securitize.io

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
securitize.io
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 07:52:07 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 13.35.93.57 ↩ server-13-35-93-57.jfk50.r.cloudfront.net
  • 13.35.93.59 ↩ server-13-35-93-59.jfk50.r.cloudfront.net
  • 13.35.93.129 ↩ server-13-35-93-129.jfk50.r.cloudfront.net
  • 13.35.93.61 ↩ server-13-35-93-61.jfk50.r.cloudfront.net

Mail Server IPs

  • 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA ns-1151.awsdns-15.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1151.awsdns-15.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1151.awsdns-15.org
ns-138.awsdns-17.com
ns-1771.awsdns-29.co.uk
ns-529.awsdns-02.net

SPF Record

✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com include:spf.mtasv.net include:_spf.createsend.com include:_spf.google.com include:sendgrid.net include:hubspotemail.net include:mail.zendesk.com include:spf1.securitize.io include:spf1.seic.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
google._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

13 records
  • apple-domain-verification=AT1QG9Cm7g8JlETc
  • google-site-verification=JN_ubaP6wCfNOyg1RCJHw5JPJCATlibygNahhrEpYx8
  • notion-domain-verification=e8Yq5ZKk0ypZVEa3SagRnEzlK0hfbWLbvJkMaKY7vQ9
  • openai-domain-verification=dv-UAkRjhnzzUA2gAqhk4HOQJR3
  • qg5q9vq78be8pp3bqqncc0jn2q
  • slack-domain-verification=p84M7LxIrLIDWe4VL2CNrHfMBg8DhqECG4DnuJLF
  • uber-domain-verification=181828e2-a81f-407c-b183-816791446763
  • SPFv=spf1 include:us._netblocks.mimecast.com include:spf.mtasv.net include:_spf.createsend.com include:_spf.google.com include:sendgrid.net include:hubspotemail.net include:mail.zendesk.com include:spf1.securitize.io include:spf1.seic.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 -all
  • 0ed1fe018ae527f782f4d54100be5136f9185b3757
  • MS=ms24037873
  • ZOOM_verify_uLEAo1ZKjnf8BSZUa9YnUQ
  • adobe-idp-site-verification=3e9350ca6fe107862877b304b761b26d2fe2021ced2deffa94c996171b262069
  • amazonses:j8I/EMxGivFBHf5trminYwv68Wb5LqSmvbYl93BO83k=
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