onesolar.de

Valid Email Server
Domain Lookup › onesolar.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
onesolar.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 13:15:53 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • onesolar-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.26.0.86 (no PTR)
  • 104.26.1.86 (no PTR)
  • 172.67.70.202
  • 2606:4700:20::ac43:46ca
  • 2606:4700:20::681a:156
  • 2606:4700:20::681a:56

Mail Server IPs

  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com

SOA Record

Raw SOA emerie.ns.cloudflare.com dns.cloudflare.com 2397936471 10000 2400 604800 1800
Primary NS (mname)
emerie.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397936471
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

peter.ns.cloudflare.com
emerie.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:93.240.25.203 include:spf.protection.outlook.com include:spf.sendinblue.com -all
📊 DNS lookups: 4/10
✓ 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
  • google-site-verification=r4liJJ6S5mVnWyl5Tk7nyl0wYjKOCPfTZ4syQaFiQCM
  • SPFv=spf1 a mx ip4:93.240.25.203 include:spf.protection.outlook.com include:spf.sendinblue.com -all
  • Sendinblue-code:40074bd8066620376ddfc2f8f9ec1ebf
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 onesolar.de

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

No credit card required
Get 1,000 Free Credits