Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rcofpr.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 14:53:53 UTC · ↺ Refresh
MX Hostnames
- rcofpr-com.mail.protection.outlook.com
MX Priorities
- rcofpr-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.176.86 (no PTR)
- 104.21.80.83 (no PTR)
- 2606:4700:3034::ac43:b056
- 2606:4700:3037::6815:5053
Mail Server IPs
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
georgia.ns.cloudflare.com dns.cloudflare.com 2399276040 10000 2400 604800 1800
Primary NS (mname)
georgia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399276040
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sterling.ns.cloudflare.com
georgia.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms66257476
- sophos-domain-verification=02a037b535bae03df632f5d5472a721347a27fc7814aefd002d667fabfb698e7
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