copasa.com.br

Valid Email Server
Domain Lookup › copasa.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
copasa.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-21 05:52:08 UTC · ↺ Refresh

MX Hostnames

  • copasa-com-br.mail.protection.outlook.com

MX Priorities

  • copasa-com-br.mail.protection.outlook.com: 0

A / AAAA Records

  • 186.248.78.36 ↩ BCA078036.airfibertel.com.br

Mail Server IPs

  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com

SOA Record

Raw SOA ns.copasa.com.br root.copasa.com.br 2025120503 1200 120 2419200 3600
Primary NS (mname)
ns.copasa.com.br
Admin Email (rname)
root@copasa.com.br
Serial
2025120503
Refresh
1200s
Retry
120s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns2.copasa.com.br
ns3.copasa.com.br
ns.copasa.com.br

SPF Record

✓ Strict (-all)
v=spf1 ip4:200.216.236.45 ip4:187.1.61.13 ip4:186.248.78.13 include:spf.protection.outlook.com include:spf-171.mailgrid.net.br include:_spf.qp-mail.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected]; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 216 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
  • MS=14F45EE0A13ACE72657A4CAC4F1B315EFBBB377F
  • MS=ms17651054
  • SPFv=spf1 ip4:200.216.236.45 ip4:187.1.61.13 ip4:186.248.78.13 include:spf.protection.outlook.com include:spf-171.mailgrid.net.br include:_spf.qp-mail.com -all
  • facebook-domain-verification=ypkxhgti6ob6hurd1zfmzyodbo7g5w
Full email verification for copasa.com.br

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