Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gcbinvestimentos.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 00:52:34 UTC · ↺ Refresh
MX Hostnames
- gcbinvestimentos-com.mail.protection.outlook.com
MX Priorities
- gcbinvestimentos-com.mail.protection.outlook.com: 0
A / AAAA Records
- 99.84.234.97 ↩ server-99-84-234-97.jfk50.r.cloudfront.net
- 99.84.234.58 ↩ server-99-84-234-58.jfk50.r.cloudfront.net
- 99.84.234.9
- 99.84.234.85
Mail Server IPs
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1170.awsdns-18.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1170.awsdns-18.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1170.awsdns-18.org
ns-1691.awsdns-19.co.uk
ns-430.awsdns-53.com
ns-646.awsdns-16.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:46927680.spf02.hubspotemail.net include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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- mongodb-site-verification=veoFfxinGwfXHls7dsrFEcn4bTFhAX43
- notion-domain-verification=a1fwoVyplgdKU1jxSb5ZBZAGTmCdaLHrGvdw9eZr28Q
- segment-site-verification=B3Z189ABBERm61r02dYKJOyIqRhikQ2o
- SPFv=spf1 include:spf.protection.outlook.com include:46927680.spf02.hubspotemail.net include:sendgrid.net -all
- MS=C252C418947AFBBF0022EE17D96DB33975B2B4CF
- MS=ms86024738
Full email verification for gcbinvestimentos.com
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