Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bit-ca.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 11:54:46 UTC · ↺ Refresh
MX Hostnames
- mail.bit-ca.com
MX Priorities
- mail.bit-ca.com: 0
A / AAAA Records
- 172.67.146.215 (no PTR)
- 104.21.79.178 (no PTR)
- 2606:4700:3036::6815:4fb2 (no PTR)
- 2606:4700:3033::ac43:92d7 (no PTR)
Mail Server IPs
- 148.251.27.1 ↩ ip1.host.binary.codes
SOA Record
Raw SOA
iris.ns.cloudflare.com dns.cloudflare.com 2399791732 10000 2400 604800 1800
Primary NS (mname)
iris.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399791732
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
max.ns.cloudflare.com
iris.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx -all
Full email verification for bit-ca.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits