skbcos.com

Valid Email Server
Domain Lookup › skbcos.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
skbcos.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 23:20:39 UTC · ↺ Refresh

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MX Hostnames

  • skbcos-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 15.197.167.90 ↩ afa7f374f51cc8991.awsglobalaccelerator.com
  • 3.33.186.135 ↩ afa7f374f51cc8991.awsglobalaccelerator.com

Mail Server IPs

  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns-366.awsdns-45.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-366.awsdns-45.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-366.awsdns-45.com
ns-538.awsdns-03.net
ns-1452.awsdns-53.org
ns-1756.awsdns-27.co.uk

SPF Record

✓ Strict (-all)
v=spf1 ip4:67.137.42.178 include:spf.mtasv.net include:spf.protection.outlook.com include:spf.exclaimer.net include:sendgrid.net include:amazonses.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • SPFv=spf1 ip4:67.137.42.178 include:spf.mtasv.net include:spf.protection.outlook.com include:spf.exclaimer.net include:sendgrid.net include:amazonses.com -all
  • nitro-verification-code=NDI5MTcxMDQ3Mzc4NzUzOTU0Mg==
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