comsec.ie

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
comsec.ie
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 10:47:29 UTC · ↺ Refresh

MX Hostnames

  • comsec-ie.mail.protection.outlook.com
  • cluster5.eu.messagelabs.com
  • cluster5a.eu.messagelabs.com

MX Priorities

  • comsec-ie.mail.protection.outlook.com: 0
  • cluster5a.eu.messagelabs.com: 20
  • cluster5.eu.messagelabs.com: 10

A / AAAA Records

  • 65.21.184.101

Mail Server IPs

  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 34.91.159.228 ↩ 228.159.91.34.bc.googleusercontent.com
  • 195.245.230.200 ↩ mail858.messagelabs.com
  • 195.245.230.202
  • 85.158.142.210
  • 85.158.142.214
  • 195.245.230.201
  • 85.158.142.215
  • 195.245.231.75
  • 195.245.231.72

SOA Record

Raw SOA ns1.blacknightdns.com hostmaster.comsec.ie 2025081902 900 900 604800 60
Primary NS (mname)
ns1.blacknightdns.com
Admin Email (rname)
hostmaster@comsec.ie
Serial
2025081902
Refresh
900s
Retry
900s
Expire
604800s
Minimum TTL
60s

Nameservers (NS)

ns3.blacknightdns.com
ns2.blacknightdns.com
ns1.blacknightdns.com
ns4.blacknightdns.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 391 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
  • google-site-verification=zMOEpoJcD4yp5jeF5dZlJ_vV2v2gIPb2J- xh_1ke5Ps
  • SPFv=spf1 include:spf.protection.outlook.com -all
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