Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
redsped.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 14:31:42 UTC · ↺ Refresh
MX Hostnames
- mail.robert-mueller.com
- mail2.robert-mueller.com
MX Priorities
- mail.robert-mueller.com: 10
- mail2.robert-mueller.com: 20
A / AAAA Records
- 31.220.124.56 ↩ r28155.agenturserver.it
Mail Server IPs
- 212.18.199.2 ↩ mail.robert-mueller.com
- 217.24.224.246 ↩ mail.robert-mueller.com
SOA Record
Raw SOA
ns01.agenturserver.de support.mittwald.de 1754306079 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1754306079
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns01.agenturserver.de
ns01.agenturserver.co
ns01.agenturserver.it
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.184.247.173 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- MS=ms79226894
- google-site-verification=e2kABbx9kwRnyFM0lSVq7tgL9Xil-2W7EYjyQ5HuMY8
- MS=9F2A47EBB8DF1B1B8EC262795C927AD81C278849
- SPFv=spf1 ip4:212.184.247.173 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
- R368PO9rYVx/FGrvOG4WowkW8z63eY+977E41MDaf+nAsnp+CXmXpPwFdZ2UM+bOzXt0M+vkU75CCvVr26RVMQ==
Full email verification for redsped.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits