Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
carsten-grimm.immobilien
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-20 08:17:40 UTC ยท โบ Refresh
MX Hostnames
- mx2.onoffice.de
- mx1.onoffice.de
MX Priorities
- mx2.onoffice.de: 20
- mx1.onoffice.de: 10
A / AAAA Records
- 87.118.82.80 โฉ rz1f.idata-systems.net
Mail Server IPs
- 95.130.253.71 โฉ mx2.onoffice.de
- 95.130.253.60 โฉ mx1.onoffice.de
SOA Record
Raw SOA
ns1.idata-systems.net hostmaster.resellerinterface.de 1742397361 300 300 86400 120
Primary NS (mname)
ns1.idata-systems.net
Admin Email (rname)
hostmaster@resellerinterface.de
Serial
1742397361
Refresh
300s
Retry
300s
Expire
86400s
Minimum TTL
120s
Nameservers (NS)
ns1.idata-systems.net
ns2.idata-systems.net
SPF Record
โ Soft Fail (~all)
v=spf1 a include:_spf.onoffice.de ~all
๐ DNS lookups: 2/10
~ Soft fail (~all) โ moderate enforcement
DMARC Record
โ MissingNo DMARC record โ emails cannot be rejected on auth failure.
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ 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- google-site-verification=AT59ONMzoknX8SZiBlLvCLC78W2fQ7dYmk92fzRwVeE
- SPFv=spf1 a include:_spf.onoffice.de ~all
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for carsten-grimm.immobilien
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits