Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fastblockmining.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 04:43:14 UTC · ↺ Refresh
MX Hostnames
- 127.0.0.1
MX Priorities
- 127.0.0.1: 0
A / AAAA Records
- 127.0.0.1 ↩ localhost
Mail Server IPs
- 127.0.0.1 ↩ localhost
- ::ffff:7f00:1 ↩ localhost
SOA Record
Raw SOA
ns1.halux.com.br suporte.cirrus.com.br 2025102403 10800 3600 1814400 10800
Primary NS (mname)
ns1.halux.com.br
Admin Email (rname)
suporte@cirrus.com.br
Serial
2025102403
Refresh
10800s
Retry
3600s
Expire
1814400s
Minimum TTL
10800s
Nameservers (NS)
ns2.halux.com.br
ns1.halux.com.br
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 -all
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