startupproduction.com

Valid Email Server
Domain Lookup › startupproduction.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
startupproduction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 08:17:06 UTC · ↺ Refresh

MX Hostnames

  • startupproduction-com.mail.protection.outlook.com

MX Priorities

  • startupproduction-com.mail.protection.outlook.com: 1

A / AAAA Records

  • 45.79.150.146 ↩ mail.webservers.us
  • 2600:3c03::f03c:95ff:fee5:29f2 ↩ webservers.us

Mail Server IPs

  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.linode.com domains.cssi.us 2021000016 14400 14400 1209600 86400
Primary NS (mname)
ns1.linode.com
Admin Email (rname)
domains@cssi.us
Serial
2021000016
Refresh
14400s
Retry
14400s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns4.linode.com
ns2.linode.com
ns3.linode.com
ns1.linode.com
ns5.linode.com

SPF Record

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

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=RVgtGNFixHmJy0Aw1-pCM72zlqxzucM01VetIRKIQ7Y
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