concretepaversystems.com

Valid Email Server
Domain Lookup › concretepaversystems.com

Domain Overview

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

Checked via [email protected] · 2026-03-23 23:09:39 UTC · ↺ Refresh

MX Hostnames

  • mail5.concretepaversystems.com
  • mail4.concretepaversystems.com
  • mail2.concretepaversystems.com
  • concretepaversystems-com.mail.protection.outlook.com
  • mail3.concretepaversystems.com

MX Priorities

  • mail4.concretepaversystems.com: 30
  • mail5.concretepaversystems.com: 40
  • mail3.concretepaversystems.com: 20
  • concretepaversystems-com.mail.protection.outlook.com: 1
  • mail2.concretepaversystems.com: 10

A / AAAA Records

  • 208.113.218.96

Mail Server IPs

  • 24.173.194.142 ↩ syn-024-173-194-142.biz.spectrum.com
  • 24.173.194.143 ↩ syn-024-173-194-143.biz.spectrum.com
  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns67.worldnic.com namehost.worldnic.com 119041117 10800 3600 604800 3600
Primary NS (mname)
ns67.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
119041117
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns68.worldnic.com
ns67.worldnic.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
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • vaf6aofi9c68sqcu6j5i0cjgkj
  • MS=ms37290435
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