rjrconstruction.ca

Valid Email Server
Domain Lookup › rjrconstruction.ca

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rjrconstruction.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 06:05:07 UTC · ↺ Refresh

MX Hostnames

  • rjrconstruction-ca.mail.protection.outlook.com

MX Priorities

  • rjrconstruction-ca.mail.protection.outlook.com: 10

A / AAAA Records

  • 160.153.0.101 ↩ 101.0.153.160.host.secureserver.net

Mail Server IPs

  • 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.meganameservers.com postmaster.meganameservers.com 2025011823 86400 86400 3600000 86400
Primary NS (mname)
ns1.meganameservers.com
Admin Email (rname)
postmaster@meganameservers.com
Serial
2025011823
Refresh
86400s
Retry
86400s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns3.meganameservers.com
ns2.meganameservers.com
ns1.meganameservers.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -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

✗ 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
  • 3vcpgkov015u9g0sf5ia4psqh0
  • MS=ms85820447
  • SPFv=spf1 include:spf.protection.outlook.com -all
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