Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
ctbr.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-07-02 08:12:11 UTC · ↺ Refresh
MX Hostnames
- mail.ctbr.ch
- mail2.ctbr.ch
MX Priorities
- mail2.ctbr.ch: 2
- mail.ctbr.ch: 1
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 194.38.173.201 ↩ mail2.bper.ch
- 194.38.173.200 ↩ mail.bper.ch
SOA Record
Raw SOA
ns3.dfinet.ch system.dfi.ch 2022110319 3600 1800 1209600 86400
Primary NS (mname)
ns3.dfinet.ch
Admin Email (rname)
system@dfi.ch
Serial
2022110319
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.dfinet.ch
ns4.dfinet.ch
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:194.38.173.200/32 ip4:194.38.173.201/32 a:mail.ctbr.ch a:mail2.ctbr.ch ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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 ip4:194.38.173.200/32 ip4:194.38.173.201/32 a:mail.ctbr.ch a:mail2.ctbr.ch ~all
- MS=ms33493501
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