Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
plenus-tax.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 01:38:36 UTC · ↺ Refresh
MX Hostnames
- mail.its.csm-gruppe.de
MX Priorities
- mail.its.csm-gruppe.de: 10
A / AAAA Records
- 91.210.225.60 ↩ s60.internetwerk.de
Mail Server IPs
- 91.190.205.171 ↩ mail.its.csm-gruppe.de
SOA Record
Raw SOA
ns1.internetwerk.de root.ns1.internetwerk.de 1773315720 10800 3600 604800 3600
Primary NS (mname)
ns1.internetwerk.de
Admin Email (rname)
root@ns1.internetwerk.de
Serial
1773315720
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.internetwerk.de
ns2.internetwerk.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:mailout.its.csm-gruppe.de ip4:91.190.205.175 include:spf.internetwerk.de include:spf.protection.outlook.com include:spf.mxg.cloud -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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- MS=ms69265851
- SPFv=spf1 mx a:mailout.its.csm-gruppe.de ip4:91.190.205.175 include:spf.internetwerk.de include:spf.protection.outlook.com include:spf.mxg.cloud -all
- google-site-verification=R3TxcAh9GtjC050PLx2AVi0ncNgZUY0Pt3414qr0drE
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