rgconstruction.com

Valid Email Server
Domain Lookup › rgconstruction.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 11:05:14 UTC · ↺ Refresh

MX Hostnames

  • rgconstruction-com.mail.protection.outlook.com

MX Priorities

  • rgconstruction-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 151.101.194.159 (no PTR)

Mail Server IPs

  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-08.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns2-08.azure-dns.net
ns3-08.azure-dns.org
ns4-08.azure-dns.info
ns1-08.azure-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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

6 records
  • eCdhAUBS8fAEQgYfBIUMMRZhj4sZc7bC7EHQ549qwywwhr7G4duq7ciIIMV5ZtkxsatkUTH5ykFWvR/WJbVFzw==
  • apple-domain-verification=jH5VfRcljm2WqrLN
  • n54t8v0t01b1dp8pi1dprjtat
  • aasbv8hok8bnn2rjb1jttl57bn
  • MS=ms71878511
  • SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ~all
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