Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
optocraft.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 17:02:52 UTC · ↺ Refresh
MX Hostnames
- porta-m1.optocraft.de
MX Priorities
- porta-m1.optocraft.de: 10
A / AAAA Records
- 195.201.148.185 ↩ static.185.148.201.195.clients.your-server.de
Mail Server IPs
- 213.95.4.228 ↩ porta-m1.optocraft.de
SOA Record
Raw SOA
docks14.rzone.de hostmaster.strato-rz.de 2020050856 86400 7200 604800 300
Primary NS (mname)
docks14.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050856
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades12.rzone.de
docks14.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:213.95.4.224/29 include:_spf.strato.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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 mx ip4:213.95.4.224/29 include:_spf.strato.com -all
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