ja-a.co

Valid Email Server
Domain Lookup › ja-a.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ja-a.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-02 01:07:42 UTC · ↺ Refresh

MX Hostnames

  • jaa-co0e.mail.protection.outlook.com

MX Priorities

  • jaa-co0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.81.192 (no PTR)
  • 172.67.190.149 (no PTR)
  • 2606:4700:3033::ac43:be95
  • 2606:4700:3030::6815:51c0

Mail Server IPs

  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA arvind.ns.cloudflare.com dns.cloudflare.com 2399560352 10000 2400 604800 1800
Primary NS (mname)
arvind.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399560352
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

arvind.ns.cloudflare.com
asa.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

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

5 records
  • globalsign-domain-verification=d1b81f361e8b0ce1500afbe4f782e93f
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms20546000
  • _globalsign-domain-verification=l8OcoS7iH1CaLxfea3rttj8nyl8ACa-FJu60Cw67Gz
  • globalsign-domain-verification=D8330513D249C06C52BEE1F3EB379D59
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