thecheckergroup.com

Valid Email Server
Domain Lookup › thecheckergroup.com

Domain Overview

DNS: ✓ 3mo ago Checker: ✓ 3mo ago
thecheckergroup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-10 02:45:16 UTC · ↺ Refresh

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MX Hostnames

  • thecheckergroup-com.mail.protection.outlook.com

MX Priorities

  • thecheckergroup-com.mail.protection.outlook.com: 1

A / AAAA Records

  • 104.21.83.74 (no PTR)
  • 172.67.217.137 (no PTR)
  • 2606:4700:3036::6815:534a
  • 2606:4700:3035::ac43:d989

Mail Server IPs

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

SOA Record

Raw SOA elma.ns.cloudflare.com dns.cloudflare.com 2405707386 10000 2400 604800 1800
Primary NS (mname)
elma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2405707386
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

elma.ns.cloudflare.com
ram.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:69.46.108.224/28 ip4:69.46.108.184/29 ip4:66.42.76.47/32 ip4:20.168.192.150/32 ip4:3.97.57.4/32 include:spf.protection.outlook.com include:spf.sendinblue.com include:spf.mailjet.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

7 records
  • Sendinblue-code:3a6df61d08589c34af007c1a4eafff8a
  • brevo-code:3a6df61d08589c34af007c1a4eafff8a
  • duo_sso_verification=zYG4Ai551RwHxe3GYSqMypiwNjwnANLO0WjmOeulVi5aW00GQbfQzulxvF5YDbI2
  • google-site-verification=-cvMbmAyz7G8hlqom6woX3tC80kUnMT5PoxdA75lF1g
  • ms-domain-verification=6dffc7cc-5d50-4b5c-a86e-9400b9a1b1c0
  • SPFv=spf1 a mx ip4:69.46.108.224/28 ip4:69.46.108.184/29 ip4:66.42.76.47/32 ip4:20.168.192.150/32 ip4:3.97.57.4/32 include:spf.protection.outlook.com include:spf.sendinblue.com include:spf.mailjet.com -all
  • MS=ms85015556
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