rthmechanicalcontractors.com

Valid Email Server
Domain Lookup › rthmechanicalcontractors.com

Domain Overview

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

Checked via [email protected] · 2026-03-26 08:31:14 UTC · ↺ Refresh

MX Hostnames

  • mailgate.mainstream.net
  • rthmechanicalcontractors-com.mail.protection.outlook.com

MX Priorities

  • mailgate.mainstream.net: 0
  • rthmechanicalcontractors-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 185.230.63.107 ↩ unalocated.63.wixsite.com
  • 185.230.63.171
  • 185.230.63.186

Mail Server IPs

  • 204.17.131.65 ↩ mailgate.mainstream.net
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com

SOA Record

Raw SOA ns0.wixdns.net support.wix.com 2026031314 10800 3600 1209600 3600
Primary NS (mname)
ns0.wixdns.net
Admin Email (rname)
support@wix.com
Serial
2026031314
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns0.wixdns.net
ns1.wixdns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a:mailgate.mainstream.net websitewelcome.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

1 record
  • SPFv=spf1 a:mailgate.mainstream.net websitewelcome.com include:spf.protection.outlook.com ~all
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