Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tristantech.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 12:43:18 UTC · ↺ Refresh
MX Hostnames
- d98820b.ess.barracudanetworks.com
- d98820a.ess.barracudanetworks.com
MX Priorities
- d98820b.ess.barracudanetworks.com: 20
- d98820a.ess.barracudanetworks.com: 10
A / AAAA Records
- 98.158.162.67 ↩ tgfis.com
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
ns1.mismatrix.com hostmaster.mismatrix.com 47 900 600 86400 3600
Primary NS (mname)
ns1.mismatrix.com
Admin Email (rname)
hostmaster@mismatrix.com
Serial
47
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns2.mismatrix.com
ns1.mismatrix.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.naturalnetworks.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:spf.naturalnetworks.com -all
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