Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rbccorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 05:14:42 UTC · ↺ Refresh
MX Hostnames
- rbccorp-com.mail.protection.outlook.com
MX Priorities
- rbccorp-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.16.51 (no PTR)
- 172.67.210.28 (no PTR)
- 2606:4700:3032::ac43:d21c
- 2606:4700:3035::6815:1033
Mail Server IPs
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
morgan.ns.cloudflare.com dns.cloudflare.com 2399765165 10000 2400 604800 1800
Primary NS (mname)
morgan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399765165
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
morgan.ns.cloudflare.com
natasha.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:199.119.80.171 mx:rbccorp.com include:spf.mandrillapp.com a:mail.acquiretm.com a:mail.rbccorp.com include:spf.odmad.quest-on-demand.com include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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- atlassian-domain-verification=PNL28a2w9OTnXakenNtoFNPGWaA2g6n1Bf5HANqOWEgar7ScSyYoAQkRUGLcFXXc
- docusign=e4f68e22-277f-4837-9406-eed2cbeee123
- SPFv=spf1 ip4:199.119.80.171 mx:rbccorp.com include:spf.mandrillapp.com a:mail.acquiretm.com a:mail.rbccorp.com include:spf.odmad.quest-on-demand.com include:spf.protection.outlook.com -all
Full email verification for rbccorp.com
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