castellum.ai

Valid Email Server
Live data โ€” DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: โšก live Checker: โšก live
castellum.ai
Yes
โœ“ Yes
Google
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-05-21 20:31:56 UTC ยท โ†บ Refresh

MX Hostnames

  • aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt2.aspmx.l.google.com

MX Priorities

No priority data.

A / AAAA Records

  • 198.185.159.145
  • 198.49.23.145
  • 198.185.159.144
  • 198.49.23.144

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns1.digitalocean.com
ns3.digitalocean.com
ns2.digitalocean.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:_spf.google.com include:6812765.spf04.hubspotemail.net ~all
๐Ÿ“Š DNS lookups: 2/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected]; pct=100; adkim=s; aspf=s
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Strict ยท DKIM alignment: Strict
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 1 found
google._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: google

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

All TXT Records

3 records
  • SPFv=spf1 include:_spf.google.com include:6812765.spf04.hubspotemail.net ~all
  • atlassian-domain-verification=TNOznFfKYYIJC5bAJqYN67dpfrPV1b318pQq2BLVyCGo4P4HOkYTo9Y9BunBvZJe
  • google-site-verification=86qhYxFfWW0OOu65QyEfZyPmoKFv2pbzgMgFqvjZKpI
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