masscp.org

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
masscp.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 20:44:56 UTC · ↺ Refresh

MX Hostnames

  • masscp-org.mail.protection.outlook.com

MX Priorities

  • masscp-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.18.29.92 (no PTR)
  • 104.18.28.92 (no PTR)
  • 2606:4700::6812:1d5c
  • 2606:4700::6812:1c5c

Mail Server IPs

  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA kallie.ns.cloudflare.com dns.cloudflare.com 2396500697 10000 2400 604800 1800
Primary NS (mname)
kallie.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396500697
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kallie.ns.cloudflare.com
trevor.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:209.160.146.59 ip4:192.103.126.243 include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
s2._domainkey
✓ Public key: 392 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

7 records
  • MS=ms55930341
  • google-site-verification=69MjTruDsaGwtrUuVQZY_zObq0NZYFid2fXDCYdVz6I
  • google-site-verification=D7SzG_WcLXzA4HHFv0udCQBUruozA_Zb2F4RKKVjMGE
  • google-site-verification=qb7QUo7WEpxMSwI-ASL1nYOFo3vr6hMHzyE2-2ce8nM
  • SPFv=spf1 mx a ip4:209.160.146.59 ip4:192.103.126.243 include:spf.protection.outlook.com ~all
  • AesVUm98LlGN5iFsQx3bvNcdVMET0k8nE8ytywVGlVhlgf1d6hVKug0fUSl0rRq1vlg15yA3HHro3dKoNOXx3A==
  • MS=4A0C05E04E4952C04170237F4C07125520AF0DB4
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