Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grefrath-strategen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 22:24:36 UTC · ↺ Refresh
MX Hostnames
- grefrath-strategen.de
- mail.grefrath-strategen.de
MX Priorities
- mail.grefrath-strategen.de: 3
- grefrath-strategen.de: 1
A / AAAA Records
- 37.24.196.232 ↩ grefrath-strategen.de
Mail Server IPs
- 37.24.196.232 ↩ grefrath-strategen.de
SOA Record
Raw SOA
ns01.one.com hostmaster.one.com 2026031101 14400 3600 1209600 600
Primary NS (mname)
ns01.one.com
Admin Email (rname)
hostmaster@one.com
Serial
2026031101
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns01.one.com
ns02.one.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:37.24.196.232 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=10
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 10% of failing messages only
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 +ip4:37.24.196.232 ~all
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