redhillsventures.com

Valid Email Server
Domain Lookup › redhillsventures.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 08:36:56 UTC · ↺ Refresh

MX Hostnames

  • redhillsventures-com.mail.protection.outlook.com

MX Priorities

  • redhillsventures-com.mail.protection.outlook.com: 3600

A / AAAA Records

  • 74.208.236.76 ↩ 74-208-236-76.elastic-ssl.ui-r.com
  • 2607:f1c0:100f:f000::25f ↩ 2607-f1c0-100f-f000-0000-0000-0000-025f.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA ns51.1and1.com hostmaster.1and1.com 2017041816 28800 7200 604800 300
Primary NS (mname)
ns51.1and1.com
Admin Email (rname)
hostmaster@1and1.com
Serial
2017041816
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns52.1and1.com
ns51.1and1.com

SPF Record

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

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; adkim=s; aspf=s; rf=afrf; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine

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 include:spf.protection.outlook.com -all
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