kayzliu.com

Valid Email Server

Domain Overview

DNS: ✓ just now Checker: ✓ just now
kayzliu.com
Yes
✓ Yes
Mailgun
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-01 21:09:46 UTC · ↺ Refresh

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MX Hostnames

  • mxb.mailgun.org
  • mxa.mailgun.org

MX Priorities

  • mxa.mailgun.org: 10
  • mxb.mailgun.org: 10

A / AAAA Records

  • 185.199.109.153 ↩ cdn-185-199-109-153.github.com
  • 185.199.108.153 ↩ cdn-185-199-108-153.github.com
  • 185.199.110.153 ↩ cdn-185-199-110-153.github.com
  • 185.199.111.153 ↩ cdn-185-199-111-153.github.com
  • 2606:50c0:8002::153 (no PTR)
  • 2606:50c0:8000::153 (no PTR)
  • 2606:50c0:8003::153 (no PTR)
  • 2606:50c0:8001::153 (no PTR)

Mail Server IPs

  • 34.36.182.139 ↩ 139.182.36.34.bc.googleusercontent.com

SOA Record

Raw SOA ns-cloud-a1.googledomains.com cloud-dns-hostmaster.google.com 17 21600 3600 259200 300
Primary NS (mname)
ns-cloud-a1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
17
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s

Nameservers (NS)

ns-cloud-a4.googledomains.com
ns-cloud-a2.googledomains.com
ns-cloud-a3.googledomains.com
ns-cloud-a1.googledomains.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:mailgun.org ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

2 records
  • SPFv=spf1 include:mailgun.org ~all
  • openai-domain-verification=dv-ne68HGlaZ6BNeTVw6RT29CIp
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