castlegc.ie

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
castlegc.ie
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 13:19:27 UTC · ↺ Refresh

MX Hostnames

  • castlegc-ie.mail.protection.outlook.com

MX Priorities

  • castlegc-ie.mail.protection.outlook.com: 0

A / AAAA Records

  • 199.34.228.44 ↩ pages-custom-4.weebly.com

Mail Server IPs

  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.blacknight.com hostmaster.blacknight.com 1276014633 14400 7200 2419200 3600
Primary NS (mname)
ns1.blacknight.com
Admin Email (rname)
hostmaster@blacknight.com
Serial
1276014633
Refresh
14400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns4.blacknight.com
ns3.blacknight.com
ns1.blacknight.com
ns2.blacknight.com

SPF Record

✓ Strict (-all)
v=spf1 mx a ip4:216.24.225.126 ip4:198.37.144.175 ip4:216.24.225.10 ip4:209.225.60.150 ip4:86.43.103.138 include:e2ma.net include:smtp1.clubhouseonline-e3.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; fo=1; pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject

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
  • vbbp561bo3kaem6no79auqu599
  • e2ma-verification=scofb
  • SPFv=spf1 mx a ip4:216.24.225.126 ip4:198.37.144.175 ip4:216.24.225.10 ip4:209.225.60.150 ip4:86.43.103.138 include:e2ma.net include:smtp1.clubhouseonline-e3.com include:spf.protection.outlook.com -all
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