Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
proactivehealth.ca
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 12:23:27 UTC · ↺ Refresh
MX Hostnames
- spam2.hosted.systemlifeline.com
- spam1.hosted.systemlifeline.com
MX Priorities
- spam2.hosted.systemlifeline.com: 0
- spam1.hosted.systemlifeline.com: 10
A / AAAA Records
- 23.176.0.94 ↩ host2.systemlifeline.com
Mail Server IPs
- 205.207.142.234 ↩ spam2.hosted.systemlifeline.com
- 23.176.0.68 ↩ spam1.hosted.systemlifeline.com
SOA Record
Raw SOA
ns3.systemlifeline.com alltechs.systemlifeline.com 2026031402 3600 1800 1209600 86400
Primary NS (mname)
ns3.systemlifeline.com
Admin Email (rname)
alltechs@systemlifeline.com
Serial
2026031402
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.systemlifeline.com
ns4.systemlifeline.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:205.207.142.234/32 ip4:23.176.0.68/32 include:spf.protection.outlook.com include:spf.smtp2go.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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
3 records- SPFv=spf1 ip4:205.207.142.234/32 ip4:23.176.0.68/32 include:spf.protection.outlook.com include:spf.smtp2go.com -all
- MS=ms70660664
- ms=ms27502302
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