Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tctc.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 21:11:36 UTC · ↺ Refresh
MX Hostnames
- tctc-edu.mail.protection.outlook.com
MX Priorities
- tctc-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 199.74.15.45 (no PTR)
Mail Server IPs
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns11.domaincontrol.com dns.jomax.net 2026032310 28800 7200 604800 600
Primary NS (mname)
pdns11.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026032310
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
pdns11.domaincontrol.com
pdns12.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:_spf1.tctc.edu include:_spf2.tctc.edu include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
7 records- google-site-verification=Don3SAGNPLODRfTqoZtouuRDc6qMTN78yhye1HI1xQE
- adobe-idp-site-verification=1454c586a9848ca6daa373cf6a113c2ef9bca9948b027e6dc5191c8bfa6175ca
- apple-domain-verification=kum8RbIyUmoKVr0r
- SPFv=spf1 mx include:_spf1.tctc.edu include:_spf2.tctc.edu include:spf.protection.outlook.com ~all
- cisco-ci-domain-verification=694f9f368680cbf4ff17fb0cbe38e8cbd14d70ddf37b24c9312fec2c9e66c266
- jcq4k1io0vk52fs7b11oq1krkd
- 00D8Z000001sTg8=1TBVb00000000mP
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