jjco.cpa

Valid Email Server
Domain Lookup › jjco.cpa

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
jjco.cpa
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 14:33:39 UTC · ↺ Refresh

MX Hostnames

  • jjco-cpa.mail.protection.outlook.com

MX Priorities

  • jjco-cpa.mail.protection.outlook.com: 0

A / AAAA Records

  • 157.230.85.239 (no PTR)

Mail Server IPs

  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.digitalocean.com hostmaster.jjco.cpa 1657868470 10800 3600 604800 1800
Primary NS (mname)
ns1.digitalocean.com
Admin Email (rname)
hostmaster@jjco.cpa
Serial
1657868470
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns2.digitalocean.com
ns1.digitalocean.com
ns3.digitalocean.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

3 records
  • MS=ms11826642
  • MS=ms38799250
  • SPFv=spf1 include:spf.protection.outlook.com -all
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