Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
composecure.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 20:23:52 UTC · ↺ Refresh
MX Hostnames
- d260915b.ess.barracudanetworks.com
- d260915a.ess.barracudanetworks.com
MX Priorities
- d260915b.ess.barracudanetworks.com: 20
- d260915a.ess.barracudanetworks.com: 10
A / AAAA Records
- 104.26.12.158 (no PTR)
- 172.67.72.93 (no PTR)
- 104.26.13.158 (no PTR)
- 2606:4700:20::681a:d9e (no PTR)
- 2606:4700:20::ac43:485d (no PTR)
- 2606:4700:20::681a:c9e (no PTR)
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
elias.ns.cloudflare.com dns.cloudflare.com 2399032246 10000 2400 604800 1800
Primary NS (mname)
elias.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399032246
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
elias.ns.cloudflare.com
mckenzie.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:mktomail.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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
17 records- google-site-verification=LqupgApcpZEMGH1lY3tePQXsVsObszZL_xmXcaQHwWc
- SPFv=spf1 a mx include:mktomail.com include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
- dtm-domain-verification=AgXsA-3vsuFZNtNubDZXwHMDjMDwqgE6dpVeDMo1eTA
- google-site-verification=QrTX48pRHGWr4gyDF_stqvid0uv1DOwjrLHDH5l9xrI
- 1password-site-verification=VRXKXL2I45HZJNOES2QP6MCPXA
- atlassian-domain-verification=KLKTMLTJGvzcnAjhVUeBBYfwzW3Cs9YWw7KMnGDJE8utM7JKVMPH/kP5/GuHGjmf
- knowbe4-site-verification=9c2776052f0a88b37358ebd89e37174d
- 8B7F952D97
- smartsheet-site-validation=2xHiyrV9XWifKh3Az9slLeV86pHxNDTw
- xlQDkMFWaW7WKKdkGuZ4OzuJuMySjKfXvICyKHCBVAx3g1pZL7rvnxJdT7CTWaBzTEIgxbuuEQ/6sdNEaU2nHA==
- cdn.webflow.com
- y16q8l4jpcpvlm2smjtgs7342jkxznd7
- docusign=8e17f59e-ffe9-4400-813a-18e7bdfff386
- apple-domain-verification=6bKZZwIVJT6iBJsj
- cursor-domain-verification-az9v15=kLGvq1P6TfGB7i4LhBrk9kMFU
- MS=028C36195FBDAF4D97D8A6CCF26064F2381AC580
- wiz-domain-verification=856539f3aa245e350fe85aa92b60978dd9281e75db5c57c57457dde6e6d59b33
Full email verification for composecure.com
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