Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lattc.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 10:24:02 UTC · ↺ Refresh
MX Hostnames
- lattc-edu.mail.protection.outlook.com
MX Priorities
- lattc-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 13.107.246.40 (no PTR)
- 13.107.213.40 (no PTR)
Mail Server IPs
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-08.azure-dns.com azuredns-hostmaster.microsoft.com 2025100301 3600 300 2419200 300
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2025100301
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1-08.azure-dns.com
ns2-08.azure-dns.net
ns3-08.azure-dns.org
ns4-08.azure-dns.info
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:204.102.73.119 ip4:207.62.63.203/32 ip4:204.102.73.44/32 ip4:198.188.57.111/32 ip4:198.188.57.112/32 ip4:199.36.164.0/22 include:spf.protection.outlook.com include:amazonses.com include:verifymyfafsa.com include:spf.blackboardconnect.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=86400; aspf=r; adkim=r; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
7 records- amazonses:3S28ubW492ogSOFJ5KrWFc58HQErcZiSQeg5x26X9YA=
- SPFv=spf1 mx ip4:204.102.73.119 ip4:207.62.63.203/32 ip4:204.102.73.44/32 ip4:198.188.57.111/32 ip4:198.188.57.112/32 ip4:199.36.164.0/22 include:spf.protection.outlook.com include:amazonses.com include:verifymyfafsa.com include:spf.blackboardconnect.com ~all
- apple-domain-verification=dZzFZLTKfe5ewMGW
- MS=ms40543465
- MS=ms74982412
- fh057ekUdGFAwgg3kEFxAHv6lQ6RW8Q2JlJTjUw1GWzbyrsErMgBf5AsjwSpJDGQrH2rtHtEmjDj91vVjMgGdw==
- 5a44170d14b45084bff250a996cdd1fb414193108f208d6f7557192e771e7753
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for lattc.edu
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits