horizongroup.com.au

Valid Email Server
Domain Lookup › horizongroup.com.au

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
horizongroup.com.au
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 18:25:07 UTC · ↺ Refresh

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MX Hostnames

  • horizongroup-com-au.mail.protection.outlook.com

MX Priorities

  • horizongroup-com-au.mail.protection.outlook.com: 0

A / AAAA Records

  • 141.193.213.10 (no PTR)
  • 141.193.213.11 (no PTR)

Mail Server IPs

  • 52.101.149.2 ↩ mail-sy5pr01cu00902.inbound.protection.outlook.com
  • 52.101.151.5 ↩ mail-meupr01cu00305.inbound.protection.outlook.com
  • 52.101.151.0 ↩ mail-meupr01cu00200.inbound.protection.outlook.com
  • 52.101.149.1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:cc31::1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:cc31:: ↩ mail-sy2pr01cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:cc33:: ↩ mail-meupr01cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:cc33::1 ↩ mail-meupr01cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1994.awsdns-57.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1994.awsdns-57.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-701.awsdns-23.net
ns-1278.awsdns-31.org
ns-1994.awsdns-57.co.uk
ns-60.awsdns-07.com

SPF Record

✓ Strict (-all)
v=spf1 mx ptr a include:spf-au.emailsignatures365.com include:spf.protection.outlook.com include:relay.mailchannels.net ip4:103.18.52.0/23 ip4:61.69.108.202/32 ip4:52.63.226.239/32 ip4:52.62.155.0/32 -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • mandrill_verify.EtbMSwl_1Mw7sAKlwRZ-hg
  • SPFv=spf1 mx ptr a include:spf-au.emailsignatures365.com include:spf.protection.outlook.com include:relay.mailchannels.net ip4:103.18.52.0/23 ip4:61.69.108.202/32 ip4:52.63.226.239/32 ip4:52.62.155.0/32 -all
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