Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tri-rail.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 15:24:54 UTC · ↺ Refresh
MX Hostnames
- rtaexc002.tri-rail.com
MX Priorities
- rtaexc002.tri-rail.com: 0
A / AAAA Records
- 172.66.162.156 (no PTR)
- 104.20.18.197 (no PTR)
- 2606:4700:10::ac42:a29c (no PTR)
- 2606:4700:10::6814:12c5 (no PTR)
Mail Server IPs
- 170.55.21.182 ↩ rtaexc002.tri-rail.com
SOA Record
Raw SOA
johnny.ns.cloudflare.com dns.cloudflare.com 2396343234 10000 2400 604800 1800
Primary NS (mname)
johnny.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396343234
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sima.ns.cloudflare.com
johnny.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:170.55.21.182 a:rtaexc002.tri-rail.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 mx ip4:170.55.21.182 a:rtaexc002.tri-rail.com ~all
- i4ucrjrdad96s73olo2dr33h5p
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