jccbr.com

Valid Email Server
Domain Lookup › jccbr.com

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
jccbr.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 05:57:36 UTC · ↺ Refresh

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MX Hostnames

  • jccbr-com.mail.protection.outlook.com

MX Priorities

  • jccbr-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 216.24.57.1 (no PTR)

Mail Server IPs

  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns.caisnetwork.com.br root.caisnetwork.com.br 2026051801 3600 900 604800 86400
Primary NS (mname)
ns.caisnetwork.com.br
Admin Email (rname)
root@caisnetwork.com.br
Serial
2026051801
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.caisnetwork.com.br
ns.caisnetwork.com.br

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.locaweb.com.br -all
📊 DNS lookups: 2/10
✓ 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

8 records
  • cnkxnjqxtc1zvrqqgqkd7qtvmmx6df1z
  • yv0x7t1zsm89gtmwfdflmjy54nd7k5tq
  • mumjj5msddrn04gkv4jrf8j9rj
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.locaweb.com.br -all
  • apple-domain-verification=Oe9SmqF0BfD0aVt0
  • psv9abo64jp57eskck87kpj432
  • idblp8v13vnnelh163s7ao87ks
  • vsyl1w82v97lvjcvb7pblrzg5q5vynsk
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