Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hamacher-heizungsbau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 01:52:08 UTC · ↺ Refresh
MX Hostnames
- efa.koenigs-it.de
- ciphermail.koenigs-it.de
MX Priorities
- ciphermail.koenigs-it.de: 10
- efa.koenigs-it.de: 20
A / AAAA Records
- 172.66.0.70 (no PTR)
Mail Server IPs
- 89.1.13.196 ↩ ciphermail.koenigs-it.de
- 89.1.13.195 ↩ efa.koenigs-it.de
SOA Record
Raw SOA
cns1.alfahosting.info hostmaster.alfahosting.de 2024041930 28800 7200 604800 3600
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster@alfahosting.de
Serial
2024041930
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
cns1.alfahosting.info
cns3.alfahosting.info
cns2.alfahosting.info
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ~all
📊 DNS lookups: 2/10
~ 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
2 records- SPFv=spf1 a mx ~all
- google-site-verification=t0HxOnTRRdMWZcOIVAr0QjIo6vovkmYle8e4H04o378
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