har-research.com

Valid Email Server
Domain Lookup › har-research.com

Domain Overview

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

Checked via [email protected] · 2026-03-28 14:09:41 UTC · ↺ Refresh

MX Hostnames

  • harresearch-com0i.mail.protection.outlook.com

MX Priorities

  • harresearch-com0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 51.79.33.181 ↩ ip181.ip-51-79-33.net

Mail Server IPs

  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA javier.ns.cloudflare.com dns.cloudflare.com 2399040575 10000 2400 604800 1800
Primary NS (mname)
javier.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399040575
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

javier.ns.cloudflare.com
melissa.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 +a +mx +ip4:147.135.5.203 +ip4:147.135.71.2 +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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: 392 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

3 records
  • SPFv=spf1 +a +mx +ip4:147.135.5.203 +ip4:147.135.71.2 +include:spf.protection.outlook.com -all
  • MS=ms92042979
  • google-site-verification=zav9bV1pDwR5DtbC7feYNuehZ9G_Ne1KUQLM3F8dCSI
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