Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
otto-pankok-schule.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 11:43:19 UTC · ↺ Refresh
MX Hostnames
- mx.nrw.schule
MX Priorities
- mx.nrw.schule: 10
A / AAAA Records
- 81.169.145.74 ↩ w0a.rzone.de
- 2a01:238:20a:202:1074:: ↩ w0a.rzone.de
Mail Server IPs
- 194.77.248.232 ↩ mx.nrw.schule
SOA Record
Raw SOA
docks15.rzone.de hostmaster.strato-rz.de 2020050908 86400 7200 604800 300
Primary NS (mname)
docks15.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050908
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades16.rzone.de
docks15.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.ext.nrw.schule include:smtp.strato.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; adkim=r; aspf=r; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 include:_spf.ext.nrw.schule include:smtp.strato.de -all
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