rimrock.us

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rimrock.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 19:59:44 UTC · ↺ Refresh

MX Hostnames

  • rimrock-us.mail.protection.outlook.com

MX Priorities

  • rimrock-us.mail.protection.outlook.com: 0

A / AAAA Records

  • 216.83.138.1 ↩ host-1.pl1071614-1-srv.fiber.net

Mail Server IPs

  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA margaret.ns.cloudflare.com dns.cloudflare.com 2397112888 10000 2400 604800 1800
Primary NS (mname)
margaret.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397112888
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

rajeev.ns.cloudflare.com
margaret.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com ip4:69.27.9.210 include:servers.mcsv.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

3 records
  • apple-domain-verification=E7zPFI1YMVaf1Apa
  • sophos-domain-verification=574b865f0bf6dc0715ef78420ada5f04e96a238ec3933cb0a8cea1bcf31294f3
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com ip4:69.27.9.210 include:servers.mcsv.net ~all
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