Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
btsblock.com
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 16:13:22 UTC · ↺ Refresh
MX Hostnames
- mail.tempmailbox.net
MX Priorities
- mail.tempmailbox.net: 10
A / AAAA Records
- 104.21.42.150 (no PTR)
- 172.67.163.10 (no PTR)
- 2606:4700:3036::6815:2a96 (no PTR)
- 2606:4700:3031::ac43:a30a (no PTR)
Mail Server IPs
- 206.189.155.8 ↩ mail.tempmailbox.net
SOA Record
Raw SOA
dawn.ns.cloudflare.com dns.cloudflare.com 2396871405 10000 2400 604800 1800
Primary NS (mname)
dawn.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396871405
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tim.ns.cloudflare.com
dawn.ns.cloudflare.com
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; sp=reject; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
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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