Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stb-sewald.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 18:52:46 UTC · ↺ Refresh
MX Hostnames
- maildomain.datevnet.de
- maildomain.datevnet.com
MX Priorities
- maildomain.datevnet.com: 20
- maildomain.datevnet.de: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 193.27.49.207 ↩ maildomain.datevnet.com
- 193.27.49.221 ↩ maildomain.datevnet.com
- 2a00:e50:f155:7::cf ↩ maildomain.datevnet.com
- 2a00:e50:f155:7::dd ↩ maildomain.datevnet.com
- 193.27.49.206 ↩ maildomain.datevnet.de
- 193.27.49.220 ↩ maildomain.datevnet.de
- 2a00:e50:f155:7::dc ↩ maildomain.datevnet.de
- 2a00:e50:f155:7::ce ↩ maildomain.datevnet.de
SOA Record
Raw SOA
ns1.cosmosnet.de isp.cosmosnet.de 2025122200 10800 1800 604800 43200
Primary NS (mname)
ns1.cosmosnet.de
Admin Email (rname)
isp@cosmosnet.de
Serial
2025122200
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
43200s
Nameservers (NS)
ns3.cosmosnet.de
ns2.cosmosnet.de
ns1.cosmosnet.de
SPF Record
✓ Strict (-all)
v=spf1 a mx a:mail.nitsche-asp.de include:maildomain._spf.datev.de include:datevnet._spf.datev.de include:spf.protection.outlook.com include:spf.mxg.cloud -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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=ms27731158
- swisssign-check=ZxqwZSq7OuiRXQ1htaBqi6PTF6A
- SPFv=spf1 a mx a:mail.nitsche-asp.de include:maildomain._spf.datev.de include:datevnet._spf.datev.de include:spf.protection.outlook.com include:spf.mxg.cloud -all
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