c-s.ch

Valid Email Server

Domain Overview

DNS: ✓ just now Checker: ✓ just now
c-s.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-10 16:17:01 UTC · ↺ Refresh

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MX Hostnames

  • mail.prompt.ch

MX Priorities

  • mail.prompt.ch: 0

A / AAAA Records

  • 46.140.138.19 ↩ 46-140-138-19.static.cablecom.ch

Mail Server IPs

  • 46.140.138.48 ↩ mail.prompt.ch

SOA Record

Raw SOA dns1.creaswiss.ch hostmaster.aspsolutions.ch 2019080801 14400 1800 518400 3600
Primary NS (mname)
dns1.creaswiss.ch
Admin Email (rname)
hostmaster@aspsolutions.ch
Serial
2019080801
Refresh
14400s
Retry
1800s
Expire
518400s
Minimum TTL
3600s

Nameservers (NS)

dns2.creaswiss.ch
dns1.creaswiss.ch

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:46.140.138.1/25 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

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

1 record
  • SPFv=spf1 mx ip4:46.140.138.1/25 -all
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