tr-gruppe.de

Valid Email Server
Domain Lookup › tr-gruppe.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tr-gruppe.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 20:17:28 UTC · ↺ Refresh

MX Hostnames

  • mx1.tr-gruppe.de
  • mx2.tr-gruppe.de

MX Priorities

  • mx2.tr-gruppe.de: 10
  • mx1.tr-gruppe.de: 10

A / AAAA Records

  • 80.148.49.47 (no PTR)

Mail Server IPs

  • 104.151.45.222 ↩ mx2.tr-gruppe.de
  • 80.148.49.43 ↩ mx.tr-gruppe.de

SOA Record

Raw SOA ns2.i-st.net kenan\.ay.tr-electronic.de 2026030201 10800 3600 604800 10800
Primary NS (mname)
ns2.i-st.net
Admin Email (rname)
kenan\@ay.tr-electronic.de
Serial
2026030201
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

ns2.i-st.net
ns.i-st.net

SPF Record

✓ Strict (-all)
v=spf1 a mx include:_spf.tr-gruppe.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:; ruf=mailto:; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:

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

3 records
  • MS=ms61235670
  • SPFv=spf1 a mx include:_spf.tr-gruppe.de -all
  • 0ed1fe018a8ac2dede8b2c4b4d82dc69
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