Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pro-secur.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 21:03:54 UTC · ↺ Refresh
MX Hostnames
- mx-02-eu-central-1.prod.hydra.sophos.com
- mx-01-eu-central-1.prod.hydra.sophos.com
MX Priorities
- mx-02-eu-central-1.prod.hydra.sophos.com: 1
- mx-01-eu-central-1.prod.hydra.sophos.com: 0
A / AAAA Records
- 85.13.162.77 ↩ dd20436.kasserver.com
Mail Server IPs
- 18.159.237.67 ↩ ec2-18-159-237-67.eu-central-1.compute.amazonaws.com
- 52.57.79.230 ↩ ec2-52-57-79-230.eu-central-1.compute.amazonaws.com
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2603031203 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2603031203
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns6.kasserver.com
ns5.kasserver.com
ns3.kas-dns-server.de
a-dns-service.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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
4 records- sophos-domain-verification=46ff1ecdf92d52d90d0ae1a2120380e712854178
- sophos-domain-verification=83996769ec946bf2f11f225a652a5f72772508759cfd3e09f9e7a614e3743e51
- MS=ms79902666
- SPFv=spf1 include:spf.protection.outlook.com include:_spf_eucentral1.prod.hydra.sophos.com -all
Full email verification for pro-secur.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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