Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
niehoff.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 09:12:37 UTC · ↺ Refresh
MX Hostnames
- mail.niehoff.de
MX Priorities
- mail.niehoff.de: 10
A / AAAA Records
- 81.169.145.76 ↩ w0c.rzone.de
- 2a01:238:20a:202:1076:: ↩ w0c.rzone.de
Mail Server IPs
- 91.26.190.10 ↩ mail.niehoff.de
SOA Record
Raw SOA
docks10.rzone.de hostmaster.strato-rz.de 2020052045 86400 7200 604800 300
Primary NS (mname)
docks10.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020052045
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades13.rzone.de
docks10.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.niehoff.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms95884458
- SPFv=spf1 mx a:mail.niehoff.de -all
- docker-verification=e9736869-e094-409b-aaff-8320c68c017b
Full email verification for niehoff.de
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