cardknox.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
cardknox.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 23:36:38 UTC · ↺ Refresh

MX Hostnames

  • cardknox-com.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 104.196.241.1

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns-1316.awsdns-36.org
ns-1776.awsdns-30.co.uk
ns-39.awsdns-04.com
ns-976.awsdns-58.net

SPF Record

✓ Strict (-all)
v=spf1 include:sendgrid.net include:amazonses.com include:stspg-customer.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; sp=none; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

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

All TXT Records

15 records
  • google-site-verification=0A0F_25B_39R1IQ56ww1bu2WnAdvYtJTA2riAApNky0
  • sending_domain1055213=a8164dfede7cf8231c75eb77efe20e85ee3bd22fbe2f8364694d0058221f5075
  • bw=IIVKqReUIyiecUKu7QRZzKkEEMC53XGa4ILlCUBpvhOc
  • google-site-verification=8wyRvcBL-x3meOJznAOgm4bzKE61m1qJqMWXT7i5LNg
  • atlassian-domain-verification=DJehRuZX90kxfdCBGWpBRin3OU6LPabwejLl8n5Es9OqaJ0ha6AovknlQaKNyrsm
  • pardot683013=d447a79f131bd61debc9304ebc2e1ecd5871566b803048207562154508835ee8
  • MS=ms48524942
  • atlassian-sending-domain-verification=4750affe-f401-4c94-a2cf-561e501833a3
  • ZOOM_verify_OsewiJQFsJPM3b4M1HIwnL
  • google-site-verification=i_7FP14nIG_2SWCj2FlmTdoQr5apu6Re6k2Lu1MjRTM
  • sending_domain683013=cf2be8262b27358a393c05087608369e6c38486391fc815f7e3dfda103e99f43
  • SPFv=spf1 include:sendgrid.net include:amazonses.com include:stspg-customer.com include:spf.protection.outlook.com -all
  • apple-domain-verification=zzIm6NHYl1eWPETV
  • oL62DoWeyidqi2WItCsoZ1dYTj4PL+Ag9DtDs5GR2WVgR17rvVEiuAfcavk7HqDHkzs0d777TOPTdJXzlM5QEw==
  • status-page-domain-verification=4m5t7wy81vh3
Full email verification for cardknox.com

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