Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rbgcc.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 01:31:35 UTC · ↺ Refresh
MX Hostnames
- rbgcc-org.mail.protection.outlook.com
MX Priorities
- rbgcc-org.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.130.113 (no PTR)
- 104.18.129.113 (no PTR)
Mail Server IPs
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns59.worldnic.com namehost.worldnic.com 125063021 10800 3600 604800 3600
Primary NS (mname)
ns59.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125063021
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns60.worldnic.com
ns59.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:184.185.72.122 ip4:168.245.14.77 ip4:168.245.126.209 ip4:168.245.121.127 ip4:50.31.61.116 include:sendgrid.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
6 records- MS=ms79848853
- apple-domain-verification=crVgR54as4Zrgxzk
- qms0gjuumk6r5evpt90qsmekhi
- SPFv=spf1 ip4:184.185.72.122 ip4:168.245.14.77 ip4:168.245.126.209 ip4:168.245.121.127 ip4:50.31.61.116 include:sendgrid.net include:spf.protection.outlook.com -all
- pe03p99c3ofu0v2o25t04gnjvo
- dfksojeu8dhvvos9non3s2ehrm
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