qostecnologia.com.br

Valid Email Server
Domain Lookup › qostecnologia.com.br

Domain Overview

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

Checked via [email protected] · 2026-03-31 05:49:41 UTC · ↺ Refresh

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MX Hostnames

  • qostecnologia.in.tmes.trendmicro.com
  • qostecnologia-com-br.mail.protection.outlook.com

MX Priorities

  • qostecnologia-com-br.mail.protection.outlook.com: 10
  • qostecnologia.in.tmes.trendmicro.com: 0

A / AAAA Records

  • 2600:9000:2032:ae00:11:8055:efc0:93a1
  • 2600:9000:2032:9400:11:8055:efc0:93a1
  • 2600:9000:2032:f000:11:8055:efc0:93a1
  • 2600:9000:2032:a800:11:8055:efc0:93a1
  • 2600:9000:2032:5200:11:8055:efc0:93a1
  • 2600:9000:2032:bc00:11:8055:efc0:93a1
  • 2600:9000:2032:5600:11:8055:efc0:93a1
  • 2600:9000:2032:a400:11:8055:efc0:93a1

Mail Server IPs

  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 18.208.22.79 ↩ in.tmes.trendmicro.com
  • 18.208.22.80 ↩ in.tmes.trendmicro.com
  • 18.208.22.78
  • 18.208.22.77

SOA Record

Raw SOA ns-375.awsdns-46.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-375.awsdns-46.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1061.awsdns-04.org
ns-1977.awsdns-55.co.uk
ns-375.awsdns-46.com
ns-734.awsdns-27.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:spf-us.tmes.trendmicro.com ip4:189.39.116.136/29 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 -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

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:spf-us.tmes.trendmicro.com ip4:189.39.116.136/29 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 -all
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