dennis-heinze.de

Valid Email Server
Domain Lookup › dennis-heinze.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dennis-heinze.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 14:37:05 UTC · ↺ Refresh

MX Hostnames

  • dennisheinze-de01e.mail.protection.outlook.com

MX Priorities

  • dennisheinze-de01e.mail.protection.outlook.com: 10

A / AAAA Records

  • 217.160.0.88 ↩ 217-160-0-88.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns1112.ui-dns.de hostmaster.1und1.de 2015092601 28800 7200 604800 300
Primary NS (mname)
ns1112.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2015092601
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1112.ui-dns.biz
ns1112.ui-dns.de
ns1112.ui-dns.com
ns1112.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
  • v=verifydomain MS=1679791
  • SPFv=spf1 include:spf.protection.outlook.com -all
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