smilesfirst.com

Valid Email Server
Domain Lookup › smilesfirst.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
smilesfirst.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 00:19:51 UTC · ↺ Refresh

MX Hostnames

  • mx-01.tntsupport.net

MX Priorities

  • mx-01.tntsupport.net: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 8.40.242.176 ↩ mail-01.tntsupport.net

SOA Record

Raw SOA ns-1127.awsdns-12.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1127.awsdns-12.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-393.awsdns-49.com
ns-713.awsdns-25.net
ns-1127.awsdns-12.org
ns-1678.awsdns-17.co.uk

SPF Record

✓ Strict (-all)
v=spf1 mx a:mail-01.tntsupport.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No 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 a:mail-01.tntsupport.net -all
  • google-site-verification=ZvV1jMKSccuyoP0bfgzkdujxc70jptsineO2qZ0YPSE
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