rndcontractorsinc.com

Valid Email Server
Domain Lookup › rndcontractorsinc.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rndcontractorsinc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 17:59:44 UTC · ↺ Refresh

MX Hostnames

  • rndcontractorsinc-com.mail.protection.outlook.com

MX Priorities

  • rndcontractorsinc-com.mail.protection.outlook.com: 0

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.uia.net dns.uia.net 2026012401 86400 3600 604800 86400
Primary NS (mname)
ns1.uia.net
Admin Email (rname)
dns@uia.net
Serial
2026012401
Refresh
86400s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.uia.net
ns2.uia.net

SPF Record

✓ Strict (-all)
v=spf1 include:spfa.cpmails.com include:spf.protection.outlook.com include:spf.smtp2go.com ip4:12.218.12.0/24 -all
📊 DNS lookups: 3/10
✓ 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

3 records
  • SPFv=spf1 include:spfa.cpmails.com include:spf.protection.outlook.com include:spf.smtp2go.com ip4:12.218.12.0/24 -all
  • MS=ms10496112
  • v8au5ntgmt2po7jd9g64oggajb
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