zmk-kassel.com

Valid Email Server
Domain Lookup › zmk-kassel.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
zmk-kassel.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 02:42:48 UTC · ↺ Refresh

MX Hostnames

  • zmkkassel-com0i.mail.protection.outlook.com

MX Priorities

  • zmkkassel-com0i.mail.protection.outlook.com: 10

A / AAAA Records

  • 188.40.59.115 ↩ mail40.systemhaus-baunatal.de
  • 2a01:4f8:221:120::115 ↩ mail40.systemhaus-baunatal.de

Mail Server IPs

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

SOA Record

Raw SOA ns1.first-ns.de dns.hetzner.com 2026021600 86400 10800 3600000 600
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026021600
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
600s

Nameservers (NS)

robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com include:spf-westeu.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ 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

3 records
  • google-site-verification=9Ot-uMhgMMTP24afdYaM-p-9nRgIOMWSdPkKVOekv3A
  • SPFv=spf1 mx include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com include:spf-westeu.emailsignatures365.com -all
  • MS=ms98348539
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