fernandodecastilla.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
fernandodecastilla.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 15:48:06 UTC · ↺ Refresh

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MX Hostnames

  • mail.fernandodecastilla.com

MX Priorities

  • mail.fernandodecastilla.com: 10

A / AAAA Records

  • 164.138.209.12 ↩ server.cadizinformatica.com

Mail Server IPs

  • 164.138.209.12 ↩ server.cadizinformatica.com

SOA Record

Raw SOA ns1.cadizinformatica.com hostmaster.fernandodecastilla.com 2026041804 3600 3600 1209600 86400
Primary NS (mname)
ns1.cadizinformatica.com
Admin Email (rname)
hostmaster@fernandodecastilla.com
Serial
2026041804
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.cadizinformatica.com
ns2.cadizinformatica.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:164.138.209.12 ip4:164.138.210.145 ip4:164.138.210.180 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✗ None detected

No 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 ip4:164.138.209.12 ip4:164.138.210.145 ip4:164.138.210.180 -all
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