Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
csc-jaekle.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 17:04:58 UTC · ↺ Refresh
MX Hostnames
- mx3.osn.de
- mx1.csc-jaekle.de
- mx1.osn.de
- mx2.osn.de
- smtpgate.csc-jaekle.de
MX Priorities
- mx3.osn.de: 40
- smtpgate.csc-jaekle.de: 10
- mx1.csc-jaekle.de: 15
- mx1.osn.de: 20
- mx2.osn.de: 30
A / AAAA Records
- 116.202.252.47 ↩ dedi5889.your-server.de
Mail Server IPs
- 213.241.148.44 ↩ mx03.osn.de
- 62.159.188.219 ↩ smtpgate.csc-jaekle.de
- 87.138.82.129 ↩ p578a5281.dip0.t-ipconnect.de
- 194.45.27.124 ↩ mx02.osn.de
- 194.45.27.123 ↩ mx01.osn.de
SOA Record
Raw SOA
dns.osn.de root.osn.de 1764665186 14400 3600 1209600 86400
Primary NS (mname)
dns.osn.de
Admin Email (rname)
root@osn.de
Serial
1764665186
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns.osn.net
dns.osn.org
dns.osn.de
SPF Record
✓ Strict (-all)
v=spf1 a mx mx:softchem.de include:osn.de ip4:195.145.25.82 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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
3 records- google-site-verification=jcNAZG7yLC1XK-7DE5j-aBO3SRu85ttMAHXtrXBf9PM
- SPFv=spf1 a mx mx:softchem.de include:osn.de ip4:195.145.25.82 -all
- o5dfhnc04uv0t7ulagbdibjs9n
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