Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
riverhillscc.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 00:13:40 UTC · ↺ Refresh
MX Hostnames
- riverhillscc-org.mail.protection.outlook.com
MX Priorities
- riverhillscc-org.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.130.113 (no PTR)
- 104.18.129.113 (no PTR)
Mail Server IPs
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns93.worldnic.com namehost.worldnic.com 125102415 10800 3600 604800 3600
Primary NS (mname)
ns93.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125102415
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns93.worldnic.com
ns94.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:168.245.14.77/32 ip4:168.245.126.209/32 ip4:168.245.121.127/32 ip4:50.31.61.116/32 include:sendgrid.net include:spf.protection.outlook.com -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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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- ca3-7a05506ee3064752ba98d283cfdeea52
- MS=ms94198719
- SPFv=spf1 ip4:168.245.14.77/32 ip4:168.245.126.209/32 ip4:168.245.121.127/32 ip4:50.31.61.116/32 include:sendgrid.net include:spf.protection.outlook.com -all
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