Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
kurier.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 13:01:59 UTC · ↺ Refresh
MX Hostnames
- mail.kurier.com.br
- kurier-com-br.mail.protection.outlook.com
- mx.sendgrid.net
- mail2.kurier.com.br
MX Priorities
- kurier-com-br.mail.protection.outlook.com: 0
- mx.sendgrid.net: 40
- mail.kurier.com.br: 10
- mail2.kurier.com.br: 50
A / AAAA Records
- 187.87.139.34
Mail Server IPs
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 16.52.61.209 ↩ ec2-16-52-61-209.ca-central-1.compute.amazonaws.com
- 15.222.160.229 ↩ ec2-15-222-160-229.ca-central-1.compute.amazonaws.com
- 3.17.120.38
- 44.216.124.122
- 3.136.245.72
- 18.224.101.244
- 52.37.49.26
- 52.25.213.239
- 44.245.249.202
- 34.198.67.24
- 16.52.110.174
- 13.216.54.185
- 189.42.254.18
- 187.87.139.35
SOA Record
Raw SOA
ns1-09.azure-dns.com admredes.kurier.com.br 1 3600 300 3600 300
Primary NS (mname)
ns1-09.azure-dns.com
Admin Email (rname)
admredes@kurier.com.br
Serial
1
Refresh
3600s
Retry
300s
Expire
3600s
Minimum TTL
300s
Nameservers (NS)
ns2-09.azure-dns.net
ns3-09.azure-dns.org
ns4-09.azure-dns.info
ns1-09.azure-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.protection.outlook.com ip4:189.42.254.18 ip4:187.87.139.35 ip4:200.141.130.91 ip4:149.72.249.125 ip4:168.245.70.40 mx:mail.kurier.com.br mx:mail2.kurier.com.br include:sendgrid.net include:em6363.kurier.com.br ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;fo=1;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- SPFv=spf1 a mx include:spf.protection.outlook.com ip4:189.42.254.18 ip4:187.87.139.35 ip4:200.141.130.91 ip4:149.72.249.125 ip4:168.245.70.40 mx:mail.kurier.com.br mx:mail2.kurier.com.br include:sendgrid.net include:em6363.kurier.com.br ~all
- r1AvVo/rMhogS59GVEplB/vXjU7U1o6pDGgaWB7u/a1QPNmdfxp6E617gvagSHbN8UQpzVa6kYXYeC8JTzZkpA==
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