Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nsbendo.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 04:32:36 UTC · ↺ Refresh
MX Hostnames
- nsbendo-com.mail.protection.outlook.com
MX Priorities
- nsbendo-com.mail.protection.outlook.com: 10
A / AAAA Records
- 50.28.32.45 ↩ server.dfserver12.com
Mail Server IPs
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dfsitedns.com admin.dentalfone.com 2026031900 3600 1800 1209600 86400
Primary NS (mname)
ns1.dfsitedns.com
Admin Email (rname)
admin@dentalfone.com
Serial
2026031900
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.dfsitedns.com
ns3.dfsitedns.com
ns2.dfsitedns.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:50.28.32.45 include:spf.protection.outlook.com +include:_spf.google.com +include:sendgrid.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict 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
1 record- SPFv=spf1 +a +mx +ip4:50.28.32.45 include:spf.protection.outlook.com +include:_spf.google.com +include:sendgrid.net -all
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