Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
strobel-steuerberater.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 19:04:00 UTC · ↺ Refresh
MX Hostnames
- mail.email-security-online.de
MX Priorities
- mail.email-security-online.de: 10
A / AAAA Records
- 13.248.243.5 ↩ a16e665f42988324c.awsglobalaccelerator.com
Mail Server IPs
- 195.4.209.147 ↩ mail.email-security-online.de
SOA Record
Raw SOA
ns1.hosting.de hostmaster.strobel-steuerberater.de 2025091106 86400 7200 3600000 900
Primary NS (mname)
ns1.hosting.de
Admin Email (rname)
hostmaster@strobel-steuerberater.de
Serial
2025091106
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
900s
Nameservers (NS)
ns1.hosting.de
ns2.hosting.de
ns3.hosting.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.email-security-online.de ip4:195.4.202.172 ip4:80.152.243.249 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
4 records- SPFv=spf1 mx a:mail.email-security-online.de ip4:195.4.202.172 ip4:80.152.243.249 include:spf.protection.outlook.com -all
- XibjZTQxu6bBKFCMOyE6uSL9PH040ARnBbMiipaApFs=
- MS=ms26751391
- MS=A5193143CDE06EB899367B5215BD67F5B713E1AB
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 strobel-steuerberater.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits