kapten-son.com

Valid Email Server

Domain Overview

DNS: ✓ 3d ago Checker: ✓ 3d ago
kapten-son.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-18 10:28:25 UTC · ↺ Refresh

MX Hostnames

  • kaptenson-com01e.mail.protection.outlook.com

MX Priorities

  • kaptenson-com01e.mail.protection.outlook.com: 5

A / AAAA Records

  • 172.66.160.200 (no PTR)
  • 104.20.17.70 (no PTR)
  • 2606:4700:10::ac42:a0c8
  • 2606:4700:10::6814:1146

Mail Server IPs

  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com

SOA Record

Raw SOA gabe.ns.cloudflare.com dns.cloudflare.com 2404251600 10000 2400 604800 1800
Primary NS (mname)
gabe.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404251600
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

gabe.ns.cloudflare.com
wanda.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:spf.mandrillapp.com include:servers.mcsv.net include:spf.mailjet.com include:amazonses.com mx -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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

14 records
  • MS=ms69697656
  • openai-domain-verification=dv-h8jLANf2kMae4PUujsvTj8Q3
  • miro-verification=d48b27a50397b24418b56877af8c8cbd952b43c1
  • amazonses:3Q5iA8xs1NKbC8CI9H5B1gMHGTpuzzFvbxLWxsKUjfA=
  • google-site-verification=UoTt0OtUAvMfhe9dH5dQqpCkpI1iwfK6e_CifZgAPOY
  • airtable-verification=07b306e6b05f8af42d04f1ade67121d1
  • google-site-verification=u04LxeKq3U4r5fCapj1V0h1ihset8IdAmNZE_05CiOo
  • apple-domain-verification=pL7SN2hoiTQToKhE
  • SPFv=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:spf.mandrillapp.com include:servers.mcsv.net include:spf.mailjet.com include:amazonses.com mx -all
  • atlassian-domain-verification=HfK37aODv/xMe3LpXDGpxiuFK6gkXAn+elh9L/hh79xr4u2yCF8VXBO/VoC+DyXd
  • atlassian-domain-verification=J3T3UchSAihNRxZeejowAoXpz3BkUWRTMsX6/a3S2WT9EOUiVb4xz/ZujvUPaIOl
  • google-site-verification=C5S19p7184Hxpa6psPDemUmm45ISGyBasAgNgrC_CaE
  • facebook-domain-verification=xuf5w3n44jzq7q1x09jh1kf305bvxp
  • amazon-business-verification=5b2d90330fee37b3d389f36ab666e051349f704c9b44804c6e7920ca6aca342d
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