prefixinc.com

Valid Email Server
Domain Lookup › prefixinc.com

Domain Overview

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

Checked via [email protected] · 2026-03-23 07:36:41 UTC · ↺ Refresh

MX Hostnames

  • prefixinc-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 104.26.7.236 (no PTR)
  • 104.26.6.236 (no PTR)
  • 172.67.71.30
  • 2606:4700:20::681a:6ec
  • 2606:4700:20::681a:7ec
  • 2606:4700:20::ac43:471e

Mail Server IPs

  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA chin.ns.cloudflare.com dns.cloudflare.com 2397349013 10000 2400 604800 1800
Primary NS (mname)
chin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397349013
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

chin.ns.cloudflare.com
moura.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.createsend.com include:spf.protection.outlook.com include:mail.zendesk.com include:7307087.spf08.hubspotemail.net include:spf.mandrillapp.com a:mailers.apptoto.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate 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

✗ 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

6 records
  • google-site-verification=yRzdQyI_u4gPlM3ewz4B0HmhSyn-1gry_zMR-M3xQXE
  • SPFv=spf1 include:_spf.createsend.com include:spf.protection.outlook.com include:mail.zendesk.com include:7307087.spf08.hubspotemail.net include:spf.mandrillapp.com a:mailers.apptoto.com ~all
  • google-site-verification=2ySc50eceScyhco4d-dSv1-RONQHoEXcUoTLr8TRwk8
  • google-site-verification=6mvZbV5LUsLtwTICI5OBsWfF-H2ckNsCmKFoDpPH5m4
  • google-site-verification=JUUYJJR0IsxjnGeA3cTkm-nCRR5WfUWkHFLsPR8oOWY
  • google-site-verification=npBx0MT9L2-giVd2JJcieGZuimgl1adb1pjeDnKcwCM
Full email verification for prefixinc.com

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