Domain Overview
DNS: ✓ 18d ago
Checker: ✓ 18d ago
900k.es
Disposable
✓ Yes
Unknown
⚠ Yes
Yes
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-06-04 05:43:38 UTC · ↺ Refresh
MX Hostnames
- mail.900k.es
MX Priorities
- mail.900k.es: 10
A / AAAA Records
- 104.21.79.145 (no PTR)
- 172.67.146.76 (no PTR)
- 2606:4700:3030::6815:4f91 (no PTR)
- 2606:4700:3034::ac43:924c (no PTR)
Mail Server IPs
- 178.33.117.117 ↩ mail.900k.es
SOA Record
Raw SOA
jim.ns.cloudflare.com dns.cloudflare.com 2405974309 10000 2400 604800 1800
Primary NS (mname)
jim.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2405974309
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
uma.ns.cloudflare.com
jim.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=quarantine; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 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
1 record- SPFv=spf1 mx -all
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