stowebuilder.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-29 17:06:13 UTC · ↺ Refresh

MX Hostnames

  • stowebuilder-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 172.67.172.221 (no PTR)
  • 104.21.30.112 (no PTR)
  • 2606:4700:3032::6815:1e70
  • 2606:4700:3031::ac43:acdd

Mail Server IPs

  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)

SOA Record

Raw SOA elsa.ns.cloudflare.com dns.cloudflare.com 2400193540 10000 2400 604800 1800
Primary NS (mname)
elsa.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400193540
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

elsa.ns.cloudflare.com
nitin.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

✗ 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

3 records
  • _dmarc.stowebuilder.com 3600 IN TXT "v=DMARC1; p=none"
  • google-site-verification=rqf4bLQABSeHFnTKnf8i_WZxRs2r9S78YGzVF8Xj7wQ
  • SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for stowebuilder.com

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