Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tttcool.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 05:56:54 UTC · ↺ Refresh
MX Hostnames
- d296241b.ess.barracudanetworks.com
- d296241a.ess.barracudanetworks.com
MX Priorities
- d296241b.ess.barracudanetworks.com: 10
- d296241a.ess.barracudanetworks.com: 5
A / AAAA Records
- 172.67.143.139 (no PTR)
- 104.21.39.53 (no PTR)
- 2606:4700:3035::6815:2735 (no PTR)
- 2606:4700:3034::ac43:8f8b (no PTR)
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
kipp.ns.cloudflare.com dns.cloudflare.com 2398920929 10000 2400 604800 1800
Primary NS (mname)
kipp.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398920929
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kipp.ns.cloudflare.com
walk.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:mailgun.org a:dispatch-us.ppe-hosted.com include:_spf.psm.knowbe4.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ 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
5 records- apple-domain-verification=M01MrS9VSeCpB6r8
- knowbe4-site-verification=35a06503da0bff6cee035d806f0a5bd1
- ppe-c6589eb443e313e5732e2c7fd8e907d397a1f7d3
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:mailgun.org a:dispatch-us.ppe-hosted.com include:_spf.psm.knowbe4.com ~all
- MS=ms59717440
Full email verification for tttcool.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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