bluwin.ch

No Valid Email Server
Domain Lookup › bluwin.ch

Domain Overview

DNS: ✓ 7h ago Checker: ✓ 7h ago
bluwin.ch
No
None
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 16:05:10 UTC · ↺ Refresh

MX Hostnames

MX Priorities

  • : 0

A / AAAA Records

  • 213.3.75.39 (no PTR)

Mail Server IPs

No IPs resolved.

SOA Record

Raw SOA dns3.swisscom.com admin\.dns.swisscom.com 4753 21600 3600 604800 600
Primary NS (mname)
dns3.swisscom.com
Admin Email (rname)
admin\@dns.swisscom.com
Serial
4753
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

dns2.swisscom.com
dns1.swisscom.com
dns3.swisscom.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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

No TXT records found.

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