rdcpa.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rdcpa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 03:30:23 UTC · ↺ Refresh

MX Hostnames

  • rdcpa-com.mail.protection.outlook.com

MX Priorities

  • rdcpa-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 162.159.134.42 (no PTR)

Mail Server IPs

  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns21.worldnic.com namehost\@worldnic.com 124120512 10800 3600 604800 3600
Primary NS (mname)
ns21.worldnic.com
Admin Email (rname)
namehost\@worldnic@com
Serial
124120512
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns22.worldnic.com
ns21.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:67.61.206.216 ip4:65.132.75.26 ip4:65.132.75.138 ip4:71.216.56.179 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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
selector1._domainkey
selector2._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

5 records
  • 2b97fu3du25765mkpkrmenk79f
  • SPFv=spf1 ip4:67.61.206.216 ip4:65.132.75.26 ip4:65.132.75.138 ip4:71.216.56.179 include:spf.protection.outlook.com ~all
  • MS=ms98560963
  • a6lmuq7csv235otjeqia2gfuom
  • pax8validate
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