koreancenter.org

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-29 15:07:45 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 104.21.36.96 (no PTR)
  • 172.67.191.199 (no PTR)
  • 2606:4700:3030::ac43:bfc7
  • 2606:4700:3030::6815:2460

Mail Server IPs

  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com

SOA Record

Raw SOA cruz.ns.cloudflare.com dns.cloudflare.com 2396792311 10000 2400 604800 1800
Primary NS (mname)
cruz.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396792311
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

gabe.ns.cloudflare.com
cruz.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 +mx +a include:spf.protection.outlook.com include:relay.mailchannels.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;pct=100;fo=0;rf=afrf;ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

2 records
  • SPFv=spf1 +mx +a include:spf.protection.outlook.com include:relay.mailchannels.net ~all
  • MS=ms96618090
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