esn.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
esn.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-01 16:24:03 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • esn-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 136.243.160.53 ↩ www467.your-server.de

Mail Server IPs

  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.your-server.de postmaster.your-server.de 2026031001 14400 1800 604800 600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026031001
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:212.51.25.202 ip4:212.51.23.39 mx:indivsurvey.de include:spf.crsend.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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

7 records
  • atlassian-domain-verification=956azsFqiX8/zfTMuELxMFhBsJAA6g0D8kfQGb/iLm/cvU8Fevu6nUqqgtPyFiAI
  • atlassian-domain-verification=vwwzsWwsa9/wijS7hCJfK4JPcIOrRKFfsWsqOTqjybuBp3EBP9pDj67eu1lDMKB7
  • atlassian-sending-domain-verification=7cdcab84-0041-4971-a54a-0ca426d4a2a4
  • SPFv=spf1 ip4:212.51.25.202 ip4:212.51.23.39 mx:indivsurvey.de include:spf.crsend.com include:spf.protection.outlook.com -all
  • MS=E54CD489C47B99C397CE7249713B6CCD366A5D18
  • MS=ms54197756
  • apple-domain-verification=8Ko0GX8Wtrbg7Uob
Full email verification for esn.de

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