koa.net

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
koa.net
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-26 12:14:40 UTC ยท โ†บ Refresh

MX Hostnames

  • koa-net.mail.protection.outlook.com

MX Priorities

  • koa-net.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.160.155 (no PTR)
  • 104.21.14.218 (no PTR)
  • 2606:4700:3036::6815:eda
  • 2606:4700:3033::ac43:a09b

Mail Server IPs

  • 52.101.9.14 โ†ฉ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.50.4 โ†ฉ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 52.101.194.19 โ†ฉ mail-ch5pr02cu00303.inbound.protection.outlook.com
  • 52.101.11.15 โ†ฉ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 2a01:111:f403:f90d:: โ†ฉ mail-sn1pr0501cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 โ†ฉ mail-sj0pr03cu01602.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 โ†ฉ mail-sj0pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: โ†ฉ mail-byapr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA anton.ns.cloudflare.com dns.cloudflare.com 2398839721 10000 2400 604800 1800
Primary NS (mname)
anton.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398839721
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

heather.ns.cloudflare.com
anton.ns.cloudflare.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:_s01029400.autospf.email ~all
๐Ÿ“Š DNS lookups: 1/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ“ Reject
v=DMARC1;p=reject;pct=50;rua=mailto:[email protected];ri=86400;fo=1;
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โš  Policy applies to 50% of failing messages only

DKIM Selectors

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

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

All TXT Records

6 records
  • google-site-verification=7n-LchIoVzj628G9DAHXv464bnrRt2C71JB6gssxWjo
  • linkedin-site-verification=7dd1bf13-89e1-4ec7-9c59-1cae41140b42
  • SPFv=spf1 include:_s01029400.autospf.email ~all
  • Dynatrace-site-verification=7d584bb9-5429-4e83-80ba-7a050980e3f7__s3ljur0v73id4tsjrl0i5roulm
  • MS=3AD210C4E63E4291ACFE8A6CD657D3DE7D6A125F
  • apple-domain-verification=XZxPyJh6XeLnYxNi
Full email verification for koa.net

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