customrubbercorp.com

Valid Email Server
Domain Lookup › customrubbercorp.com

Domain Overview

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

Checked via [email protected] · 2026-03-21 20:17:54 UTC · ↺ Refresh

MX Hostnames

  • customrubbercorp-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 192.124.249.87 ↩ cloudproxy10087.sucuri.net

Mail Server IPs

  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA nico.ns.cloudflare.com dns.cloudflare.com 2399035780 10000 2400 604800 1800
Primary NS (mname)
nico.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399035780
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

nico.ns.cloudflare.com
walk.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 237 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

6 records
  • google-site-verification=2J3yCYfQ0EVG5vLnKcOMvWbu5NskcKxAAZ6E6tTVgwQ
  • google-site-verification=YPmnusrjrwKIvW6kE_rLrSMTuurO0OzuhVi8CEN4f_g
  • SPFv=spf1 include:spf.protection.outlook.com ~all
  • 1t7k5b08s48y2hz9j6pkxr3gsvz965qt
  • MS=ms29681596
  • _bmcey7ppeioc0mbatiideqdbaaabowy
Full email verification for customrubbercorp.com

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