oetiker.ch

Valid Email Server

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
oetiker.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-10-30 08:48:49 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mailgw-02.oetiker.ch
  • mailgw-volki-01.oetiker.ch

MX Priorities

  • mailgw-02.oetiker.ch: 20
  • mailgw-volki-01.oetiker.ch: 10

A / AAAA Records

  • 46.140.183.221 (no PTR)
  • 2a02:aa08:e000:1e01::64 ↩ proxy-volki-01.oetiker.ch

Mail Server IPs

  • 185.240.174.139 ↩ mailgw-02.oetiker.ch
  • 2a02:168:207f:ffff::139 (no PTR)
  • 46.140.183.201 (no PTR)
  • 2a02:aa08:e000:1e01::c9 ↩ mailgw-volki-01.oetiker.ch

SOA Record

Raw SOA ns1.oetiker.ch hostmaster.oetiker.ch 2026102706 1200 120 1209600 3600
Primary NS (mname)
ns1.oetiker.ch
Admin Email (rname)
hostmaster@oetiker.ch
Serial
2026102706
Refresh
1200s
Retry
120s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns1.oetiker.ch
ns2.oetiker.ch

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.oetiker.ch include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

8 records
  • MS=ms34956507
  • have-i-been-pwned-verification=9849520f1801cde5e7ad411a2708d75d
  • apple-domain-verification=hPovr8M0hcbxowXY
  • google-site-verification=lA2uADt9ZHYVSJZAcsBG75wHZXUp74RK0KNFLREZDqs
  • google-site-verification=q0b1tFohZL1-4qfvIPtmOGxJR9KwjU04Ou5eTFMiJ3M
  • DNS for OETIKER+PARTNER AG
  • google-site-verification=HYQH8kOrzBuLFVCYWP-XHb1-NyDnC2RbP22GiKNaXis
  • SPFv=spf1 mx include:spf.oetiker.ch include:spf.protection.outlook.com -all
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 oetiker.ch

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits