Domain Overview
DNS: ✓ 10h ago
Checker: ✓ 10h ago
cibersam.es
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-01 04:40:12 UTC · ↺ Refresh
MX Hostnames
- correo.ciberisciii.es
MX Priorities
- correo.ciberisciii.es: 10
A / AAAA Records
- 172.67.182.192 (no PTR)
- 104.21.18.166 (no PTR)
- 2606:4700:3031::ac43:b6c0 (no PTR)
- 2606:4700:3032::6815:12a6 (no PTR)
Mail Server IPs
- 217.76.158.180 ↩ correo.ciberisciii.es
SOA Record
Raw SOA
chelsea.ns.cloudflare.com dns.cloudflare.com 2407147245 10000 2400 604800 1800
Primary NS (mname)
chelsea.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2407147245
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
chelsea.ns.cloudflare.com
chris.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx a include:spf.mailjet.com include:fontventa.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- HARICA-zIpZpmjvYgUe9yiF7mz
- SPFv=spf1 mx a include:spf.mailjet.com include:fontventa.com -all
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