Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
simple-checkin.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 15:22:51 UTC · ↺ Refresh
MX Hostnames
- mail.simple-checkin.de
MX Priorities
- mail.simple-checkin.de: 5
A / AAAA Records
- 178.250.174.193 ↩ atlas.marketing-zone.de
- 2a02:2b80:101:104::903 ↩ atlas.marketing-zone.de
Mail Server IPs
- 178.250.174.193 ↩ atlas.marketing-zone.de
SOA Record
Raw SOA
ns.kunde24.de info.marc-schumann.com 2026030602 40000 7200 604800 180
Primary NS (mname)
ns.kunde24.de
Admin Email (rname)
info@marc-schumann.com
Serial
2026030602
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
180s
Nameservers (NS)
ns2.kunde24.de
ns.kunde24.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ~all
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