Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drmassiah.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 22:52:28 UTC · ↺ Refresh
MX Hostnames
- drmassiah-com.mail.protection.outlook.com
MX Priorities
- drmassiah-com.mail.protection.outlook.com: 10
A / AAAA Records
- 50.28.48.23 ↩ server.dfserver3.com
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dfserver3.com admin.dentalfone.com 2026031807 3600 7200 1209600 86400
Primary NS (mname)
ns1.dfserver3.com
Admin Email (rname)
admin@dentalfone.com
Serial
2026031807
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.dfserver3.com
ns2.dfserver3.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:50.28.48.23 +a +mx include:spf.protection.outlook.com +include:sendgrid.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms83018289
- SPFv=spf1 ip4:50.28.48.23 +a +mx include:spf.protection.outlook.com +include:sendgrid.net ~all
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