froebel-gruppe.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
froebel-gruppe.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 18:44:07 UTC · ↺ Refresh

MX Hostnames

  • froebelgruppe-de01i.mail.protection.outlook.com

MX Priorities

  • froebelgruppe-de01i.mail.protection.outlook.com: 10

A / AAAA Records

  • 178.16.57.68 ↩ r7410.agenturserver.it
  • 2a03:2a00:1400::1:0:0:4011 (no PTR)

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA hydrogen.ns.hetzner.com dns.hetzner.com 2026031903 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026031903
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

oxygen.ns.hetzner.com
helium.ns.hetzner.de
hydrogen.ns.hetzner.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:62.55.182.68 a:mail.pi-mas.de include:spf.protection.outlook.com include:spf.crsend.com include:mail.pi-asp.de -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: 392 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

3 records
  • SPFv=spf1 ip4:62.55.182.68 a:mail.pi-mas.de include:spf.protection.outlook.com include:spf.crsend.com include:mail.pi-asp.de -all
  • apple-domain-verification=V3XQqeNXfiE4RLZU
  • google-site-verification=5bMGXUXSiifNCXoEZTvtCTMo2Aiiyf8pqeSMAl9CM00
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