Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gruenerjaeger.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 18:21:32 UTC · ↺ Refresh
MX Hostnames
- mail.cs537.de
MX Priorities
- mail.cs537.de: 10
A / AAAA Records
- 5.75.164.34 ↩ cs621.fc-server.com
Mail Server IPs
- 167.235.133.95 ↩ mail.cs537.de
- 2a01:4f8:c0c:85f5::1 ↩ mail.cs537.de
SOA Record
Raw SOA
dns.dns1.de hostmaster.partnergate.com 2025091701 28800 7200 604800 86400
Primary NS (mname)
dns.dns1.de
Admin Email (rname)
hostmaster@partnergate.com
Serial
2025091701
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns.dns4.de
dns.dns3.de
dns.dns1.de
dns.dns2.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx -all
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