Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
thomas.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 00:23:27 UTC · ↺ Refresh
MX Hostnames
- thomas-edu.mail.protection.outlook.com
MX Priorities
- thomas-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 141.193.213.20 (no PTR)
- 192.124.249.153 ↩ cloudproxy10153.sucuri.net
- 141.193.213.21
Mail Server IPs
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-07.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-07.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-07.azure-dns.org
ns4-07.azure-dns.info
ns1-07.azure-dns.com
ns2-07.azure-dns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:spf.protection.outlook.com include:verifymyfafsa.com include:_spf.messagegears.net include:outboundmail.blackbaud.net IP4:40.117.140.36 IP4:52.191.9.228 IP4:20.231.124.250 IP4:52.168.19.85 IP4:172.191.230.34 -all
📊 DNS lookups: 5/10
DMARC Record
✓ Reject
v=DMARC1;p=reject;fo=1;ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
mail._domainkey
k1._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
6 records- SPFv=spf1 a include:spf.protection.outlook.com include:verifymyfafsa.com include:_spf.messagegears.net include:outboundmail.blackbaud.net IP4:40.117.140.36 IP4:52.191.9.228 IP4:20.231.124.250 IP4:52.168.19.85 IP4:172.191.230.34 -all
- brevo-code:9d8fa39aebfa1d1a19c8da34e0dfdda0
- adobe-idp-site-verification=a08a86a6-19b9-4e20-ac42-1aa3f53675e7
- webexdomainverification.Q4K2=8c6b2199-ad4e-4023-9d02-47e72eb952de
- google-site-verification=axt3GFoLRfSeNql_dkqSyrZK5v1HEDV96NaWgZEAoY8
- ZOOM_verify_CyTjvZ69QKaAd1ESZpSR8Q
Full email verification for thomas.edu
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