Domain Overview
DNS: ✓ 15d ago
Checker: ✓ 15d ago
winterthur.ch
No
None
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-10-29 08:23:22 UTC · ↺ Refresh
MX Hostnames
No MX records found.
MX Priorities
No priority data.
A / AAAA Records
- 193.8.88.244 ↩ stadt-old.winterthur.ch
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
ns01.winterthur.ch datacenter.win.ch 2022107674 10800 3600 2419200 300
Primary NS (mname)
ns01.winterthur.ch
Admin Email (rname)
datacenter@win.ch
Serial
2022107674
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns01.winterthur.ch
ns02.winterthur.ch
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
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
3 records- SPFv=spf1 -all
- swisssign-check=Upa24TpqVyx-maBX2uQmndtPhjY
- google-site-verification=3Gt5RVeztcf3h4GM3r7sE0ib7wtbOgTxBQ0T-FXpsj4
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