Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cortex-intelligence.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 11:15:30 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 199.60.103.135
- 199.60.103.35
Mail Server IPs
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 192.178.218.27 ↩ yuiadtq-in-f27.1e100.net
- 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
ns-cloud-b1.googledomains.com cloud-dns-hostmaster.google.com 10 21600 3600 259200 300
Primary NS (mname)
ns-cloud-b1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
10
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-b2.googledomains.com
ns-cloud-b3.googledomains.com
ns-cloud-b4.googledomains.com
ns-cloud-b1.googledomains.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ip4:198.2.186.196 include:amazonses.com include:spf.mandrillapp.com include:8917234.spf05.hubspotemail.net include:mail.zendesk.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];fo=0:1:d:s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
8 records- google-site-verification=rVla790n3BqhtWTTQhkgV-Xl5vCqIq8Or0m6Oh_JY6c
- anthropic-domain-verification-tgyq5r=8OH3iosxJ4RRKrn2NBHe0CIJH
- MS=ms89855695
- google-site-verification=plGnoF_HuT_ZUPP7gd5lK2H9i7kxqKyBRUzFeGn0eB0
- google-site-verification=_ZKu1GtPxMMop6zVVI9szL0BE_VZuh4Sxc42ynr8IZ8
- SPFv=spf1 include:_spf.google.com ip4:198.2.186.196 include:amazonses.com include:spf.mandrillapp.com include:8917234.spf05.hubspotemail.net include:mail.zendesk.com ~all
- mandrill_verify.PfzO9Az2JCY7KN_m-r4qHw
- google-site-verification=Rf9eGeOuMDHodF8EMz7ibfR3S0o-Z9Z3z2qXXyd0VI4
Full email verification for cortex-intelligence.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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