Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sumbalum.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 19:00:53 UTC · ↺ Refresh
MX Hostnames
- sumbalum.de
MX Priorities
- sumbalum.de: 10
A / AAAA Records
- 37.221.199.158 ↩ patrix.biz
Mail Server IPs
- 37.221.199.158 ↩ patrix.biz
SOA Record
Raw SOA
nsa7.schlundtech.de webmaster.sumbalum.de 2025012400 43200 7200 1209600 86400
Primary NS (mname)
nsa7.schlundtech.de
Admin Email (rname)
webmaster@sumbalum.de
Serial
2025012400
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsd7.schlundtech.de
nsc7.schlundtech.de
nsa7.schlundtech.de
nsb7.schlundtech.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a a:mail.your-server.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
2 records- SPFv=spf1 mx a a:mail.your-server.de ~all
- google-site-verification=tSFfH7aq6SyCmXraEkP-jOUdp9WW1CjicskWHyKQCT4
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