frobenius-buerger.de

Valid Email Server
Domain Lookup › frobenius-buerger.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
frobenius-buerger.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 01:51:20 UTC · ↺ Refresh

MX Hostnames

  • frobeniusbuerger-de02c.mail.protection.outlook.com

MX Priorities

  • frobeniusbuerger-de02c.mail.protection.outlook.com: 0

A / AAAA Records

  • 78.46.211.249 ↩ www406.your-server.de

Mail Server IPs

  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.your-server.de postmaster.your-server.de 2026011400 86400 10800 3600000 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026011400
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
7200s

Nameservers (NS)

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

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.variomedia.de include:spf.crsend.com a:securemail.behnsen.net -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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

2 records
  • MS=ms41676628
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.variomedia.de include:spf.crsend.com a:securemail.behnsen.net -all
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