Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hdmusa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 02:03:40 UTC · ↺ Refresh
MX Hostnames
- hdmusa-com.mail.protection.outlook.com
MX Priorities
- hdmusa-com.mail.protection.outlook.com: 1
A / AAAA Records
- 3.209.145.242 ↩ ec2-3-209-145-242.compute-1.amazonaws.com
Mail Server IPs
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.iplace.se registry.iplace.se 2022022400 10800 3600 604800 3600
Primary NS (mname)
ns1.iplace.se
Admin Email (rname)
registry@iplace.se
Serial
2022022400
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.iplace.se
ns1.iplace.se
ns2.iplace.se
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 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
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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