stubs.net

Valid Email Server

Domain Overview

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

Checked via [email protected] ยท 2026-03-21 15:50:01 UTC ยท โ†บ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 52.162.107.35 (no PTR)

Mail Server IPs

  • 52.101.194.3 โ†ฉ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 52.101.10.16 โ†ฉ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 52.101.11.2 โ†ฉ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 52.101.50.10 โ†ฉ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 โ†ฉ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: โ†ฉ mail-mw2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 โ†ฉ mail-sj2pr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 โ†ฉ mail-sn1pr0501cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-05.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 1209600 300
Primary NS (mname)
ns1-05.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns1-05.azure-dns.com
ns2-05.azure-dns.net
ns3-05.azure-dns.org
ns4-05.azure-dns.info

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:amazonses.com -all
๐Ÿ“Š DNS lookups: 2/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1;p=none;rua=mailto:[email protected];aspf=r
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
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=qitA6QsSCHWTxkm9eaNoa-fxaNwZ4pEmvJb1fBpBDfk
  • google-site-verification=nx1jjZa13yvwwU4V--fLiTdj0r5utZzjxPn3n82ZF3E
  • DEE60FCE59CFAA4E3C460CE73319445E4D1F4273AD2656394547FB3EBF176E4A
  • SPFv=spf1 include:spf.protection.outlook.com include:amazonses.com -all
  • MS=ms34371556
  • hubspot-developer-verification=ZWQ1NDJkMjgtMDc3Ni00ZTliLWJmZmQtZDI0ZDUzZDZkMjlh
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