concurrentny.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
concurrentny.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 21:20:28 UTC · ↺ Refresh

MX Hostnames

  • concurrentny-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 54.85.200.131 ↩ ec2-54-85-200-131.compute-1.amazonaws.com
  • 54.164.9.107 ↩ ec2-54-164-9-107.compute-1.amazonaws.com

Mail Server IPs

  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA pdns07.domaincontrol.com dns.jomax.net 2025090521 28800 7200 604800 600
Primary NS (mname)
pdns07.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025090521
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

pdns08.domaincontrol.com
pdns07.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:18.220.243.51 ip4:50.28.11.62 include:_spf.salesforce.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • box-domain-verification=7930d1e0459487f086cf984574acb2848ba7a6292a4effb31c7f48379355bfb3
  • google-site-verification=uxmDRHMXhd3CoWEG9YB123HG0VeRqT6-APMptDP2O34
  • SPFv=spf1 include:spf.protection.outlook.com ip4:18.220.243.51 ip4:50.28.11.62 include:_spf.salesforce.com ~all
  • MS=ms37647255
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