esi-express.com

Valid Email Server
Domain Lookup › esi-express.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
esi-express.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 03:18:37 UTC · ↺ Refresh

MX Hostnames

  • esiconstruction-mx2.titanhq.com
  • esiconstruction-mx1.titanhq.com

MX Priorities

  • esiconstruction-mx2.titanhq.com: 5
  • esiconstruction-mx1.titanhq.com: 5

A / AAAA Records

  • 209.17.116.163 (no PTR)

Mail Server IPs

  • 13.52.68.105 ↩ spamtitan1.esiconstruction.com
  • 184.169.193.150 ↩ ec2-184-169-193-150.us-west-1.compute.amazonaws.com

SOA Record

Raw SOA ns37.worldnic.com namehost.worldnic.com 125111813 10800 3600 604800 3600
Primary NS (mname)
ns37.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125111813
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns37.worldnic.com
ns38.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:207.114.236.164/32 ip4:209.141.113.74/32 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

6 records
  • zoho-verification=zb44705824.zmverify.zoho.com
  • SPFv=spf1 ip4:207.114.236.164/32 ip4:209.141.113.74/32 ~all
  • MS=ms46681026
  • knowbe4-site-verification=31c07cca355d8a6316a5e5dc10d611bd
  • ExQ7g19lFtm3SuR3JrOBVbJoxhOfDB2f0ZK6XkH+B8jP7MsteOTcAVsHeEMhWoDt+HaOtmZmqXITOC+TdfqxXg==
  • ZW5nc3RydWM=
Full email verification for esi-express.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits