mariner-usa.com

Valid Email Server
Domain Lookup › mariner-usa.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mariner-usa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 06:57:44 UTC · ↺ Refresh

MX Hostnames

  • marinerusa-com01i.mail.protection.outlook.com

MX Priorities

  • marinerusa-com01i.mail.protection.outlook.com: 0

A / AAAA Records

  • 199.60.103.58 (no PTR)
  • 199.60.103.158 (no PTR)

Mail Server IPs

  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns65.worldnic.com namehost.worldnic.com 122032610 10800 3600 604800 3600
Primary NS (mname)
ns65.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
122032610
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns66.worldnic.com
ns65.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:198.23.62.91 include:mailgun.org include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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
  • SPFv=spf1 mx a ip4:198.23.62.91 include:mailgun.org include:spf.protection.outlook.com ~all
  • google-site-verification=Ok-3EsNtYDceriUwjlfPMiZMSq41UAomowoxVL2-rfg
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