krupniklaw.com

Valid Email Server
Domain Lookup › krupniklaw.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
krupniklaw.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 06:28:09 UTC · ↺ Refresh

MX Hostnames

  • krupniklaw-com.mail.protection.outlook.com

MX Priorities

  • krupniklaw-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 162.159.137.9 (no PTR)

Mail Server IPs

  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1634.awsdns-12.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1634.awsdns-12.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1432.awsdns-51.org
ns-1634.awsdns-12.co.uk
ns-438.awsdns-54.com
ns-859.awsdns-43.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • v=verifydomain MS=1986406
  • SPFv=spf1 include:spf.protection.outlook.com -all
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