Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
creabis.de
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 23:21:11 UTC · ↺ Refresh
MX Hostnames
- d335141.b.ess.de.barracudanetworks.com
- d335141.a.ess.de.barracudanetworks.com
MX Priorities
- d335141.a.ess.de.barracudanetworks.com: 10
- d335141.b.ess.de.barracudanetworks.com: 200
A / AAAA Records
- 81.169.145.143 ↩ ws0.rzone.de
- 2a01:238:20a:202:1143:: (no PTR)
Mail Server IPs
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
SOA Record
Raw SOA
shades16.rzone.de hostmaster.strato-rz.de 2020051443 86400 7200 604800 300
Primary NS (mname)
shades16.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051443
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks03.rzone.de
shades16.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf.ess.barracudanetworks.com -all
- google-site-verification=5-VirufVo8ONdwM-osKCmnuk6asmJSiw24bdZY0yav8
Full email verification for creabis.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits