Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
dr-britz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 03:51:36 UTC · ↺ Refresh
MX Hostnames
- smtpin.rzone.de
MX Priorities
No priority data.
A / AAAA Records
- 81.169.145.105
- 2a01:238:20a:202:1105::
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
docks20.rzone.de
shades15.rzone.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 736 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 mx
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