thermokon.de

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
thermokon.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 07:04:33 UTC · ↺ Refresh

MX Hostnames

  • thermokon-de.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 162.55.168.82

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns02.riconnect.de
ns03.riconnect.de
ns01.riconnect.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:195.145.89.128/29 include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com include:_spf.cmail.ondemand.com include:amazonses.com include:spf.eu.exclaimer.net include:spf.riconnect.de -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
selector1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • sophos-domain-verification=78272f8e1a7ab01b9616d046ad9bbd95b0267a80
  • sophos-domain-verification=b1f163fe8c1cf8a9984189547e9e5f0a71a8ea7264deb91ef2cf3eae8335f573
  • google-site-verification=_kr1CbLz4_98M0hC5fj9ge7S19OYZFXzPCoB5SQBUm4
  • SPFv=spf1 ip4:195.145.89.128/29 include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com include:_spf.cmail.ondemand.com include:amazonses.com include:spf.eu.exclaimer.net include:spf.riconnect.de -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
See demo & docs
Deep verification
Full email verification for thermokon.de

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

No credit card required
Get 1,000 Free Credits