infrahex.com

Valid Email Server
Domain Lookup › infrahex.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
infrahex.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 14:50:28 UTC · ↺ Refresh

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MX Hostnames

  • infrahex-com.mail.protection.outlook.com

MX Priorities

  • infrahex-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 37.9.175.212 ↩ ing.r4.websupport.cz
  • 2a00:4b40:aaaa:2011::7 (no PTR)

Mail Server IPs

  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.103.140 ↩ mail-miypr02cu00204.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::a ↩ mail-miypr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::8 ↩ mail-zrxpr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::a ↩ mail-zrxpr07cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.websupport.cz admin.websupport.cz 1788527810 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1788527810
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s

Nameservers (NS)

ns3.websupport.eu
ns1.websupport.cz
ns2.websupport.cz

SPF Record

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

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • MS=ms99697164
  • SPFv=spf1 include:spf.protection.outlook.com -all
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