rhdefense.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-24 10:14:45 UTC · ↺ Refresh

MX Hostnames

  • rhdefense-com.mail.protection.outlook.com

MX Priorities

  • rhdefense-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 35.227.194.51 ↩ 51.194.227.35.bc.googleusercontent.com
  • 34.160.81.203 ↩ 203.81.160.34.bc.googleusercontent.com
  • 34.160.17.71
  • 35.244.153.44

Mail Server IPs

  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.siteground.net dnsadmin.usm12.siteground.biz 2021021105 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
dnsadmin@usm12.siteground.biz
Serial
2021021105
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns2.siteground.net
ns1.siteground.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 64 chars (valid)
✓ DKIM properly configured for selector: dkim

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=DcoKwgOblPH-ZFLZO0u5Je0dDlEdDQFPmnDNrZc5rMw
  • pinterest-site-verification=5b38f928b59d9c2a344337c58737d99c
  • google-site-verification=lt8l_QZHx4yXuM4oJowefqsMG34xM9i8k7PQM26xUCU
Full email verification for rhdefense.com

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