rrgroup.co.uk

Valid Email Server
Domain Lookup › rrgroup.co.uk

Domain Overview

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

Checked via [email protected] · 2026-04-04 11:02:44 UTC · ↺ Refresh

MX Hostnames

  • mx1-eu.emailsecurity.app
  • mx2-eu.emailsecurity.app

MX Priorities

  • mx1-eu.emailsecurity.app: 10
  • mx2-eu.emailsecurity.app: 20

A / AAAA Records

  • 162.159.134.42 (no PTR)

Mail Server IPs

  • 132.164.188.153 ↩ mx2-eu.emailsecurity.app
  • 4.245.183.72 ↩ mx1-eu.emailsecurity.app

SOA Record

Raw SOA dns1.puzzletech.network support.cloudns.net 2025121937 7200 1800 1209600 3600
Primary NS (mname)
dns1.puzzletech.network
Admin Email (rname)
support@cloudns.net
Serial
2025121937
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns2.puzzletech.network
dns4.puzzletech.network
dns1.puzzletech.network
dns3.puzzletech.network

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=0:1:d:s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 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

1 record
  • TG=9bwuj7
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