsedsystem.edu -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:_spf1.tcsedsystem.edu include:_spf2.tcsedsystem.edu -all
- atlassian-domain-verification=yL3IjE7Y1pQtLAHSHNr6WXDlESx/IURkI6ohx79onWGzWWjajOSe0f7lewfr60r1
Full email verification for tcsedsystem.edu
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