Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
docol.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 02:22:03 UTC · ↺ Refresh
MX Hostnames
- docol-com-br.mail.protection.outlook.com
MX Priorities
- docol-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 52.8.174.221 ↩ ec2-52-8-174-221.us-west-1.compute.amazonaws.com
- 2804:214:85ea:e663:a082:9a37:704f:f0f9 (no PTR)
- 2804:14c:f282:973d::1004
- 2804:14c:f282:973d:d94c:e5f9:3d9e:d130
- 2804:214:85e8:7489:9b6c:a78e:3c8f:2ec8
- 2804:14c:f282:8f5e::1002
- 2804:14c:f282:8f5e:9dcc:d987:bca9:ce9a
- 2804:14c:f282:93e4::1003
- 2804:14c:f282:93e4:c956:49d3:e644:1c2f
- 2804:214:8633:cbad:68c:f32:6d78:608e
- 2804:214:85e3:3c0e:d78c:a43c:c0bc:f125
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-02.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-02.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-02.azure-dns.info
ns1-02.azure-dns.com
ns2-02.azure-dns.net
ns3-02.azure-dns.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:177.69.28.50 ip4:177.67.88.164 ip4:177.153.6.191 ip4:20.96.184.146 ip4:20.96.200.191 include:_spf.rdstation.com.br include:mail.zendesk.com include:sendgrid.net include:spf.protection.outlook.com include:mktomail.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];rua=mailto:[email protected];ruf=mailto:[email protected]; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- hcch63zlhxyl24h7mcc6qtpzw24mwm5f
- 551w9brrymz57vm8wk0y67h6fnbzvg5q
- k0FeXd4jDhjj8rYbp60VrSGNRS70gO6tUnswcckAEn5KHswpgUgZkc6pIufL2zK1Lx6uqHTiU84i4oLJAemsuQ==
- SPFv=spf1 ip4:177.69.28.50 ip4:177.67.88.164 ip4:177.153.6.191 ip4:20.96.184.146 ip4:20.96.200.191 include:_spf.rdstation.com.br include:mail.zendesk.com include:sendgrid.net include:spf.protection.outlook.com include:mktomail.com -all
- globalsign-domain-verification=pbMLnJeUqUenO_0kb-oIOApJa7Ad_qUj_c2ohWtWSM
- gspvztbvzpm51hq2fdvhc6t7ndgt9qt8
Full email verification for docol.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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