Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
buero-h2.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 15:58:02 UTC · ↺ Refresh
MX Hostnames
- secmail02.cloud4partner.net
- secmail01.cloud4partner.net
MX Priorities
- secmail01.cloud4partner.net: 10
- secmail02.cloud4partner.net: 20
A / AAAA Records
- 78.47.8.179 ↩ dedi2633.your-server.de
Mail Server IPs
- 194.126.198.228 ↩ securemail01.cloud4partner.net
- 194.126.198.229 ↩ securemail02.cloud4partner.net
- 194.126.198.231 ↩ securemail02.cloud4partner.net
- 194.126.198.230 ↩ securemail01.cloud4partner.net
SOA Record
Raw SOA
docks02.rzone.de hostmaster.strato-rz.de 2020050831 86400 7200 604800 300
Primary NS (mname)
docks02.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050831
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades14.rzone.de
docks02.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 a:ma03-relay.lansolnet.com a:ma04-relay.lansolnet.com -all
📊 DNS lookups: 2/10
✓ 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
✗ 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
1 record- SPFv=spf1 a:ma03-relay.lansolnet.com a:ma04-relay.lansolnet.com -all
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