Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
paderborner-sv.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 18:10:10 UTC · ↺ Refresh
MX Hostnames
- server.rzkops.de
MX Priorities
- server.rzkops.de: 10
A / AAAA Records
- 178.63.126.23 ↩ srv.srvrz.de
Mail Server IPs
- 176.9.215.130 ↩ server.rzkops.de
SOA Record
Raw SOA
srvkops.de webmaster.srvkops.de 2026012007 3600 900 604800 39600
Primary NS (mname)
srvkops.de
Admin Email (rname)
webmaster@srvkops.de
Serial
2026012007
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
39600s
Nameservers (NS)
srvkops.de
ns1.first-ns.de
SPF Record
✓ Strict (-all)
v=spf1 a mx a:router.rzkops.de -all
📊 DNS lookups: 3/10
✓ 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
1 record- SPFv=spf1 a mx a:router.rzkops.de -all
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