Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
businesscenter-niederrhein.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 13:52:35 UTC · ↺ Refresh
MX Hostnames
- w01b2785.kasserver.com
- mxlb.ispgateway.de
MX Priorities
- w01b2785.kasserver.com: 100
- mxlb.ispgateway.de: 200
A / AAAA Records
- 91.98.198.183 ↩ static.183.198.98.91.clients.your-server.de
Mail Server IPs
- 85.13.167.158 ↩ dd55420.kasserver.com
- 80.67.18.126 ↩ mxlb.ispgateway.de
SOA Record
Raw SOA
ns81.domaincontrol.com dns.jomax.net 2026020200 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026020200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns81.domaincontrol.com
ns82.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:w01b2785.kasserver.com include:ispgateway.de mx ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ 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
3 records- SPFv=spf1 a:w01b2785.kasserver.com include:ispgateway.de mx ~all
- google-site-verification=XEsl2-0Dk0xmC-nuIvkfMh3fBEaDz1q0ebW7nji8mNk
- MS=ms95581023
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