hansa-polytechnik.de

Valid Email Server
Domain Lookup › hansa-polytechnik.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hansa-polytechnik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 16:12:11 UTC · ↺ Refresh

MX Hostnames

  • mail.hansa-polytechnik.de

MX Priorities

  • mail.hansa-polytechnik.de: 10

A / AAAA Records

  • 162.55.169.219 ↩ web.upcommerce.cloud
  • 2a01:4f8:c010:8e5d::1 ↩ web.upcommerce.cloud

Mail Server IPs

  • 91.26.240.10 ↩ mail.hansa-polytechnik.de
  • 217.91.77.178 ↩ mail.hansa-polytechnik.de

SOA Record

Raw SOA ns1046.ui-dns.com hostmaster.1and1.com 2018020458 28800 7200 604800 300
Primary NS (mname)
ns1046.ui-dns.com
Admin Email (rname)
hostmaster@1and1.com
Serial
2018020458
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1091.ui-dns.org
ns1063.ui-dns.de
ns1046.ui-dns.com
ns1043.ui-dns.biz

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.mailjet.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

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
  • qrm3d2oT+UXg9TJtKU6q4PZy57rEiF/OD0xtxPwDeDpjssjZoGKgbv/aFjjzpN1F2Ti6Ja98Tackv/5Mt6dD/g==
  • SPFv=spf1 mx include:spf.mailjet.com include:spf.protection.outlook.com -all
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