Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
klausbiedermann.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 02:51:57 UTC · ↺ Refresh
MX Hostnames
- mx20.vim.at
- mx10.vim.at
MX Priorities
- mx10.vim.at: 10
- mx20.vim.at: 20
A / AAAA Records
- 92.43.100.3 ↩ w100-3.vimnet.at
- 2a00:1638:2:100::3 ↩ w100-3.vimnet.at
Mail Server IPs
- 92.43.96.37 ↩ mx10.vim.at
- 92.43.96.34 ↩ mx10.vim.at
- 2a00:1638:2::2501 ↩ mx10.vim.at
- 2a00:1638:2::2502 ↩ mx10.vim.at
- 92.43.96.35 ↩ mx20.vim.at
- 2a00:1638:2::2503 ↩ mx20.vim.at
SOA Record
Raw SOA
ns.izone.at hostmaster.izone.at 2024101601 10800 3600 604800 43200
Primary NS (mname)
ns.izone.at
Admin Email (rname)
hostmaster@izone.at
Serial
2024101601
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
43200s
Nameservers (NS)
ns.izone.at
ns.izone.info
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.vim.at -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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
1 record- SPFv=spf1 mx include:spf.vim.at -all
Full email verification for klausbiedermann.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits