Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
justcoglobal.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 01:05:33 UTC · ↺ Refresh
MX Hostnames
- justcoglobal-com.mail.protection.outlook.com
MX Priorities
- justcoglobal-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.136.54 (no PTR)
- 162.159.137.54 (no PTR)
- 2606:4700:7::a29f:8936 (no PTR)
- 2606:4700:7::a29f:8836 (no PTR)
Mail Server IPs
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
holly.ns.cloudflare.com dns.cloudflare.com 2399155940 10000 2400 604800 1800
Primary NS (mname)
holly.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399155940
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
holly.ns.cloudflare.com
jermaine.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:amazonses.com include:spf.protection.outlook.com include:servers.mcsv.net include:aspmx.pardot.com include:_spf.elasticemail.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- mandrill_verify.vhYQURdyxJpqKcUXbLPEqA
- msfpkey=4am5di0jfkh0dmn9071hfb0ph
- pardot937133=31ba9a453388e1757f5ae7d77c33a51036238c6d457f22d1fb0d4673f13499c2
- SPFv=spf1 include:amazonses.com include:spf.protection.outlook.com include:servers.mcsv.net include:aspmx.pardot.com include:_spf.elasticemail.com -all
- google-site-verification=Bf2uGZuDBzcAqvVfNT4LnLP9MWEusFI7BKm1hxwnjY8
- google-site-verification=Y5AxQQlxrNCBIfaCmYOPWbBTKeBzIwnPKGlYYL2jdlk
- google-site-verification=_oYzWurNd3fsS1AC-RnfnPPL4JqIQ6HDJobxmQrCC2Y
- google-site-verification=aePeujiNA9OhLUIa1I_dHUiKOTlPmRHUUTUH09jSqUw
- google-site-verification=dFiotbmrYKuHJCCoRWa3qBeqJjKmqSz1QdCRxmXSkdA
- google-site-verification=feY0-eJEWM31xYgL4dh0zt5BEt3vvpZzMj0AKQtN3JE
- google-site-verification=ogCM-fF3DG81nCSUZlfVlt5xCo-XGBfLKtp-1WxQDd0
- google-site-verification=vzh-uEpaiRTFfDFq5iNwxiQJXmOoSf72sutfvtLqkKw
Full email verification for justcoglobal.com
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