Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
redboxplus.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 10:28:57 UTC · ↺ Refresh
MX Hostnames
- redboxplus-com.mail.protection.outlook.com
MX Priorities
- redboxplus-com.mail.protection.outlook.com: 3600
A / AAAA Records
- 172.66.43.199 (no PTR)
- 172.66.40.57 (no PTR)
- 2606:4700:3108::ac42:2bc7
- 2606:4700:3108::ac42:2839
Mail Server IPs
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
finley.ns.cloudflare.com dns.cloudflare.com 2399640431 10000 2400 604800 1800
Primary NS (mname)
finley.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399640431
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
finley.ns.cloudflare.com
june.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:216.243.144.118 ip4:216.243.158.100 include:spf.protection.outlook.com include:sendgrid.net -all
📊 DNS lookups: 2/10
✓ 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
5 records- google-site-verification=YwSfJAtu1KhxRwwgG4Al23oIzpQ4pHf37j7o1S_c-RA
- knowbe4-site-verification=fa156fdaae18d46f61d7d2ce1d9e8f5e
- SPFv=spf1 ip4:216.243.144.118 ip4:216.243.158.100 include:spf.protection.outlook.com include:sendgrid.net -all
- facebook-domain-verification=4x2qxugw2hshz586so87fk0herd21b
- google-site-verification=Otu9BAQv43yF49wEPRQuoegruqLL5Ffydd1_qJGh7ZM
Full email verification for redboxplus.com
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