Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tcc.fl.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 03:09:54 UTC · ↺ Refresh
MX Hostnames
- tcc-fl-edu.mail.protection.outlook.com
MX Priorities
- tcc-fl-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 18.207.145.252 ↩ ec2-18-207-145-252.compute-1.amazonaws.com
- 52.44.169.118 ↩ ec2-52-44-169-118.compute-1.amazonaws.com
Mail Server IPs
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-04.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-04.azure-dns.org
ns4-04.azure-dns.info
ns1-04.azure-dns.com
ns2-04.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:168.213.253.253 ip4:209.177.160.9 ip4:209.177.168.2 ip4:209.177.164.2 ip4:209.177.166.2 ip4:209.177.166.34 ip4:168.213.253.77 ip4:168.213.253.19 ip4:168.213.253.20 include:spf.protection.outlook.com include:spf1.tcc.fl.edu -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ 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
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
10 records- e2ma-verification=p8zfb
- facebook-domain-verification=ezhwm9urmf8lefohyenacb0h9ncqko
- google-site-verification=ddr0bG3SpSmAu8Ilq_gGC3wzsXCi4gtGrTy8ORYXx3A
- SPFv=spf1 mx a ip4:168.213.253.253 ip4:209.177.160.9 ip4:209.177.168.2 ip4:209.177.164.2 ip4:209.177.166.2 ip4:209.177.166.34 ip4:168.213.253.77 ip4:168.213.253.19 ip4:168.213.253.20 include:spf.protection.outlook.com include:spf1.tcc.fl.edu -all
- ohnh7ju44o2668guu6etvk2ibe
- ZOOM_verify_oynwee57T-qj6CP7nuB8_w
- docusign=e7c130fb-bcb4-4d99-8456-84f713af7beb
- docusign=11a7ccea-b4a6-4622-a3dc-c852ee3df50e
- google-site-verification=M7d9Tt11bRHZqxYuVbVykKrBvXnoxlQSzpHW8WlhNMY
- apple-domain-verification=m9X4ICJoLRghBCGp
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