Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
highcaliberrealty.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 06:53:37 UTC · ↺ Refresh
MX Hostnames
- highcaliberrealty-com.mail.protection.outlook.com
MX Priorities
- highcaliberrealty-com.mail.protection.outlook.com: 0
A / AAAA Records
- 3.231.96.236 ↩ ec2-3-231-96-236.compute-1.amazonaws.com
- 18.210.135.193 ↩ ec2-18-210-135-193.compute-1.amazonaws.com
- 52.5.153.54
Mail Server IPs
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.rgnameserver.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns1.rgnameserver.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns4.rgnameserver.com
ns1.rgnameserver.com
ns2.rgnameserver.com
ns3.rgnameserver.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- facebook-domain-verification=s53shctsgcft12quhdj8i6yio9ton5
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms18386095
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