rtoautocenters.com

Valid Email Server
Domain Lookup › rtoautocenters.com

Domain Overview

DNS: ✓ 21h ago Checker: ✓ 21h ago
rtoautocenters.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-10-10 09:11:08 UTC · ↺ Refresh

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MX Hostnames

  • kcxec1n6.computerstlouis.com
  • stlxec1n5.computerstlouis.com

MX Priorities

  • stlxec1n5.computerstlouis.com: 10
  • kcxec1n6.computerstlouis.com: 20

A / AAAA Records

  • 104.21.29.118 (no PTR)
  • 172.67.148.248 (no PTR)
  • 2606:4700:3030::ac43:94f8 (no PTR)
  • 2606:4700:3032::6815:1d76 (no PTR)

Mail Server IPs

  • 130.250.215.6 ↩ stlxec1n5.computerstlouis.com
  • 38.65.96.6 ↩ stlxec1n5.computerstlouis.com
  • 208.110.87.196 ↩ kcxec1n6.computerstlouis.com

SOA Record

Raw SOA angela.ns.cloudflare.com dns.cloudflare.com 2416268912 10000 2400 604800 1800
Primary NS (mname)
angela.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2416268912
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

angela.ns.cloudflare.com
greg.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.computerstlouis.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

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
  • _g3o9ovwp703z69g16vs83ago1b1megc
  • SPFv=spf1 include:spf.computerstlouis.com -all
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