coresecurity.ie

Valid Email Server
Domain Lookup › coresecurity.ie

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
coresecurity.ie
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 11:52:35 UTC · ↺ Refresh

MX Hostnames

  • aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com

MX Priorities

  • alt1.aspmx.l.google.com: 20
  • alt.aspmx.l.google.com: 20
  • alt3.aspmx.l.google.com: 40
  • alt4.aspmx.l.google.com: 40
  • aspmx.l.google.com: 10

A / AAAA Records

  • 100.24.208.97 ↩ staticip2.multiscreensite.com

Mail Server IPs

  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
  • 142.251.16.27 ↩ bl-in-f27.1e100.net
  • 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net

SOA Record

Raw SOA ns1.blacknight.com hostmaster.blacknight.com 1276040316 14400 7200 2419200 3600
Primary NS (mname)
ns1.blacknight.com
Admin Email (rname)
hostmaster@blacknight.com
Serial
1276040316
Refresh
14400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns2.blacknight.com
ns1.blacknight.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

3 records
  • google-gws-recovery-domain-verification=41080487
  • google-site-verification=wq6K6AfQCj0QnBvaHzf8F1EWzQyNIdRftRH2IWKJiSs
  • google-site-verification=gTDBzpiA2eztDW7qUbiHsHAcDeUhLwrSm77Nufpczmc
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