Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
optitool.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 02:50:56 UTC · ↺ Refresh
MX Hostnames
- zimbra.optitool.de
MX Priorities
- zimbra.optitool.de: 10
A / AAAA Records
- 213.133.104.160 ↩ www160.your-server.de
Mail Server IPs
- 95.130.165.165 ↩ zimbra.optitool.de
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026031900 86400 1800 3600000 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026031900
Refresh
86400s
Retry
1800s
Expire
3600000s
Minimum TTL
7200s
Nameservers (NS)
ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:95.130.165.165 include:servers.mcsv.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; aspf=r; adkim=r; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
mail._domainkey
dkim._domainkey
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- brevo-code:f1cc2b3cdfc8008d1aca8007adb608a2
- google-site-verification=ZIXsUpiGoc1EBX9SYw8vTvu74xxZ3c8LEAuJ8XyocYU
- SPFv=spf1 mx ip4:95.130.165.165 include:servers.mcsv.net -all
- 201712071335272pwsq1xgkubefnrm3fr46tlw0p171rtzau5ybssdrkpyxmby0d
- apple-domain-verification=lQuLdzFiW0PjdiGV
Full email verification for optitool.de
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