adaptltda.com.br

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-26 21:46:19 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 172.67.146.135 (no PTR)
  • 104.21.33.151 (no PTR)
  • 2606:4700:3032::6815:2197
  • 2606:4700:3034::ac43:9287

Mail Server IPs

  • 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA cecelia.ns.cloudflare.com dns.cloudflare.com 2400033212 10000 2400 604800 1800
Primary NS (mname)
cecelia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400033212
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ignacio.ns.cloudflare.com
cecelia.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 +a +mx +ip4:23.111.160.58 +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 237 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

1 record
  • SPFv=spf1 +a +mx +ip4:23.111.160.58 +include:spf.protection.outlook.com -all
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