Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
zermec.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-18 03:30:07 UTC · ↺ Refresh
MX Hostnames
- mail.firstcloud.ch
MX Priorities
- mail.firstcloud.ch: 10
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 185.189.148.227 ↩ mail.firstcloud.ch
SOA Record
Raw SOA
ns6.sitelutions.com dns.cloudflare.com 2406104866 10000 2400 604800 1800
Primary NS (mname)
ns6.sitelutions.com
Admin Email (rname)
dns@cloudflare.com
Serial
2406104866
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns7.sitelutions.com
ns6.sitelutions.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:185.189.148.227 -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
2 records- SPFv=spf1 a mx ip4:185.189.148.227 -all
- jvrgp46081iunos92fqgf5qm9j
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