ylb.ch

Valid Email Server
Domain Lookup › ylb.ch
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
ylb.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-10 22:27:17 UTC · ↺ Refresh

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MX Hostnames

  • mail.yverdon.rcv.ch
  • mail2.yverdon.rcv.ch

MX Priorities

  • mail2.yverdon.rcv.ch: 10
  • mail.yverdon.rcv.ch: 5

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 145.232.253.21 ↩ mail2.rcv.ch
  • 145.232.253.20 ↩ mail.rcv.ch

SOA Record

Raw SOA ns41.infomaniak.com hostmaster.infomaniak.ch 2026081036 10800 3600 605800 3600
Primary NS (mname)
ns41.infomaniak.com
Admin Email (rname)
hostmaster@infomaniak.ch
Serial
2026081036
Refresh
10800s
Retry
3600s
Expire
605800s
Minimum TTL
3600s

Nameservers (NS)

ns42.infomaniak.com
ns41.infomaniak.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.rcv.ch -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

3 records
  • druide-validation-domaine=b09af7490857f990fd0ade9728091ad3
  • duo_sso_verification=d47W7YHXhUrdC5aPEb92SqYkqBhvKZVCFWaaYDi7EFTrWkmNZMqMZdioFIq1QDBG
  • SPFv=spf1 include:spf.rcv.ch -all
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