Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lehrwerk.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 15:01:39 UTC · ↺ Refresh
MX Hostnames
- mail.lehrwerk.de
MX Priorities
- mail.lehrwerk.de: 10
A / AAAA Records
- 46.30.213.151 ↩ webcluster1.webpod14-cph3.one.com
Mail Server IPs
- 80.152.220.214 ↩ mail.lehrwerk.de
SOA Record
Raw SOA
ns01.one.com hostmaster.one.com 2026031102 14400 3600 1209600 600
Primary NS (mname)
ns01.one.com
Admin Email (rname)
hostmaster@one.com
Serial
2026031102
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns02.one.com
ns01.one.com
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; 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
2 records- SPFv=spf1 a mx -all
- brevo-code:1b9ad8c09c2f958af00af87e04ee379f
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