Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lenne-schule.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 21:58:10 UTC · ↺ Refresh
MX Hostnames
- office365-lenneschule-de03i.mail.protection.outlook.com
- mail.netzhaus.ag
- mail1.netzhaus.ag
MX Priorities
- mail1.netzhaus.ag: 10
- office365-lenneschule-de03i.mail.protection.outlook.com: 25
- mail.netzhaus.ag: 20
A / AAAA Records
- 31.47.253.133
Mail Server IPs
- 116.203.59.70 ↩ mail1.netzhaus.ag
- 2a01:4f8:c2c:a3bb::1 ↩ mail1.netzhaus.ag
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 80.86.3.240
- 2a03:b480:1:1::2
SOA Record
Raw SOA
cns1.alfahosting.info hostmaster\@alfahosting.de 2026020702 28800 7200 604800 10800
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster\@alfahosting@de
Serial
2026020702
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
cns2.alfahosting.info
cns1.alfahosting.info
cns3.alfahosting.info
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:_spf.netzhaus.ag a:lenneschule.selfhost.eu ?all
📊 DNS lookups: 4/10
? Neutral (?all) — no 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- SPFv=spf1 mx a include:_spf.netzhaus.ag a:lenneschule.selfhost.eu ?all
- google-site-verification=OgHMRasoWp3Zws7aaaK_CoH_7R0E9BfXJd50NS6W5d8
- apple-domain-verification=G26wgVrMEvzb3E9D
Full email verification for lenne-schule.de
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