kaishanusa.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kaishanusa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 15:15:11 UTC · ↺ Refresh

MX Hostnames

  • kaishanusa-com.mail.protection.outlook.com

MX Priorities

  • kaishanusa-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 23.185.0.2 (no PTR)
  • 2620:12a:8001::2 (no PTR)
  • 2620:12a:8000::2

Mail Server IPs

  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-08.azure-dns.com azuredns-hostmaster.microsoft.com 2020010101 3600 300 2419200 300
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2020010101
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns1-08.azure-dns.com
ns2-08.azure-dns.net
ns3-08.azure-dns.org
ns4-08.azure-dns.info

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sparkpostmail.com include:mailgun.org include:emsd1.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

4 records
  • google-site-verification=QiYr_MInT3tB2-BZzJN0bKOJIxeIt8YF-8fs7YrztWY
  • SPFv=spf1 include:spf.protection.outlook.com include:sparkpostmail.com include:mailgun.org include:emsd1.com -all
  • rvgaqd5ti38aq66g1pbob77d47
  • linkedin-site-verification=de26d366-d54b-47db-86fd-59430bb22503
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