Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
seidel-schleifservice.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 19:16:09 UTC · ↺ Refresh
MX Hostnames
- mx.tmt.de
MX Priorities
- mx.tmt.de: 10
A / AAAA Records
- 18.197.248.23 ↩ eu-staticip.multiscreensite.com
Mail Server IPs
- 217.145.99.53 ↩ mx03.tmt.de
- 217.145.99.52 ↩ mx02.tmt.de
- 217.145.99.54 ↩ mx04.tmt.de
SOA Record
Raw SOA
ns0.tmt.de hostmaster.ns0.tmt.de 2018111361 28800 7200 604800 86400
Primary NS (mname)
ns0.tmt.de
Admin Email (rname)
hostmaster@ns0.tmt.de
Serial
2018111361
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns0.tmt.de
ns3.tmt.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_smtp-relay.tmt.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 a mx include:_smtp-relay.tmt.de ~all
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