createspace.com

Valid Email Server
Domain Lookup › createspace.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
createspace.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 09:43:08 UTC · ↺ Refresh

MX Hostnames

  • amazon-smtp.amazon.com

MX Priorities

  • amazon-smtp.amazon.com: 10

A / AAAA Records

  • 44.215.135.28 ↩ ec2-44-215-135-28.compute-1.amazonaws.com
  • 44.215.140.241 ↩ ec2-44-215-140-241.compute-1.amazonaws.com
  • 44.215.134.235 ↩ ec2-44-215-134-235.compute-1.amazonaws.com

Mail Server IPs

  • 44.231.24.41 ↩ smtp03.us-west-2.mail-perimeter.amazon.com

SOA Record

Raw SOA dns-external-master.amazon.com root.amazon.com 2010022698 600 300 604800 900
Primary NS (mname)
dns-external-master.amazon.com
Admin Email (rname)
root@amazon.com
Serial
2010022698
Refresh
600s
Retry
300s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

ns2.amzndns.net
ns2.amzndns.org
ns1.amzndns.co.uk
ns1.amzndns.com
ns1.amzndns.net
ns1.amzndns.org
ns2.amzndns.co.uk
ns2.amzndns.com

SPF Record

✓ Strict (-all)
v=spf1 include:amazon.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

11 records
  • MS=ms70280809
  • SPFv=spf1 include:amazon.com -all
  • spf2.0/pra include:amazon.com -all
  • docker-verification=cda3255c-566d-41a3-9f4d-4b569eb5c158
  • google-site-verification=8RlEiBSDke_93MCF9cb7zb-p7-gXlj3eqFXnN-QSQ1Y
  • google-site-verification=ybhBPF34LeQ2WZQ5qa_5gqkUzvCzL4yQ8EBg66OQTlw
  • adobe-idp-site-verification=b6bcd3e5aaffc63607c8bf75744d9a0d1febc50dd7f389428e2ae476c9ba8814
  • cisco-ci-domain-verification=30386bb96b9363c94af7ccd9421806d67f2d9343e5d0487371b5371d70d79bea
  • atlassian-domain-verification=ZT4AapXgobCpXIWoNcd7gtMjZyOUdr4EDFMnFUWrqqqgdaQVbDvoGpRaIwj/tgPH
  • TS1760027
  • MS=ms68074457
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