rdpassociates.co.uk

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rdpassociates.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 11:34:28 UTC · ↺ Refresh

MX Hostnames

  • rdpassociates-co-uk.mail.protection.outlook.com

MX Priorities

  • rdpassociates-co-uk.mail.protection.outlook.com: 10

A / AAAA Records

  • 172.67.68.160 (no PTR)
  • 104.26.6.28 (no PTR)
  • 104.26.7.28
  • 2606:4700:20::ac43:44a0
  • 2606:4700:20::681a:61c
  • 2606:4700:20::681a:71c

Mail Server IPs

  • 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com

SOA Record

Raw SOA dale.ns.cloudflare.com dns.cloudflare.com 2396985792 10000 2400 604800 1800
Primary NS (mname)
dale.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396985792
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

eva.ns.cloudflare.com
dale.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

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • NQUWWPM2SAFZCF24RUG0WTCB4JDMURX4PFHPYUUU
  • ms=ms43202918
  • SPFv=spf1 include:spf.protection.outlook.com -all
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