Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lahc.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 01:02:36 UTC · ↺ Refresh
MX Hostnames
- lahc-edu.mail.protection.outlook.com
MX Priorities
- lahc-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 13.107.253.41 (no PTR)
- 13.107.226.41 (no PTR)
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-36.azure-dns.com azuredns-hostmaster.microsoft.com 2025101401 3600 300 2419200 300
Primary NS (mname)
ns1-36.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2025101401
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-36.azure-dns.info
ns1-36.azure-dns.com
ns2-36.azure-dns.net
ns3-36.azure-dns.org
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:204.102.73.119 ip4:207.62.63.138 ip4:207.62.63.139 ip4:204.102.73.44 ip4:136.179.3.130 ip4:207.233.43.10 include:spf.protection.outlook.com include:amazonses.com include:verifymyfafsa.com include:spf.blackboardconnect.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict 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
6 records- apple-domain-verification=G9py9SNVWMgi0v42
- MS=ms30193549
- amazonses:Zmrbhr/QVf7/FLshOfoNC+KiyuonmKNtzYhzystktA8=
- SPFv=spf1 a mx ip4:204.102.73.119 ip4:207.62.63.138 ip4:207.62.63.139 ip4:204.102.73.44 ip4:136.179.3.130 ip4:207.233.43.10 include:spf.protection.outlook.com include:amazonses.com include:verifymyfafsa.com include:spf.blackboardconnect.com -all
- MS=ms83096674
- 39HuE/0rQNFiRgT3Y7Pf/dUcDV6oXLe/nVeucWXUhdTXZxuMk3hFP9f3LKm78m2m9KNEmapgqaxFCzj/1QNdBA==
Full email verification for lahc.edu
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits