Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
yalcin-agentur.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:04:44 UTC · ↺ Refresh
MX Hostnames
- mx2.onoffice.de
- mx1.onoffice.de
- mx3.onoffice.de
MX Priorities
- mx2.onoffice.de: 20
- mx1.onoffice.de: 10
- mx3.onoffice.de: 30
A / AAAA Records
- 62.116.188.183 ↩ s21.twin-hosting.de
- 2001:4178:6:1224:62:116:188:183 ↩ s21.twin-hosting.de
Mail Server IPs
- 95.130.253.71 ↩ mx2.onoffice.de
- 95.130.253.60 ↩ mx1.onoffice.de
- 95.130.253.56 ↩ mx3.onoffice.de
SOA Record
Raw SOA
ns2.twin-hosting.de info.yalcin-agentur.de 2026031501 1200 300 1209600 86400
Primary NS (mname)
ns2.twin-hosting.de
Admin Email (rname)
info@yalcin-agentur.de
Serial
2026031501
Refresh
1200s
Retry
300s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.twin-hosting.de
ns2.twin-hosting.de
ns1.twin-hosting.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:_spf.onoffice.de mx ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 a include:_spf.onoffice.de mx ~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 yalcin-agentur.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits