markhamcontracting.com

Valid Email Server
Domain Lookup › markhamcontracting.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 11:13:34 UTC · ↺ Refresh

MX Hostnames

  • markhamcontracting-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
  • 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA ns61.worldnic.com namehost.worldnic.com 121021017 10800 3600 604800 3600
Primary NS (mname)
ns61.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
121021017
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns61.worldnic.com
ns62.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

4 records
  • apple-domain-verification=cKmbNGpoOdRE8SnH
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=YEpm16RJoBzBO3tyoSVJ3YTQGo2nY4W9o4PKkeomiAw
  • rdl1qhhrgmq3gg1vfe86606r79
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