authority.biz

Valid Email Server
Domain Lookup › authority.biz

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
authority.biz
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 15:25:41 UTC · ↺ Refresh

MX Hostnames

  • authority-biz.mail.protection.outlook.com

MX Priorities

  • authority-biz.mail.protection.outlook.com: 10

A / AAAA Records

  • 199.60.103.24 (no PTR)
  • 199.60.103.124 (no PTR)

Mail Server IPs

  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA ns3.european-server.com hostmaster.authority.biz 1755004179 10800 3600 604800 40000
Primary NS (mname)
ns3.european-server.com
Admin Email (rname)
hostmaster@authority.biz
Serial
1755004179
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
40000s

Nameservers (NS)

ns3.european-server.com
ns1.european-server.eu
ns4.european-server.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.relay.mailprotect.be include:48774823.spf01.hubspotemail.net include:sendgridmail.teamleader.be ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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

✗ 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=ms77728325
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.relay.mailprotect.be include:48774823.spf01.hubspotemail.net include:sendgridmail.teamleader.be ~all
  • google-site-verification=PPoiz0zPNJ9Hlx2dm9QNMbK5DRs92Aw5QFsX3_qtHiM
  • google-site-verification=nbW-rVOKPIjZzpc0VkjY_3WkC4Lqun6ytojngrr44Kk
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