Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cardiosound.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 13:16:38 UTC · ↺ Refresh
MX Hostnames
- west.smtp.mx.exch122.serverdata.net
MX Priorities
- west.smtp.mx.exch122.serverdata.net: 10
A / AAAA Records
- 198.185.159.144 (no PTR)
- 198.49.23.144 (no PTR)
- 198.185.159.145 (no PTR)
- 198.49.23.145 (no PTR)
Mail Server IPs
- 64.78.32.78 ↩ west.smtp.mx.exch122.serverdata.net
SOA Record
Raw SOA
ns99.worldnic.com namehost.worldnic.com 122101209 10800 3600 604800 3600
Primary NS (mname)
ns99.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
122101209
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns100.worldnic.com
ns99.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.serverdata.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.serverdata.net -all
Full email verification for cardiosound.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits