Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
k3investimentos.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 23:17:41 UTC · ↺ Refresh
MX Hostnames
- k3investimentos-com-br.mail.protection.outlook.com
MX Priorities
- k3investimentos-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 85.155.127.5 ↩ scbr2.host.srv.br
Mail Server IPs
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3310.icloudzinc.com alertas.servcloud.com.br 2026021000 3600 1800 1209600 86400
Primary NS (mname)
ns3310.icloudzinc.com
Admin Email (rname)
alertas@servcloud.com.br
Serial
2026021000
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3313.icloudzinc.com
ns3312.icloudzinc.com
ns3311.icloudzinc.com
ns3310.icloudzinc.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:85.155.127.5 ip4:177.234.152.114 include:relay.mailchannels.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; sp=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
3 records- SPFv=spf1 ip4:85.155.127.5 ip4:177.234.152.114 include:relay.mailchannels.net include:spf.protection.outlook.com -all
- facebook-domain-verification=rly7i209o477c0ykxp6uqy28ka25e3
- MS=ms51650758
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