Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mdhealthcorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 02:36:53 UTC · ↺ Refresh
MX Hostnames
- mdhealthcorp-com.mail.protection.outlook.com
MX Priorities
- mdhealthcorp-com.mail.protection.outlook.com: 10
A / AAAA Records
- 100.51.29.66 ↩ ec2-100-51-29-66.compute-1.amazonaws.com
- 3.225.240.152 ↩ ec2-3-225-240-152.compute-1.amazonaws.com
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
ns-307.awsdns-38.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-307.awsdns-38.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1067.awsdns-05.org
ns-2010.awsdns-59.co.uk
ns-307.awsdns-38.com
ns-681.awsdns-21.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:email-od.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com include:email-od.com -all
- MS=ms66259013
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