Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tr-electronic.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 19:36:40 UTC · ↺ Refresh
MX Hostnames
- mx2.tr-gruppe.de
- mx1.tr-gruppe.de
MX Priorities
- mx1.tr-gruppe.de: 10
- mx2.tr-gruppe.de: 10
A / AAAA Records
- 80.148.49.47 (no PTR)
Mail Server IPs
- 80.148.49.43 ↩ mx.tr-gruppe.de
- 104.151.45.222 ↩ mx2.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)
ns.i-st.net
ns2.i-st.net
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:_spf.tr-gruppe.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 a mx include:spf.protection.outlook.com include:_spf.tr-gruppe.de -all
- MS=F821A323AEE3CB62DD69107DBC2CE076EED39489
- 0ed1fe018a8ac2dede8b2c4b4d82dc69
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