esb-data.de

Valid Email Server
Domain Lookup › esb-data.de

Domain Overview

DNS: ✓ 18d ago Checker: ✓ 18d ago
esb-data.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-23 02:12:58 UTC · ↺ Refresh

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MX Hostnames

  • esbdata-de0i.mail.protection.outlook.com

MX Priorities

  • esbdata-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 159.69.136.116 ↩ static.116.136.69.159.clients.your-server.de

Mail Server IPs

  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.kemm.de hostmaster.kemm.de 2026011900 3600 600 1209600 3600
Primary NS (mname)
ns1.kemm.de
Admin Email (rname)
hostmaster@kemm.de
Serial
2026011900
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns2.kemm.de
ns1.kemm.de
ns3.kemm.de

SPF Record

✓ Strict (-all)
v=spf1 a:mailer.kemm.de a:mail1.kanzlei.de mx:mailer.kemm.de mx:mail1.kanzlei.de ip4:213.30.246.119 ip4:213.30.246.178 include:spf.protection.outlook.com include:_spf.4me.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; adkim=r; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

5 records
  • SPFv=spf1 a:mailer.kemm.de a:mail1.kanzlei.de mx:mailer.kemm.de mx:mail1.kanzlei.de ip4:213.30.246.119 ip4:213.30.246.178 include:spf.protection.outlook.com include:_spf.4me.com -all
  • google-site-verification=wdWkioP3Jpw6G3MSBBtqNVJeA-WHZG4wkR3Tk_6V72c
  • MS=ms88104893
  • MS=ms89566784
  • MS=ms40289322
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