Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ratbacher.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 21:17:50 UTC · ↺ Refresh
MX Hostnames
- ratbacher-de.mail.protection.outlook.com
MX Priorities
- ratbacher-de.mail.protection.outlook.com: 0
A / AAAA Records
- 78.46.144.70 ↩ dedi4107.your-server.de
Mail Server IPs
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2026022300 14400 1800 604800 3600
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026022300
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
robotns3.second-ns.com
ns1.first-ns.de
robotns2.second-ns.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.cluster3.4hr.de include:spf.protection.outlook.com ip4:94.186.197.236/29 ip4:37.24.175.40/29 ip4:94.186.197.168/29 ip4:92.51.187.64/27 ip4:83.169.51.224/27 ip4:80.237.187.32/28 ip4:91.250.74.128/27 ip4:87.230.74.128/28 ip4:91.250.95.64/26 ip4:85.25.89.0/24 ip4:95.130.251.12 -all
📊 DNS lookups: 4/10
✓ 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
6 records- AEqI6jYtnyrogta/Jqla6P0cpc55yeS5K253njTUlX92ji+/3NPd6dxmzD1Bzh9K8b01CIB4YYXDDaqPEkXbCg==
- MS=ms57476003
- atlassian-domain-verification=pbzZsGXmdoHS9/LchXJj0GoddRBaQkECGQ0nb4NCSy1Qo27b41QSzFVEhU23WSwf
- dell-technologies-domain-verification=ratbacher.de_9f5b9ae0-a00b-4208-ad5f-57c8a1aeaec7_1748091519
- google-site-verification=QmdMgUwzYQcu_Ym2yhuUQdunpwdNpB3iVMQCDNIt-QM
- SPFv=spf1 a mx include:spf.cluster3.4hr.de include:spf.protection.outlook.com ip4:94.186.197.236/29 ip4:37.24.175.40/29 ip4:94.186.197.168/29 ip4:92.51.187.64/27 ip4:83.169.51.224/27 ip4:80.237.187.32/28 ip4:91.250.74.128/27 ip4:87.230.74.128/28 ip4:91.250.95.64/26 ip4:85.25.89.0/24 ip4:95.130.251.12 -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 ratbacher.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits