Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ckah.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 16:53:41 UTC · ↺ Refresh
MX Hostnames
- mx2.hc1395-8.ap.iphmx.com
- mx1.hc1395-8.ap.iphmx.com
MX Priorities
- mx2.hc1395-8.ap.iphmx.com: 20
- mx1.hc1395-8.ap.iphmx.com: 10
A / AAAA Records
- 104.26.10.90 (no PTR)
- 104.26.11.90 (no PTR)
- 172.67.69.132 (no PTR)
- 2606:4700:20::681a:a5a (no PTR)
- 2606:4700:20::681a:b5a (no PTR)
- 2606:4700:20::ac43:4584 (no PTR)
Mail Server IPs
- 23.90.109.95 ↩ esa2.hc1395-8.ap.iphmx.com
- 139.138.45.218 ↩ esa1.hc1395-8.ap.iphmx.com
SOA Record
Raw SOA
cass.ns.cloudflare.com dns.cloudflare.com 2399487320 10000 2400 604800 1800
Primary NS (mname)
cass.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399487320
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jihoon.ns.cloudflare.com
cass.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com exists:%{i}.spf.hc1395-8.ap.iphmx.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- SPFv=spf1 include:spf.protection.outlook.com exists:%{i}.spf.hc1395-8.ap.iphmx.com -all
- ZOOM_verify_oE6UUqR4QFy4iJlNvapGyg
Full email verification for ckah.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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