gas-union.de

Valid Email Server
Domain Lookup › gas-union.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gas-union.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 05:16:47 UTC · ↺ Refresh

MX Hostnames

  • mx09.gisa.de
  • mx10.gisa.de

MX Priorities

  • mx09.gisa.de: 10
  • mx10.gisa.de: 10

A / AAAA Records

  • 46.229.46.166 ↩ d167.x-mailer.de

Mail Server IPs

  • 185.158.224.109 ↩ mx09.gisa.de
  • 185.158.224.110 ↩ mx10.gisa.de

SOA Record

Raw SOA ns01.gisa.de denic.gisa.de 2025090201 7200 900 1209600 86400
Primary NS (mname)
ns01.gisa.de
Admin Email (rname)
denic@gisa.de
Serial
2025090201
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.slave-ns.de
ns.webmatic.de
ns2.slave-ns.eu

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:spf.gisa.de -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

4 records
  • _telesec-domain-validation=345434_2025-02-11_4v3UWYimY2ZV3GoOTKtjC3wSG3kZM1cmTLDslshg5gG4DSZiS4
  • MS=ms10310584
  • zscaler-verification-74577092-26052025-45ijk
  • SPFv=spf1 mx include:spf.protection.outlook.com include:spf.gisa.de -all
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