cardosystems.com

Valid Email Server

Domain Overview

DNS: ✓ 17h ago Checker: ✓ 17h ago
cardosystems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-11-10 20:36:12 UTC · ↺ Refresh

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MX Hostnames

  • cardosystems-com.mail.protection.outlook.com

MX Priorities

  • cardosystems-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.26.6.170 (no PTR)
  • 104.26.7.170 (no PTR)
  • 172.67.74.212
  • 2606:4700:20::681a:7aa
  • 2606:4700:20::681a:6aa
  • 2606:4700:20::ac43:4ad4

Mail Server IPs

  • 52.101.103.140 ↩ mail-miypr02cu00204.inbound.protection.outlook.com
  • 52.101.185.24 ↩ mail-zrxpr07cu00100.inbound.protection.outlook.com
  • 52.101.181.156 ↩ mail-wa4pr05cu00104.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca38::a ↩ mail-wa4pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::a ↩ mail-maspr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::a ↩ mail-zrxpr07cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c967::a ↩ mail-cpjpr05cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA alberto.ns.cloudflare.com dns.cloudflare.com 2417616746 10000 2400 604800 1800
Primary NS (mname)
alberto.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2417616746
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

tia.ns.cloudflare.com
alberto.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:52.20.158.129 ip4:54.234.118.169 ip4:52.70.242.65 ip4:216.40.44.0/24 ip4:216.40.42.17 ip4:216.40.42.19 ip4:216.40.42.27 ip4:216.40.42.28/31 ip4:64.98.42.0/24 ip4:64.98.36.17 ip4:64.98.36.19 ip4:64.98.36.27 ip4:64.98.36.28/31 ip4:64.98.47.0/24 ip4:64.98.36.30 ip4:216.40.34.9 include:spf.zoho.com include:transmail.net include:spf.zohomail360.com include:servers.mcsv.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:amazonses.com include:spf.eu.exclaimer.net -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

27 records
  • google-site-verification=Tuxw62bbf0K6TGteWjFW1aAgWAASaTI4f8FhDC_k4us
  • reftab-domain-verification=bd20428d0fcabcd794a90392ad523296
  • cursor-domain-verification-1cbhpp=tZAYCywn0Ze7Zb0guJHDYz3Y3
  • anthropic-domain-verification-78h433=e38AfQCCXJMczosonlpNBCCy3
  • 1password-site-verification=UAWF752SAVH7FE6M3W7ZYULEQE
  • apple-domain-verification=PfGmwXDcemu2SwCI
  • klaviyo-site-verification=Vpgrm3
  • v=verifydomain MS=3020646
  • google-site-verification=1aHwIOJntspMziOvaMshoEfqjuiIsF-8VHqEBtgaqtM
  • google-site-verification=t4dADFCzOPL63ZKzVJF4H_1DeYvVBEba6K-kbZFaq_k
  • google-site-verification=o4K0BBuQNFGLtMB9AzNbvtQwBCpnMucOpiADY1KT4W0
  • Foxit-domain-verification=1ed720957293dbc3b43c55b616ad215d
  • adobe-idp-site-verification=89b2d437d1a904a03eeb53cf0bd87a6a1b093b017b616c9b82ae2e5598bae3bf
  • WN3HIQE0pXxJxQwsGqYYtsWJBLJ0n7yizUrK0IP12/353OY9+84qxrLAB+KSuDbJEHjtnKBu13dRp6wfvG1bnw==
  • v=verifydomain MS=8587829
  • v=verifydomain MS=3615256
  • SPFv=spf1 ip4:52.20.158.129 ip4:54.234.118.169 ip4:52.70.242.65 ip4:216.40.44.0/24 ip4:216.40.42.17 ip4:216.40.42.19 ip4:216.40.42.27 ip4:216.40.42.28/31 ip4:64.98.42.0/24 ip4:64.98.36.17 ip4:64.98.36.19 ip4:64.98.36.27 ip4:64.98.36.28/31 ip4:64.98.47.0/24 ip4:64.98.36.30 ip4:216.40.34.9 include:spf.zoho.com include:transmail.net include:spf.zohomail360.com include:servers.mcsv.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:amazonses.com include:spf.eu.exclaimer.net -all
  • MS=ms26102310
  • dropbox-domain-verification=uot1v4zqj3ea
  • google-gws-recovery-domain-verification=59039615
  • b698010c7bb2362c823741d599922b56c54439f147d3486049
  • google-gws-recovery-domain-verification=59043122
  • openai-domain-verification=dv-uaYAawQYCKpT5Pm9WJJ4iVJE
  • shopify-verification-code=AhV5eVJ9JKMWCBIt7gazUTv30qSOjk
  • google-site-verification=dc2vpAh5M8-fuBsa1NbftFE4SxOBUNchBdm6uOs_fYU
  • google-site-verification=TWglf92DKDhehOKi9ppUt0Q6YNl9e_RYLNaqOVNcD2w
  • facebook-domain-verification=70ntfqa8ehohw69p2jwzjx5ddalr8s
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