checkbox.ai

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
checkbox.ai
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 12:14:37 UTC · ↺ Refresh

MX Hostnames

  • checkbox-ai.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 198.202.211.1

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns-197.awsdns-24.com
ns-820.awsdns-38.net
ns-1198.awsdns-21.org
ns-1660.awsdns-15.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:4351004.spf07.hubspotemail.net include:mktomail.com include:_spf.salesforce.com include:sendgrid.net ip4:149.72.251.202 ip4:149.72.63.221 ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

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

DKIM Selectors

✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

9 records
  • atlassian-domain-verification=alxHpyi+Ff/SIgJXtIrYOoaNRpo/7WOs2sWQhu+EydU44tvIKjQkv4GyfJuqHtid
  • google-site-verification=0sEhAFU3K8YXSnCBLjKgO6KzdVU-QhA1jsRdBz032d8
  • google-site-verification=J1KQoKvKNE8u5ONkp3mz12ZtQSd1vIYGFaYBWDyQEpA
  • google-site-verification=cQrrhSWyxQMwvv3e5BYI9OysQ5vefKTHROjO8W_3f6s
  • google-site-verification=qFGvmrbWHencJAUYyfzyY5wMsYRwr9kn2axtN-Ut9O0
  • proxy-ssl.webflow.com
  • SPFv=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:4351004.spf07.hubspotemail.net include:mktomail.com include:_spf.salesforce.com include:sendgrid.net ip4:149.72.251.202 ip4:149.72.63.221 ~all
  • MS=ms96982018
  • apple-domain-verification=VmrJLuhXGeUSWvjK
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