Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
yes.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-10 18:31:08 UTC · ↺ Refresh
MX Hostnames
- yes-ch.mail.protection.outlook.com
MX Priorities
- yes-ch.mail.protection.outlook.com: 10
A / AAAA Records
- 213.167.225.174 ↩ mail.server8.ify.ch
Mail Server IPs
- 52.101.185.12 ↩ mail-zrap278cu00304.inbound.protection.outlook.com
- 52.101.185.14 ↩ mail-zr1p278cu00206.inbound.protection.outlook.com
- 52.101.185.13 ↩ mail-zrzp278cu00205.inbound.protection.outlook.com
- 52.101.187.1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca3e::1 ↩ mail-gvap278cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca3c:: ↩ mail-zrap278cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::2 ↩ mail-zr1p278cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::1 ↩ mail-zrzp278cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.ify.ch phaefliger.ify.ch 2024010796 7200 120 2419200 10800
Primary NS (mname)
ns1.ify.ch
Admin Email (rname)
phaefliger@ify.ch
Serial
2024010796
Refresh
7200s
Retry
120s
Expire
2419200s
Minimum TTL
10800s
Nameservers (NS)
ns1.ify.ch
ns2.ify.ch
ns3.ify.ch
SPF Record
✓ Strict (-all)
v=spf1 +mx +a a:mail.yes.ch a:exm.yes.ch +ip4:212.25.23.201/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;fo=1;pct=100;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];aspf=r;adkim=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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 +mx +a a:mail.yes.ch a:exm.yes.ch +ip4:212.25.23.201/32 include:spf.protection.outlook.com -all
- MS=ms30007704
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for yes.ch
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits