johncrane.de

Valid Email Server
Domain Lookup › johncrane.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
johncrane.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 11:23:33 UTC · ↺ Refresh

MX Hostnames

  • johncrane-de.mail.protection.outlook.com

MX Priorities

  • johncrane-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 40.71.11.168 (no PTR)

Mail Server IPs

  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA a1-211.akam.net hostmaster.akamai.com 2020100505 3600 600 604800 300
Primary NS (mname)
a1-211.akam.net
Admin Email (rname)
hostmaster@akamai.com
Serial
2020100505
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

a28-64.akam.net
a1-211.akam.net
a9-66.akam.net
a26-66.akam.net
a7-64.akam.net
a16-66.akam.net

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=spf.smiths.com
📊 DNS lookups: 1/10

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
  • MS=ms83282489
  • SPFv=spf1 redirect=spf.smiths.com
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