Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
toneroffice.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 06:33:51 UTC · ↺ Refresh
MX Hostnames
- mail.toneroffice.de
MX Priorities
- mail.toneroffice.de: 10
A / AAAA Records
- 5.1.82.78 ↩ s23782.creolineserver.com
Mail Server IPs
- 5.1.86.181 ↩ s23779.creolineserver.com
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2511181356 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2511181356
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns6.kasserver.com
ns5.kasserver.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:144.76.59.147 ip4:5.1.86.181 include:_spf.creoline.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; rf=afrf; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- creoline-domain-verification=c87a6f156e0dd32ced030e5b05ce1e59cf44d715
- brevo-code:939305cf7b179e8776cc0059c077c09c
- google-site-verification=d1rC5_-_LeTnMmYQEzgPD8nhtTXb0OacymHCjj4NSEg
- SPFv=spf1 a mx ip4:144.76.59.147 ip4:5.1.86.181 include:_spf.creoline.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 toneroffice.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits