jbarnes.com

Valid Email Server
Domain Lookup › jbarnes.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 04:36:11 UTC · ↺ Refresh

MX Hostnames

  • jbarnes-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 172.67.202.181 (no PTR)
  • 104.21.93.18 (no PTR)
  • 2606:4700:3032::ac43:cab5
  • 2606:4700:3037::6815:5d12

Mail Server IPs

  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ainsley.ns.cloudflare.com dns.cloudflare.com 2398766176 10000 2400 604800 1800
Primary NS (mname)
ainsley.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398766176
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

alaric.ns.cloudflare.com
ainsley.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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 include:spf.protection.outlook.com -all
  • MS=ms29844486
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