zealcu.org

Valid Email Server
Domain Lookup › zealcu.org

Domain Overview

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

Checked via [email protected] · 2026-03-18 19:42:47 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 3.133.242.155 ↩ ec2-3-133-242-155.us-east-2.compute.amazonaws.com
  • 3.13.151.21 ↩ ec2-3-13-151-21.us-east-2.compute.amazonaws.com
  • 18.220.219.176

Mail Server IPs

  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA gannon.ns.cloudflare.com dns.cloudflare.com 2398593926 10000 2400 604800 1800
Primary NS (mname)
gannon.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398593926
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

haley.ns.cloudflare.com
gannon.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:208.85.54.60 ip4:96.27.136.70 ip4:97.78.108.234 include:spf.digitalinsight.com include:spf.cashedge.com include:spf-mi.doxim.com include:spfref.jackhenry.com a:monitor.ensenta.com include:_external.velera.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; aspf=r; adkim=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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

9 records
  • 2m5ljsogms9sbij5squdlpduno
  • MS=ms96597740
  • XSe5xyXy1DqhmikA4Z7lRDqvWXsvOt5r
  • anpo38tqdnpuri54p099t7lbrs
  • apple-domain-verification=qmMFao52cmha4kQL
  • docusign=4d6bf6ba-a024-495a-ad68-3fe40709606f
  • google-site-verification=9o6pMEx1QJDa8XfeD4xc87-UYzR7VgZA8zUn2tEc-dQ
  • pwn+6YwGsl7lQ2nfR27lhXGiXTrpo4UtVCvEMhiq/ZVnE2OfIQIbySStlzkX5+d4H7sUtc7wO0a7JErZMpgd9w==
  • SPFv=spf1 include:spf.protection.outlook.com ip4:208.85.54.60 ip4:96.27.136.70 ip4:97.78.108.234 include:spf.digitalinsight.com include:spf.cashedge.com include:spf-mi.doxim.com include:spfref.jackhenry.com a:monitor.ensenta.com include:_external.velera.com -all
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