cardio.com

Valid Email Server
Domain Lookup › cardio.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cardio.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 08:59:11 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 141.193.213.11 (no PTR)
  • 141.193.213.10 (no PTR)

Mail Server IPs

  • 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
  • 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com

SOA Record

Raw SOA ns10.digicertdns.com dns.digicertdns.com 2009010135 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010135
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns4.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns0.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns1.dnsmadeeasy.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:usb._netblocks.mimecast.com include:_spf.ultipro.com +mx a:smtp.cardio.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; fo=1; aspf=s; adkim=s; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict · DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none

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
  • hxpx34gsljmsmfwlbfjncm2813jnjt5m
  • _vl79m6oq7jskihxd93fzktjyutdosjz
  • t8xnxbyrtzw5q0jk8b1pnjtrkh0jd5ld
  • domain-verification=15aa7bc0-8be1-d841-251e-5bd6f228d379
  • SPFv=spf1 include:usb._netblocks.mimecast.com include:_spf.ultipro.com +mx a:smtp.cardio.com ~all
  • 0z8b459s9vv0xkcn9qkm26j1fhr60r73
  • cisco-ci-domain-verification=785339c571bd4c9dd7b0e9730dc2c2b2aef0ee4649507f9d6d7623c8d6f9848d
  • _3kmxh3txjdqu0ctp8cxh41nzjdp0e71
  • MS=ms39935137
Full email verification for cardio.com

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