Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cogna.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 13:51:31 UTC · ↺ Refresh
MX Hostnames
- alt3.us.email.fireeyecloud.com
- alt2.us.email.fireeyecloud.com
- alt1.us.email.fireeyecloud.com
- primary.us.email.fireeyecloud.com
MX Priorities
- primary.us.email.fireeyecloud.com: 10
- alt1.us.email.fireeyecloud.com: 20
- alt2.us.email.fireeyecloud.com: 30
- alt3.us.email.fireeyecloud.com: 40
A / AAAA Records
- 54.157.140.99 ↩ ec2-54-157-140-99.compute-1.amazonaws.com
- 3.221.88.33 ↩ ec2-3-221-88-33.compute-1.amazonaws.com
Mail Server IPs
- 3.93.93.52 ↩ mx.us.email.fireeyecloud.com
- 34.223.36.122 ↩ mx.us.email.fireeyecloud.com
- 3.93.93.53 ↩ mx.us.email.fireeyecloud.com
- 3.93.93.51 ↩ mx.us.email.fireeyecloud.com
- 34.223.36.123 ↩ mx.us.email.fireeyecloud.com
- 34.223.36.121 ↩ mx.us.email.fireeyecloud.com
SOA Record
Raw SOA
ns-183.awsdns-22.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-183.awsdns-22.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1597.awsdns-07.co.uk
ns-183.awsdns-22.com
ns-581.awsdns-08.net
ns-1388.awsdns-45.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:1144094171.agenciapr.net include:amazonses.com include:_spf.myshn.net include:8726768.spf07.hubspotemail.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=10; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
11 records- miro-verification=d6f16a502feaacc221798d47f8ccac0672da7bc0
- mongodb-site-verification=DviaNqotfzXc2veRF0iSyuWzvvnXblFw
- onetrust-domain-verification=2bf58014d0c7460dab4d809b3b2f4274
- SPFv=spf1 include:spf.protection.outlook.com include:1144094171.agenciapr.net include:amazonses.com include:_spf.myshn.net include:8726768.spf07.hubspotemail.net ~all
- zoho-verification=zb23078670.zmverify.zoho.com
- MS=ms20224144
- MS=ms92350405
- _vtc0tsbj29ytrohmazk1jio1t0nw7d5
- atlassian-domain-verification=4mlsoPWj7jDCnchPRT/UBaObhXgmILz96Hemkpts1/5DLx8l70oJoGJRTPCnW5Vm
- brevo-code:dcc292e61b27745fa416245fc4a0a416
- google-site-verification=eaTqApBBVveqciZYjIqDtgMJHJz6FyeFPsmhpfQHr_g
Full email verification for cogna.com.br
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