har-con.com

Valid Email Server
Domain Lookup › har-con.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
har-con.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 03:42:16 UTC · ↺ Refresh

MX Hostnames

  • mx-cluster-usa04.hornetsecurity.com
  • harcon-com0i.mail.protection.outlook.com
  • mx-cluster-usa01.hornetsecurity.com
  • mx-cluster-usa02.hornetsecurity.com
  • mx-cluster-usa03.hornetsecurity.com

MX Priorities

  • mx-cluster-usa01.hornetsecurity.com: 10
  • mx-cluster-usa02.hornetsecurity.com: 20
  • mx-cluster-usa03.hornetsecurity.com: 30
  • mx-cluster-usa04.hornetsecurity.com: 40
  • harcon-com0i.mail.protection.outlook.com: 50

A / AAAA Records

  • 151.101.66.159 (no PTR)

Mail Server IPs

  • 173.45.18.100 ↩ hsmx01-hz5.hornetsecurity.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.dnsbycomodo.net admin.dns.com 2026032701 10800 864000 7200 7200
Primary NS (mname)
ns1.dnsbycomodo.net
Admin Email (rname)
admin@dns.com
Serial
2026032701
Refresh
10800s
Retry
864000s
Expire
7200s
Minimum TTL
7200s

Nameservers (NS)

ns2.dnsbycomodo.net
ns1.dnsbycomodo.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf-us.ppe-hosted.com include:spf.protection.outlook.com include:spf.hornetsecurity.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

4 records
  • MS=ms66786031
  • ppe-73156ac86a5f82b8579dda39d1ccfe4035800cd2
  • SPFv=spf1 include:_spf-us.ppe-hosted.com include:spf.protection.outlook.com include:spf.hornetsecurity.com ~all
  • 80F23RXVSCSXD1TZ2QXUUC0O7B0N5L0DLQ56WV1B
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