rdh.com

Valid Email Server
Domain Lookup › rdh.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rdh.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 05:17:49 UTC · ↺ Refresh

MX Hostnames

  • rdh-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 54.219.38.186 ↩ ec2-54-219-38-186.us-west-1.compute.amazonaws.com

Mail Server IPs

  • 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com

SOA Record

Raw SOA ns13.domaincontrol.com dns.jomax.net 2026021000 28800 7200 604800 600
Primary NS (mname)
ns13.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns14.domaincontrol.com
ns13.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:208.98.209.188 ip4:208.98.209.187 ip4:208.98.209.186 ip4:184.69.147.50 ip4:162.217.236.18 ip4:72.12.140.170 ip4:66.244.219.234 ip4:142.0.156.6 ip4:50.229.245.2 ip4:50.250.27.65 ip4:50.145.95.174 ip4:50.240.196.105 ip4:4.1.209.106 ip4:173.8.209.85 ip4:65.57.71.35 ip4:96.66.243.33 ip4:184.71.24.10 ip4:209.53.242.98 include:spf.protection.outlook.com include:servers.mcsv.net include:spf-ca.emailsignatures365.com include:_spf.ultipro.com include:_spf.smtp.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=20; rua=mailto:[email protected]; sp=quarantine; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
⚠ Policy applies to 20% of failing messages only

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

9 records
  • miro-verification=b7b13d61b287566be30d1c645dcfedc55706d6ba
  • google-site-verification=Ym3yh90j41mzzL5zVtjTHUV5Ky67tA7ZAf5F96T4giM
  • apple-domain-verification=KpCt5I7pvs47PdAy
  • 1password-site-verification=K6BD6PFLABHPVJQ2CQRUZBKC6U
  • asv=1b877b845e9858d1a02d498d775e2cc9
  • dropbox-domain-verification=9804kozxqhne
  • cmRoYnVpbGRpbmc=
  • 4n6q1le526jpsdqs3okpiia2vg
  • SPFv=spf1 a mx ip4:208.98.209.188 ip4:208.98.209.187 ip4:208.98.209.186 ip4:184.69.147.50 ip4:162.217.236.18 ip4:72.12.140.170 ip4:66.244.219.234 ip4:142.0.156.6 ip4:50.229.245.2 ip4:50.250.27.65 ip4:50.145.95.174 ip4:50.240.196.105 ip4:4.1.209.106 ip4:173.8.209.85 ip4:65.57.71.35 ip4:96.66.243.33 ip4:184.71.24.10 ip4:209.53.242.98 include:spf.protection.outlook.com include:servers.mcsv.net include:spf-ca.emailsignatures365.com include:_spf.ultipro.com include:_spf.smtp.com ~all
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