sentrycs.com

Valid Email Server
Domain Lookup › sentrycs.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
sentrycs.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 14:23:08 UTC · ↺ Refresh

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MX Hostnames

  • sentrycs-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 57.129.144.46 ↩ rs6-lon.serverhostgroup.com

Mail Server IPs

  • 52.101.103.39 ↩ mail-miypr05cu00207.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.209.153 ↩ mail-cpjpr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::8 ↩ mail-matpr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::28 ↩ mail-am6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns53.domaincontrol.com dns.jomax.net 2026072200 28800 7200 604800 600
Primary NS (mname)
ns53.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026072200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns53.domaincontrol.com
ns54.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spfa.cpmails.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; ruf=mailto:[email protected]; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

11 records
  • include:26475333.spf01.hubspotemail.net
  • cursor-domain-verification-b8v7fp=BLYM7tAiog5GQ9bxqtlDnCdba
  • atlassian-sending-domain-verification=c55c0ff3-bbc1-4536-bedc-3b0caddb8794
  • apple-domain-verification=1mm5CDrUyNjQyXqA
  • j0r9as8hsfea04ng67hg52m3uf
  • google-site-verification=FoLkpOfVfZnWrMHIAQRH52eNEeOXOeMXvOUaUXy-Jys
  • google-site-verification=_OW4ezJQcFX1sG_UrpK5Ug8OMTY0IPHjMXPiyeFwbrE
  • google-site-verification=fB2D0S0YAqORdS6gOv3DwdF3P0f6MY52jhaAQaHEJvI
  • SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spfa.cpmails.com -all
  • atlassian-domain-verification=FqPc9bSqfaPny02uraxYYhRTLquZRqWGuRlByF6Aa2LwJ0mpY7utxTnDc6dDaSIB
  • t93btcou58ma43495e5rjbjvpg
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