Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
cards-tech.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 22:22:36 UTC · ↺ Refresh
MX Hostnames
- cardstech-com01c.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 15.197.225.128
- 3.33.251.168
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns25.domaincontrol.com
ns26.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:smtp.smileback.com include:spf.myconnectwise.net include:spf.protection.outlook.com include:sendgrid.net include:spf.us.exclaimer.net ip4:204.156.175.2 ip4:64.94.35.32 ip4:167.89.70.61/32 ip4:50.31.33.121 -all
📊 DNS lookups: 5/10
✓ 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- dii6421ufdp716k19rcitjcg2o
- duo_sso_verification=JmtXvWFs2vZxa2kuunzbIIO3yHH4jgD4Omr0CTUobx4uF851d0eAWSgBv3dFNCQw
- pax8-verification=0a40fbb6-6ac0-37e4-84c9-b4684ece7cf9
- SPFv=spf1 include:smtp.smileback.com include:spf.myconnectwise.net include:spf.protection.outlook.com include:sendgrid.net include:spf.us.exclaimer.net ip4:204.156.175.2 ip4:64.94.35.32 ip4:167.89.70.61/32 ip4:50.31.33.121 -all
- apple-domain-verification=7yupnc0JaLbw5dms
- Foxit-domain-verification=ef45a3101cf0b3a43a3ba9c7f9fb3c8a
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