develsystems.com

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

Domain Overview

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

Checked via [email protected] · 2026-09-24 11:50:38 UTC · ↺ Refresh

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MX Hostnames

  • develsystems-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 172.67.169.93 (no PTR)
  • 104.21.79.81 (no PTR)
  • 2606:4700:3033::ac43:a95d
  • 2606:4700:3031::6815:4f51

Mail Server IPs

  • 52.101.60.173 ↩ mail-bn3pr0501cu00105.inbound.protection.outlook.com
  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::4 ↩ mail-bnypr04cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c803::b ↩ mail-bn3pr0301cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA emma.ns.cloudflare.com dns.cloudflare.com 2411470900 10000 2400 604800 1800
Primary NS (mname)
emma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2411470900
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

phil.ns.cloudflare.com
emma.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

9 records
  • _globalsign-domain-verification=oxY-72xJLyc3E1YuSCpHhesrEfxDJ1KWyVJe1tVmQ6
  • dgbkd60pbchv5qdyj6mcdc5t1hpsqhhr
  • globalsign-domain-verification=EB5EC4B83744541B3F370515565DD4C4
  • globalsign-domain-verification=FCD9DB6D455E92FFF6914F83F4B4F63C
  • google-site-verification=twEfklSGYcbefcLsTJkS5Drjhj00JcWBg62wdprChGY
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • 3lklq6r6qkty9jds73wbg68d0sz8654j
  • _globalsign-domain-verification=Uzf9PpLf_I3we3FCb_GI5m5wFNcXJeD6kknbC_fzom
  • _globalsign-domain-verification=lgxJmJGrGLB40k7mwnMw12jU2_xTXAA4e_WnZvY-Zs
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