Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schwarzenbrink.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 14:05:56 UTC · ↺ Refresh
MX Hostnames
- mail.che-hosting.de
MX Priorities
- mail.che-hosting.de: 0
A / AAAA Records
- 91.98.236.46 ↩ web.che-hosting.de
Mail Server IPs
- 91.98.139.233 ↩ mail.che-hosting.de
- 2a01:4f8:1c1e:6491::1 ↩ mail.che-hosting.de
SOA Record
Raw SOA
ns1.first-ns.de admins.che-solutions.de 2026030900 10800 1800 2419200 3600
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
admins@che-solutions.de
Serial
2026030900
Refresh
10800s
Retry
1800s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.che-hosting.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.che-hosting.de -all
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