Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rev.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 22:29:37 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx01.hornetsecurity.com
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
MX Priorities
- mx04.hornetsecurity.com: 40
- mx03.hornetsecurity.com: 30
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
A / AAAA Records
- 188.245.193.239 ↩ static.239.193.245.188.clients.your-server.de
Mail Server IPs
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
SOA Record
Raw SOA
cns1.alfahosting.info mail.rev.biz 2026021153 28800 7200 604800 10
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
mail@rev.biz
Serial
2026021153
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
10s
Nameservers (NS)
cns3.alfahosting.info
cns2.alfahosting.info
cns1.alfahosting.info
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.hornetsecurity.com include:mail.zendesk.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- apple-domain-verification=vXtwQuM3dVx2ahJY
- SPFv=spf1 a mx include:spf.hornetsecurity.com include:mail.zendesk.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
- google-site-verification=b96KR2Y7tb8VQi2-Vq5plPaKRImXdLRtI0k7Ttu9uJQ
Full email verification for rev.de
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