dualgroup.com

Valid Email Server

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
dualgroup.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 03:41:07 UTC · ↺ Refresh

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MX Hostnames

  • eu-smtp-inbound-1.mimecast.com
  • eu-smtp-inbound-2.mimecast.com

MX Priorities

  • eu-smtp-inbound-1.mimecast.com: 10
  • eu-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 104.18.4.205 (no PTR)
  • 104.18.5.205 (no PTR)
  • 2606:4700::6812:4cd (no PTR)
  • 2606:4700::6812:5cd (no PTR)

Mail Server IPs

  • 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
  • 91.220.42.241 ↩ eu-smtp-inbound-1.mimecast.com
  • 91.220.42.201 ↩ eu-smtp-inbound-2.mimecast.com
  • 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
  • 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com
  • 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA lia.ns.cloudflare.com dns.cloudflare.com 2404670735 10000 2400 604800 1800
Primary NS (mname)
lia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404670735
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

lia.ns.cloudflare.com
pablo.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:185.35.248.4 include:eu._netblocks.mimecast.com include:spf-a.dualgroup.com -include:emailcc.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

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

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

All TXT Records

28 records
  • _iie6l9yynantzpowu9u5pb8n4v90ikk
  • workplace-domain-verification=3NHm4rsg6HJht4l9LJEHLlNfyyN0v3
  • cloudhealth=651630ec-f8be-4ddf-b2ec-e69377beaae3
  • zoom_7160415
  • _2n7cau5zzx1m8sf3g8yklvwf7wowlfp
  • wiz-domain-verification=b069e9de176a736ba0966e1a54a9e370b66b9a7da32e27b07d0fcf8016f7b3d1
  • google-site-verification=Yf-NxQ2IaS__Kb9_SW_L8K6bndktmjaPSPu2RU9WKJE
  • atlassian-domain-verification=FxB8SCHGlatvrXIJ3wNb0RVzZYJJtKFXGGvlGochSUzgXgeKzfSfoTncgPHCsL3Y
  • F42ft3MjOeGnWXHYd359pHGgLgejP0Rrbvibw6Tr+FhZ6cvNvyNaKepEeeLVB6cBq+YVooNGH3T9V5ukaGBRfA==
  • openai-domain-verification=dv-SEnoIi15436QKpACn98rl8Ha
  • 50cf64a8307c73e195d4a675eda68247
  • Zoomticket#6524194
  • MS=ms56866843
  • qs7rzrk49hbs08j63wssxknld4ymgcf0
  • SPFv=spf1 ip4:185.35.248.4 include:eu._netblocks.mimecast.com include:spf-a.dualgroup.com -include:emailcc.com -all
  • _6lqc7xq2wxpb1cnbn7cx4csw63ak2yp
  • google-site-verification=opHPxjWH1is84bxn8pv6kR6OtLioK_wcZIl3ewbxUyk
  • anthropic-domain-verification-prnwef=cu2bgF0ydvZxzfdpdiDFtIUg8
  • _jhc1mskg9s5dw0he95n6bg8kqv4oh3c
  • 651630ec-f8be-4ddf-b2ec-e69377beaae3
  • _avcbrm719xuz0tfqa3ki3mzsu67bd3h
  • apple-domain-verification=Qn2LyaSMsvK7n1Mq
  • _0s1py0hpz3citctxsbfxp6tc7wunucj
  • 7z4x254bkq71w8kbz41hbqmcby4mpcd7
  • _d1ccmgda243gmgbtl67uc5wgkac2iz7
  • _uos17kzu2yqz2otl5wr7wjoqz956fli
  • _5kwzszod2boh6oigw89mkwc5islrhy6
  • postman-domain-verification=9ea2a0f79b8f5bdaf1fc12c66a4cd322ff8ffeeb77e348d4b9ba422a99c089097bb3740db271a2152da4e78e8ea4657848abeb40dea1f6f3356fc81c6292ab4b
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