rg-group.com

Valid Email Server
Domain Lookup › rg-group.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
rg-group.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 02:57:41 UTC · ↺ Refresh

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MX Hostnames

  • d203749b.ess.barracudanetworks.com
  • d203749a.ess.barracudanetworks.com

MX Priorities

  • d203749b.ess.barracudanetworks.com: 20
  • d203749a.ess.barracudanetworks.com: 10

A / AAAA Records

  • 146.20.204.15 (no PTR)

Mail Server IPs

  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA ns-1960.awsdns-53.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1960.awsdns-53.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-151.awsdns-18.com
ns-1960.awsdns-53.co.uk
ns-568.awsdns-07.net
ns-1286.awsdns-32.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.psm.knowbe4.com include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:46883483.spf05.hubspotemail.net ip4:146.20.204.15 ip4:50.200.30.72 ip4:50.200.30.75 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; ri=86400; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

9 records
  • 2rg2ee3knv81bdd1a92kk241rk
  • MS=ms92070866
  • apple-domain-verification=1OQOiVLXY6FFT3ep
  • bw=FTCMe6Olamdio2FT8nA5gAdbC2CMTXQNs/UC9usUeL4q
  • duo_sso_verification=L8XFhI6RfbtwPXbYWannnNGATtFNLBXkUgU7AeLOCR586Vhd5xWyJlsmxUQrQOO0
  • google-site-verification=3Hs9PQof3gPV6i9RrTMEv4N0Xzc5_y0CDW8l4YloIk8
  • smartsheet-site-validation=etyquiFce1Ku4fgdSpf5T4a1q64pHATS
  • SPFv=spf1 include:_spf.psm.knowbe4.com include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:46883483.spf05.hubspotemail.net ip4:146.20.204.15 ip4:50.200.30.72 ip4:50.200.30.75 ~all
  • 2h4k7ojtf3fb4ft8kmrs8p6v96
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