Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
polenk.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 09:28:43 UTC · ↺ Refresh
MX Hostnames
- mail.polenk.de
MX Priorities
- mail.polenk.de: 10
A / AAAA Records
- 212.46.102.207 ↩ box4.source-worx.de
Mail Server IPs
- 212.46.102.207 ↩ box4.source-worx.de
SOA Record
Raw SOA
a.ns14.net c\.stadler.source-worx.de 2025040601 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
c\@stadler.source-worx.de
Serial
2025040601
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
b.ns14.net
a.ns14.net
d.ns14.net
c.ns14.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ptr a:box3.source-worx.de ~all
📊 DNS lookups: 4/10
~ 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 ptr a:box3.source-worx.de ~all
- google-site-verification=akgaLV8Drx1H65Pt3jvI4xLDaoAP_e91_1tp28HlV_g
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