Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
carl-russ-schule.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 22:33:55 UTC · ↺ Refresh
MX Hostnames
- mx.nrw.schule
MX Priorities
- mx.nrw.schule: 0
A / AAAA Records
- 88.151.64.139 ↩ shared.web3.it-xt.de
Mail Server IPs
- 194.77.248.232 ↩ mx.nrw.schule
SOA Record
Raw SOA
ns2.hk-net.de admin.it-xt.de 2026032001 10800 3600 1209600 10800
Primary NS (mname)
ns2.hk-net.de
Admin Email (rname)
admin@it-xt.de
Serial
2026032001
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns2.hk-net.de
ns1.hk-net.de
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=_spf.ext.nrw.schule
📊 DNS lookups: 1/10
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 redirect=_spf.ext.nrw.schule
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