elektro-herrmann.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
elektro-herrmann.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 21:18:22 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 213.239.241.51 ↩ host22.networkinvest.de

Mail Server IPs

  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.networkinvest.net support.networkinvest.de 2025082700 43200 7200 1209600 86400
Primary NS (mname)
ns1.networkinvest.net
Admin Email (rname)
support@networkinvest.de
Serial
2025082700
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns4.networkinvest.net
ns1.networkinvest.net
ns3.networkinvest.net
ns2.networkinvest.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com mx a ip4:213.239.241.0/24 ip6:2a01:4f8:a0::/48 -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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com mx a ip4:213.239.241.0/24 ip6:2a01:4f8:a0::/48 -all
  • MS=ms26079873
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