Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kosterfinance.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 07:36:56 UTC · ↺ Refresh
MX Hostnames
- kosterfinance-com.mail.protection.outlook.com
MX Priorities
- kosterfinance-com.mail.protection.outlook.com: 10
A / AAAA Records
- 35.227.111.174 ↩ 174.111.227.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
uno.ns.stimulustech.com jqueen.kosterfinance.com 2024052302 10800 3600 1209600 10800
Primary NS (mname)
uno.ns.stimulustech.com
Admin Email (rname)
jqueen@kosterfinance.com
Serial
2024052302
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
uno.ns.stimulustech.com
cinco.ns.stimulustech.com
cuatro.ns.stimulustech.com
dos.ns.stimulustech.com
tres.ns.stimulustech.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.vergentlms.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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 include:spf.vergentlms.com -all
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