Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colhvac.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 03:48:54 UTC · ↺ Refresh
MX Hostnames
- _dc-mx.9db85e593c22.colhvac.com
MX Priorities
- _dc-mx.9db85e593c22.colhvac.com: 0
A / AAAA Records
- 172.67.147.106 (no PTR)
- 104.21.28.195 (no PTR)
- 2606:4700:3031::ac43:936a (no PTR)
- 2606:4700:3033::6815:1cc3 (no PTR)
Mail Server IPs
- 149.56.23.144 ↩ rhea.canspace.ca
SOA Record
Raw SOA
aron.ns.cloudflare.com dns.cloudflare.com 2398577084 10000 2400 604800 1800
Primary NS (mname)
aron.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398577084
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
zeus.ns.cloudflare.com
aron.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:149.56.23.144 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 +a +mx +ip4:149.56.23.144 ~all
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