Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
cardiogo.ca
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 08:47:02 UTC · ↺ Refresh
MX Hostnames
- mx2.mailchannels.net
- mail.cardiogo.ca
- mx1.mailchannels.net
MX Priorities
No priority data.
A / AAAA Records
- 104.21.54.167
- 172.67.140.172
- 2606:4700:3030::6815:36a7
- 2606:4700:3035::ac43:8cac
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
tina.ns.cloudflare.com
kirk.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:104.193.141.98 include:smtp.servconfig.com include:constantcontact.com include:relay.mailchannels.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=s;fo=0;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 237 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
2 records- SPFv=spf1 ip4:104.193.141.98 include:smtp.servconfig.com include:constantcontact.com include:relay.mailchannels.net -all
- google-site-verification=-S78wQmR0odbAjKDNPNDrla2yX0KogIbQZNZfsTcmjg
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