williamhvacservice.com

Valid Email Server
Domain Lookup › williamhvacservice.com

Domain Overview

DNS: ✓ 27d ago Checker: ✓ 27d ago
williamhvacservice.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-08-12 16:37:11 UTC · ↺ Refresh

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MX Hostnames

  • mx02.cbsolt.net
  • williamhvacservice-com.mail.protection.outlook.com
  • mx01.cbsolt.net

MX Priorities

  • mx01.cbsolt.net: 10
  • mx02.cbsolt.net: 20
  • williamhvacservice-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.143.213
  • 104.21.95.81
  • 2606:4700:3033::ac43:8fd5
  • 2606:4700:3036::6815:5f51

Mail Server IPs

  • 185.97.217.85 ↩ mx01.cbsolt.net
  • 185.97.217.87 ↩ mx02.cbsolt.net
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA rocky.ns.cloudflare.com dns.cloudflare.com 2410265010 10000 2400 604800 1800
Primary NS (mname)
rocky.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2410265010
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

rosa.ns.cloudflare.com
rocky.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:secureserver.net -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:secureserver.net -all
  • NETORGFT20525202.onmicrosoft.com
  • mailconf=https://autoconfig.williamhvacservice.com/mail/config-v1.1.xml
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