Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kanaronline.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 13:34:51 UTC · ↺ Refresh
MX Hostnames
- mx1.b2btechus.com
MX Priorities
- mx1.b2btechus.com: 0
A / AAAA Records
- 104.26.4.20 (no PTR)
- 104.26.5.20 (no PTR)
- 172.67.70.27 (no PTR)
- 2606:4700:20::681a:514 (no PTR)
- 2606:4700:20::ac43:461b (no PTR)
- 2606:4700:20::681a:414 (no PTR)
Mail Server IPs
- 18.211.211.139 ↩ mx1.b2btechus.com
SOA Record
Raw SOA
bella.ns.cloudflare.com dns.cloudflare.com 2398239400 10000 2400 604800 1800
Primary NS (mname)
bella.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398239400
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
bella.ns.cloudflare.com
gordon.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:mx1.b2btechus.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];fo=0;adkim=r;aspf=r;pct=100;rf=afrf;ri=86400;sp=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 3 found
dkim._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a mx include:mx1.b2btechus.com ~all
- netbool.azurewebsites.net
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