rct-systems.com

Valid Email Server
Domain Lookup › rct-systems.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
rct-systems.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 23:37:15 UTC · ↺ Refresh

MX Hostnames

  • rctsystemsinc.mail.protection.office365.us

MX Priorities

No priority data.

A / AAAA Records

  • 107.180.28.163

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns62.domaincontrol.com
ns61.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:96.83.78.138 ip4:96.95.44.97 ip4:100.16.80.86 ip4:100.16.80.82 include:spf.protection.office365.us -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • DLDXYBEBWLALSjty+4neNeRj4DAFwURlF9wVyTg52FFOJmAolhbfny1uya3HxnrQIRWeCXJveOiOK0Hgvh4buQ==
  • SPFv=spf1 ip4:96.83.78.138 ip4:96.95.44.97 ip4:100.16.80.86 ip4:100.16.80.82 include:spf.protection.office365.us -all
  • linkedin-site-verification=15e14a62-df0b-4199-bbdf-8de56da68183
  • v=verifydomain MS=9141048
  • MS=ms17068189
Full email verification for rct-systems.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits