Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schellenberger-schule.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 22:51:57 UTC · ↺ Refresh
MX Hostnames
- mailc.digitalpakt-schule.jetzt
MX Priorities
- mailc.digitalpakt-schule.jetzt: 10
A / AAAA Records
- 77.76.193.22 ↩ nsdsp.genial-media.de
Mail Server IPs
- 77.76.193.23 ↩ mailc.digitalpakt-schule.jetzt
SOA Record
Raw SOA
ns1.rox.net dns.rockenstein.de 2025021002 10800 3600 604800 3600
Primary NS (mname)
ns1.rox.net
Admin Email (rname)
dns@rockenstein.de
Serial
2025021002
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.rox.net
ns1.rox.net
ns.hrb.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.digitalpakt-schule.jetzt -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:_spf.digitalpakt-schule.jetzt -all
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